Clinical Chemistry Numericals Practice Test 2026 – Comprehensive Exam Prep

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Which statement best describes Wilson's disease in terms of copper metabolism and ceruloplasmin?
What is the recommended fasting duration before a 2-hour OGTT?
Which chemical inhibitor is specific for the Bone isoenzyme?
The F-test is considered significant if the ratio exceeds which threshold?
Which diagnostic test is used for ADH deficiency?
Which type of bond predominates in the secondary structure of proteins?
Which marker measures very short glycemic control over about 1-2 weeks?
Which test is used as a confirmatory test for adrenal insufficiency?
Which medication can cause hyperkalemia by decreasing renal potassium excretion?
Mercury exposure is classically associated with Pink disease.
What is the rapid screening method for trace elements?
Delta bilirubin with black granules (lipofuscin) is characteristic of which disorder?
A CEA value greater than what threshold is typically associated with malignancy?
Initial control limits are established by analyzing controls over how many consecutive days?
Which of the following is a mineral electrolyte commonly measured in clinical chemistry?
Polyclonal gammopathy with large elevation in gamma and beta-gamma bridging due to IgA is most characteristic of which condition?
The photomultiplier tube (PMT) amplifies light by approximately how many times?
Which lipoprotein is the most atherogenic?
In Beer's Law A = a b c, which statement is correct?
Verapamil belongs to which class of antiarrhythmic drugs?
Which MS technique is commonly employed for IEM screening?
Which analytical technique involves fragmentation and ionization of molecules for analysis?
For compliant diabetes patients, HbA1c should be tested how often?
Which of the following is NOT a Dye Lake dye?
Hypermagnesemia can result from which condition?
Which tumor increases both AFP and hCG?
Hypernatremia associated with urine osmolality less than 300 mOsm/kg is most consistent with which condition?
Which single enzyme is commonly used as a marker of hepatic injury?
In tetany due to hypocalcemia, the calcium level is typically which of the following?
Which coenzyme is required for AST and ALT transaminase reactions?
Dry excess anticoagulant effect leads to which change?
Which cell type of the anterior pituitary gland secretes prolactin?
In a Lineweaver–Burk plot, a non-competitive inhibitor shows which change in Vmax and Km?
What is the method used for sweat chloride testing?
Which two hormones are produced by the adrenal medulla?
Which enzyme is used in the enzymatic ammonia assay?
Which hypothalamic releasing hormone stimulates the release of ACTH from the anterior pituitary?
In the presence of a competitive inhibitor, adding substrate will?
What is the ferritin reference range for healthy adult men?
In hemolytic anemia (HA), how are G6PD and PK levels affected?
What is the normal reference range for total protein in serum?
The indirect pathway of HDL cholesterol return to the liver involves CETP-mediated exchange. Which option best describes this pathway?
Which urinary metabolite is the end product of metabolism for both epinephrine and norepinephrine?
Which of the following best describes the two items given in the notes?
What is the primary action of atrial natriuretic peptide on sodium?
In the 3 diazo reagents setup, what is Diazo A composition?
Pipets by Design differentiate contain vs deliver. Which term corresponds to contain?
Which condition involves tissue damage due to iron overload?
Triose phosphate isomerase is categorized under which enzyme class?
Which thyroid cells produce T3 and T4?
In the Berthelot method for ammonia determination, which color is produced that is detected colorimetrically?
Which androgen is considered the most biologically active?
Which pair best describes electromagnetic radiation?
Which is the most potent estrogen?
Rochelle's salt is another name for which compound?
What percent of T4 is bound to albumin in circulation?
Which mnemonic is associated with the random error concept?
What is the bone crystal name in mineralized bone?
Which enzyme reduces oxaloacetate to malate using NADH in the pathway?
Which of the following are indications for capillary puncture?
The expression for osmotic concentration relative to a reference is called?
Which test is used as a screening test for primary adrenal insufficiency?
Which element has an atomic weight approximately 36?
Which of the following is a B1 hepatic disease?
In ethanol impairment, what is the second stage?
Which pressure primarily governs water movement between body compartments?
What is the absorbance maximum for the Evelyn-Malloy method?
Which chart can only detect systematic error?
Pompe disease is caused by deficiency of which enzyme?
Which technique is the gold standard for drug testing?
The most abundant lipids class, according to the material, is which?
Atomic absorption spectroscopy (AAS) features which of the following?
Which light source covers the spectrum from ultraviolet to visible?
A BUN-to-creatinine ratio greater than 20:1 with an elevated creatinine level is most consistent with which type of azotemia?
In the Biuret assay for proteins, how many peptide bonds are required for a positive reaction?
Plasma ACTH levels in ACTH-dependent Cushing syndrome are typically:
ApoA2 main distribution and function?
What instrument converts electrophoretic separation into quantitative data?
In the phosphate colorimetric assay, the reduced phosphomolybdate yields which color?
What is the critical pH range listed in the blood gas critical values?
Each 1% increase in HbA1c corresponds to an approximate rise in plasma glucose of how many mg/dL?
In euthyroid sick syndrome, which hormone is elevated?
In an air displacement micropipettor, the tip is typically used with which piston configuration?
In gross hemolysis, which enzyme activity is most affected?
RAUI measures thyroidal uptake of iodine after an oral dose of which isotope?
Which biomarker serves as an early predictor of acute kidney injury?
Surface immersion calibration applies to which equipment?
Level of triglycerides that causes pancreatitis?
Reye's syndrome is characterized by a threefold increase in which markers?
What is the normal anion gap range when potassium is included?
ApoB100 main distribution and function?
Which photodetector is noted for excellent linearity?
Which hormone is highest in the morning due to diurnal variation?
Hyperglycemic hyperosmolar nonketotic coma is most commonly associated with which type of diabetes?
Which lipoprotein is categorized as beta-lipoprotein?
Which two vessels supply the liver?
Acid phosphatase (ACP) often has optimal activity at pH approximately:
What is the approximate half-life of cocaine?
Which lipoprotein has protein greater than cholesterol as its major component?
In separation techniques, electrophoresis separates primarily by which property?
The dilution factor D is defined as
The measurement of 1,5-anhydroglucitol is reported in which unit?
What is the most common cause of thyroid disease?
For a pH electrode, which is a valid option for the reference electrode tip?
Type 2 diabetes mellitus is non-insulin dependent diabetes mellitus (NIDDM).
What is the normal osmolal gap range?
In the Reinsch test, which color indicates arsenic?
Glycogen stores are depleted within approximately how long during fasting?
What is the FT3 reference range for females?
Ostwald Folin transfer pipets are described as having which characteristic?
What are the products of the initial reaction when beta-D-glucose is oxidized by glucose oxidase?
Which technique is more sensitive than fluorometry?
In freezing point osmometers, the sample is typically cooled to approximately what temperature?
Which of the following is NOT listed as a use of fluorometers in the source material?
Which cell type secretes LH and FSH?
Which pattern on electrophoresis indicates an acute inflammation/ Immediate response pattern?
Which term describes 'Any test on any sample at any sequence' in automation?
Which of the following is an example of a TC pipette?
Which analytes are falsely elevated in ECO anticoagulants?
Prostaglandins are derived from which parent molecule?
What is the pH of the reaction in the Evelyn-Malloy method?
Not prone to false negatives is best described as which analytical property?
Gestational diabetes mellitus may convert to type 2 diabetes in 30–40% of cases within 10 years.
Which of the following is used in the evaluation of pheochromocytoma?
Which enzyme is required to break down the muscle relaxants succinylcholine and mivacurium?
Growth hormone (GH) has which metabolic effects?
Absorbance formula as given?
What is the principle behind most glucose point-of-care tests?
Aluminosilicate glass is approximately how many times stronger than borosilicate glass?
Which hormones are commonly tested in infertility workup?
Which parameter represents constant systematic error?
Which protein is NOT typically part of the alpha-2 globulin band in serum electrophoresis?
How are air bubbles prevented during sample collection?
What is a synonym for analytical sensitivity?
What is the critical range for pCO2 in arterial blood gas values?
For every degree Celsius increase, the reaction rate approximately doubles? (temperature rule)
What is the reference method for measuring non-protein nitrogen (NPN) in clinical chemistry?
Which accelerator is used in the Jendrassik Groff method?
Deficiency of alpha-1 antitrypsin is associated with mutation in which gene?
What is the main difference between horizontal and fixed-angle centrifuge rotors?
In the AST assay employing MDH, what is the reaction product?
In normal serum, what percentage of calcium is ionized?
In hyperglycemia, the measured serum sodium concentration decreases by approximately how much for every 100 mg/dL increase in plasma glucose?
Which method is used to separate bound T4 from its carrier?
Enzymes with the same catalytic activity but different structures are called what?
Which of the following is NOT listed as one of the two most common interferences in hexokinase glucose measurement?
What is the formula for percent transferrin saturation?
Under alkaline conditions, which is the primary drug transport protein?
A Poor SDI (Sigma Deviation Index) is indicated when SDI value exceeds what threshold?
Which of the following is a Dye Lake dye?
Which Fredrickson Type corresponds to Familial Dysbetalipoproteinemia (IDL, B-VLDL)?
Which term describes the process of verifying an initial result?
What term describes the drug concentration range between the minimum effective concentration and the minimum toxic concentration?
Which drug is commonly used to treat petit-mal (absence) seizures?
Which hormone initially increases calcium and phosphate release after bone resorption and then excretes phosphate?
Which reagent is used to differentiate LD isoenzymes on gels?
Which of the following is a DOWNTIME waste?
B-VLDL is seen in which hyperlipoproteinemia?
In spectrophotometers, which dispersive element provides linear wavelength dispersion?
In glucose measurement using glucose dehydrogenase, which cofactor is detected?
What are the reference ranges for AST and ALT?
In a thyroid follicle, where are the follicular cells located relative to the colloid?
Thyrotoxicosis is associated with exposure to which trace element?
Which electrophoresis pattern corresponds to chronic infection with a delayed response?
Which antibody is most characteristic of Graves disease?
Which specimen is appropriate for measuring inorganic phosphate given diurnal variation?
Which type of error affects precision?
Which pair of reagents corresponds to the two calcium precipitation techniques?
Which is an acute complication of Type 1 diabetes mellitus?
Methotrexate is an antineoplastic agent that destroys thymine.
Which mediator is produced by the liver and mediates the action of growth hormone?
Mature alpha-HDL returns cholesterol to the liver via two pathways. Which statement correctly describes these pathways?
Which precaution should be avoided prior to collecting a sample for ammonia measurement?
What does PAGE stand for in electrophoresis terminology?
Measured osmolality minus calculated osmolality is called what?
TC pipets are calibrated with which substance?
What is the reference range for T3U?
A noticeable error in indirect LDL estimation occurs when TAG exceeds what value?
Which parameter represents proportional systematic error?
What is the relationship between Thyroid Hormone Binding Ratio and Thyroxine-Binding Globulin?
Which item is NOT listed as an important component of a fluorometer?
Equivalent weight is calculated as
In spill cleanup, what is the first step?
After refrigeration, which LD isoenzymes remain active?
Which apolipoprotein serves as the remnant receptor ligand recognizing chylomicron and VLDL remnants for hepatic uptake?
Which molecule is an organic coenzyme?
What type of feedback regulates oxytocin release during labor?
What is the product formed in the Fiske Subbarow phosphate assay?
What term describes a uniform mixture of solute and solvent?
In the synthesis of thyroid hormones, which component is produced first?
Enzyme inactivation tends to occur at which temperature range?
What are the two broad categories of ammonia determination methods described?
Extra bands in plasma and hemolyzed serum during electrophoresis and their locations?
Abetalipoproteinemia is caused by a mutation in which gene and results in absence of B-100 and B-48?
Which apolipoprotein has main distribution in chylomicrons, VLDL, and HDL and functions as a structural component?
Increasing frequency of outliers in a data set is most closely associated with which statistical concept?
In the simplified quality scheme, CQI primarily focuses on which activity?
ACTH has which metabolic effects?
Hyponatremia due to vomiting and diarrhea is due to which mechanism?
Which analyte increases when serum or plasma is stored at 4°C?
Which of the following is NOT a sedative/hypnotic/CNS depressant listed?
In the Oliver-Rosalki CK determination method, which reaction uses hexokinase and G6PD along with CK?
Which BAC range corresponds to stupor?
What is the most common source of loss of linearity in a spectrophotometer?
Which expression correctly calculates osmolality from measured sodium, glucose, and BUN?
In Henderson-Hasselbalch relation for bicarbonate buffering, pH equals pKa plus log of which ratio?
The F-test ratio is defined as the ratio of which quantities?
Which proliferation signal inhibitor inhibits dihydroorotate dehydrogenase?
A flipped LD1/LD2 ratio occurs in which scenario?
Which molecule is formed when glucose is phosphorylated in the first step of glycolysis?
Which protein is also known as orosomucoid?
Which of the following is NOT one of the three basic separation techniques?
Which molecule acts as the acetyl donor entering the Krebs cycle?
Clark-Collip oxalic acid precipitation is used to precipitate calcium with which reagent?
Neonatal Hyperbilirubinemia is due to which condition?
Which of the following are secondary markers for obstructive jaundice?
Type 1b is Fulminant Type 1 Diabetes, characterized by no autoantibodies.
Which condition is described as a hyponatremia cause associated with hypoaldosteronism?
In electrophoresis, what term describes the movement of buffer ions and solvents within the support material?
In the colorimetric chemical method, LB yields which color product?
Which formula defines Positive Predictive Value?
Which of the following is a cause of a high osmolal gap?
Which substance is a classic unmeasured anion contributing to high anion gap metabolic acidosis?
Secondary hypergonadism is most commonly due to what?
Which of the following is an example of a proliferation signal inhibitor?
CK-MV is less than 6% and is associated with which CK isoenzyme?
What is the reference range for fructosamine in umol/L?
Which group of elements has approximate atomic weights of 10, 12, 14, 16, and 18?
In normal serum, which LD isoenzyme predominates?
Macro-CK or IgG-bound CK1 is associated with an apparent increase in which CK isoenzyme?
In primary hyperaldosteronism, a plasma aldosterone to plasma renin ratio diagnostic threshold is greater than what value?
Which option represents measures of central tendency?
Which hypothalamic releasing hormone stimulates growth hormone release from the anterior pituitary?
For TCO2 measurement, which method alkalinizes all CO2 to bicarbonate for measurement?
How many types of thermometers are listed?
What is the alternative for BUN enzymatic tests as sodium fluoride inhibits urease?
Which enzyme pattern is associated with hepatobiliary (cholestatic) injury?
A monoclonal gammopathy curve on electrophoresis most strongly suggests which disease?
Which detector is commonly used in GC/HPLC?
Which enzyme is the best marker for alcoholism?
The venous anion gap typically falls within which range?
Panic values for pH are at which level(s)?
Antiglycolytic agents prevent the decrease of which metabolite?
Which analyte is commonly protected from light during storage or handling?
Type I and Type II water are used as which type of water in CLSI terms?
Kinase enzymes belong to which category?
Which statement best describes the diagnostic criterion for insulinoma/endogenous hyperinsulinism after fasting?
Which vitamin is known to interfere with some immunoassays when taken in excess?
Which hormones are said to perform gluconeogenesis and glycogenolysis?
Which drugs contribute to hyperkalemia by inhibiting uptake by the heart via Na+/K+ ATPase?
What is the major CK isoenzyme in skeletal muscle, constituting about 94-100%?
Which statement correctly describes lactic acidosis types?
Which enzyme catalyzes the initial carboxylation of phosphoenolpyruvate with bicarbonate to form oxaloacetate in the described pathway?
In the copper reduction methods, what is the initial product formed when glucose reduces copper sulfate?
Which is a continuum light source?
Severe burns are listed as a hyponatremia cause via which mechanism?
Calibration should be performed every 6-12 months.
In females, FSH primarily stimulates which processes?
Which test provides an indirect measure of thyroxine-binding globulin (TBG)?
Which protein is associated with obesity as a marker in the material?
Chemical storage should be organized according to which criterion?
Which lyase is clinically significant?
Which item is included in RECSQ analytical elements?
What percentage of serum calcium is protein-bound?
Gradual loss of albumin is most associated with which condition?
Direct spectrophotometry of total bilirubin is measured at which wavelength?
What bilirubin level constitutes a panic value for kernicterus?
Which of the following are two actions of human placental lactogen (hPL)?
Busulfan belongs to which class of chemotherapeutic agents?
Which statement correctly defines Positive Predictive Value?
Which equation correctly estimates TIBC in ug/dL from transferrin measured in mg/dL?
A negative difference is described as which directional shift?
Which analyte is commonly preserved by chilling the sample immediately after collection?
Which of the following is NOT a hallucinogen?
Normal BUN-to-creatinine ratio but with elevated BUN and creatinine suggests which state?
Which statement correctly defines Negative Predictive Value?
A monoclonal gammopathy curve on electrophoresis is characteristic of which disease?
Which of the following is a ketose?
How long should plasma and cells be separated after collection to minimize glycolysis effects?
For individuals aged 20-29, what is the High Risk cut-off for total cholesterol?
Which equation expresses absorbance in terms of percent transmittance?
In colligative property measurements, the freezing point changes by approximately how many degrees Celsius per osmole increase of solute?
pH of maximum activity for most enzymes is typically around:
Which trace element is classically associated with a garlic odor in poisoning cases?
Which method is used to separate and quantify catecholamine metabolites such as HVA and VMA in urine?
Which adrenal cortex zone primarily secretes cortisol?
If pseudocholinesterase is absent, what condition is expected?
In assay terminology, what describes the Endpoint measurement?
Which protein increases up to ten-fold in nephrotic syndrome?
What is the silicate concentration for Type 1 reagent water?
Decreased albumin with increased a1 and a2 is most associated with which condition according to the material?
Threshold limit value is the allowable exposure for an employee during an __ hour day.
What is the DPMO (defects per million opportunities) for Six Sigma?
Slight elevation of LD corresponds to which ULN range?
After precipitation or color method, which chelating agent is commonly used to separate calcium from dyes and reach endpoint color?
A routine lipid profile consists of which four components?
What is the standard formula for percent transmittance in spectrophotometry?
Which method is used as a reference method for HbA1c analysis in clinical labs?
Bronze diabetes is associated with which condition?
What is the formula for retention factor in chromatography?
What is the normal serum osmolality range (in mOsm/kg)?
A flat gamma curve on serum protein electrophoresis is most closely associated with which condition?
Which equation represents Planck's formula relating energy to frequency?
In the perfect correlation principle, what is the slope?
What is the typical fixed-angle range used in fixed-angle centrifuges?
Is cholesterol an energy source?
Normal BUN-to-creatinine ratio is typically within which range?
Which method uses UV-spectrophotometry for transaminase determination?
In drug transport, which protein predominantly binds drugs under acidic conditions?
To convert percent w/v to molarity for a substance with molecular weight MW, which formula gives M?
In polarographic glucose oxidase assay, to prevent reformation of oxygen from hydrogen peroxide, which substances are added?
Which pairing correctly matches an acid-base disorder with its major cause and compensation?
Which method is used for phosphate determination as described?
What is the most common cause of hypophosphatemia?
Pronounced elevation is defined as how many times ULN?
Which complication is primarily associated with type 1 diabetes?
Which electrolytes are involved in blood coagulation?
In Step 1 of the two-step GDM screening, what 1-hour plasma glucose threshold prompts proceeding to Step 2?
In enzymatic creatinine determination, the initial reaction with creatininase produces which compound?
Which conditions can cause high plasma osmolality, contributing to hypernatremia?
Kasahara isoenzyme is associated with which cancer?
What is the NCEP target for total cholesterol (TC) in mg/dL?
Which set of reagents correctly lists all reagents used in the Biuret method?
In alkaline electrophoresis, proteins migrate toward which electrode?
In automation, what does discrete mean?
In the 'Countercurrent' concept for chloride, which ion is listed?
Fructosamine is contraindicated in which condition?
All approaches to automation are capable of which function?
Which hormone is produced by the pineal gland?
Which condition is a known stimulant of growth hormone secretion?
Conjugated proteins are composed of an apoprotein and what non-protein component?
The abbreviation VMA refers to which compound?
Tartrate inhibits which ACP source?
Laboratory error described as increasing sodium and potassium while decreasing chloride and bicarbonate would cause which effect on the calculated anion gap?
Which statement correctly describes the structural difference between T3 and reverse T3?
The two toxic effects associated with Aminoglycosides and Vancomycin are:
The GLDH-coupled method for ammonia determination uses which cofactor with glutamate?
In the measurement of Total Iron Binding Capacity (TIBC), what is the purpose of saturating transferrin with ferric iron?
Which condition commonly causes secondary hyperparathyroidism?
Which odor is characteristic of cyanide exposure?
Jaundice is typically clinically apparent when bilirubin reaches what range?
Which set represents the three categories of psychoactive drugs/antidepressants listed?
Which of the following is an aldose?
The syringe plunger contains trace elements due to the material; which elements are present?
Major substrate precursor of adrenal cortex hormones?
Which enzyme is a transferase used as a marker for liver disease?
What is the rpm for a horizontal head (swinging-bucket) centrifuge?
Which protein is an acute-phase reactant?
Which biomarker is commonly used to predict prognosis in AKI and is listed as an early predictor?
In the Reitman Frankel transaminase assay, which reagent is used to form hydrazones?
It is the number of particles a molecule dissociates into when dissolved in a solvent.
If fertilization occurs, which hormone helps maintain the corpus luteum?
Which criterion is used to stage acute kidney injury?
Electrophoresis is affected by which factors?
A positive difference corresponds to which directional shift?
Conn's syndrome is another name for which disorder?
What is the free fraction percentage of T3 in plasma?
When pH is not directly measured, which method is commonly used to estimate pH in buffer systems?
Myoglobin is a negative predictor of acute myocardial infarction within how many hours?
Which statement best defines pharmacokinetics?
The parameter associated with the cytocentrifuge in the notes is measured in which unit?
For every 100 mg/dL increase in glucose, how many mmol/L of sodium decrease?
What is the chief female androgen?
Which of the following is NOT a proliferation signal inhibitor?
Renal tubular acidosis affects chloride by causing:
Marker for bone resorption
Uric acid deposition in tissues occurs when serum uric acid exceeds which threshold in mg/dL?
For photosensitive materials, which glass type is used?
In LDL homogeneous assay, which two reagents are used and what are their roles?
With a 1°C rise, pCO2 changes by which percent?
What is a urinary metabolite of progesterone?
How many times should all tubes be inverted in general?
Which cell type secretes growth hormone?
Which buffer is considered the principal buffer of intracellular fluids?
Which liver macrophages are part of the reticuloendothelial system?
Which cell type is listed among liver tissue components as a non-parenchymal cell involved in extracellular matrix production?
Which of the following is a planar chromatography method?
In this material, the F-test is defined as the ratio of which two statistics?
Which MS technique is typically used for drug analysis?
What is the absorbance maximum for the Jendrassik Groff method?
Which plastic is autoclavable primarily for chemical resistance?
Which substrate is characteristic for alkaline phosphatase (ALP) in luminescent assays?
In malnutrition indicators, transthyretin is used as a marker for which condition?
Which type corresponds to Familial Dysbetalipoproteinemia?
What term describes the total range of wavelengths transmitted between two points?
Which counter type is typically used for beta-emitting isotopes such as H-3 and C-14?
Which signaling mechanism involves the hormone remaining bound to the adjacent target cell?
Which component is added by a Comprehensive Panel that is not part of the Basic Metabolic Panel?
Which of the following is a correct statement about automatic micropipettors?
What is the conversion factor between International Units (IU) and nano katal (nkat)?
Which BAC range corresponds to the euphoria stage?
Gross hemolysis can falsely elevate CK measurements due to the release of which enzyme?
Which hormones characterize the first, second, and third trimesters, respectively?
Plastic tubing is commonly made from which polymer?
Lipase elevation in pancreatitis remains high for about how long before normalization?
For individuals aged 45 with more than one risk factor, how often is screening recommended?
Which drug is nephrotoxic and ototoxic?
Which buffer is used specifically for the Bowers-McComb alkaline phosphatase method?
Which metric is defined as the probability that a positive test result is actually a true positive?
During pregnancy, after the first trimester, which structure is the major producer of progesterone?
Which of the following is NOT listed as an early or late biomarker of AKI?
Which form of vitamin D is considered inactive?
In salting-out albumin procedure, high salt precipitates which fraction?
Which complication is listed as the most common in phlebotomy?
Which drug requires whole blood for monitoring?
HbA1c testing should be repeated every how many months for patients noncompliant with targets?
Which test is used for monitoring thyroid hormone replacement therapy?
Which enzyme is common to both enzymatic triglyceride measurement methods?
What is the purpose of adding LDH to the Walker/Karmen reagents?
Which detection methods are used for glucose oxidase–based measurements?
Which Fredrickson Type corresponds to Mixed Hyperlipidemia (CM and VLDL)?
In the CPC-based calcium dye-binding assay, which additive prevents magnesium interference?
Which enzyme pattern is associated with hepatocellular liver injury?
What is the most common anterior pituitary gland tumor?
Glutathione synthetase belongs to which enzyme class?
In flame photometry, which color corresponds to calcium emission?
In the context described, which parameter is the ion-selective electrode reading used to derive bicarbonate for the anion gap calculation?
Which analyte commonly requires anaerobic transport to preserve its measured value?
In the Modified Abell-Kendal method for serum cholesterol, what modification is used compared to the standard LB method?
FT3 is normally tested only when which two test results are observed?
LpX is associated with deficiency of which enzyme?
Which ABG analytes are directly measured?
Which lab pattern describes secondary hyperthyroidism (all values elevated)?
Which is a gamma globulin protein?
Which tumor marker is associated with Lewis antigen status?
Which solutions are used for spectrophotometric calibration methods?
What BAC defines legal intoxication limit?
Which enzyme in the enzymatic cholesterol method is responsible for producing hydrogen peroxide in the reaction sequence?
Which molecules form the ammonium-selective membrane in ion-selective electrodes?
Which equation is more commonly used to estimate glomerular filtration rate than Cockcroft-Gault and MDRD?
Which statement about systematic errors is true?
Increased renin production is typically associated with which initial blood pressure state?
A perfect Gaussian (normal) distribution occurs when which measures of central tendency are equal?
Which condition is a water balance-related cause of hyponatremia, including SIADH?
What is the defining feature of monoclonal gammopathy on electrophoresis?
Which colorimetric method is used to detect peptide bonds in proteins?
On a Lineweaver-Burk plot of 1/v versus 1/[S], what is the y-intercept?
In slight hemolysis, which enzyme activity is most affected?
What is the normal albumin-to-creatinine ratio in mg/g?
Diagnostic tests of hypoglycemia?
Which tube type is used to obtain serum after clotting?
Which dye-binding reagent is used for total protein measurement?
In LDL homogeneous assay, which component is measured enzymatically after separation?
Which MS approach uses isotope dilution to quantify nonprotein nitrogens?
If you list both cytocentrifuge speed and osmolality specimen in a single statement, which would be correct?
What is the colored reaction product formed in the Reitman Frankel method (denoted as brown)?
What is the defining feature of polyclonal gammopathy on electrophoresis?
In hyponatremia, plasma osmolality is typically:
Which biochemical marker is used to assess bone resorption in osteoporosis?
An increased beta or an unusual band between alpha-2 and beta indicates which condition?
Type 3a diabetes involves genetic defects for beta cells.
Blow-out (viscous) and Self-draining (non-viscous) describe which two pipette drainage characteristics, with BO and SD correspondences?
Which lipid parameter is commonly measured in a basal fasting lipid panel?
Which analyte is typically decreased in a hemolyzed sample?
One example of secondary hyperuricemia is which condition?
Which glass is low thermal resistance and suitable for strong acids and alkali?
In flame photometry, which statement is true?
Among lipoproteins, which has the highest cholesterol content?
What is the SI unit of enzyme activity?
Which organ primarily regulates extracellular potassium concentration?
Sitting to supine posture leads to what change in plasma concentration?
Which method is described as expensive and sensitive for urea determination?
The solubility of a protein is lowest at its isoelectric point.
The Ferro-Ham chloranilic acid precipitation method for calcium uses which acid as reagent?
Which acids are graded as 4 (Severe) in the laboratory severity scale?
Which hormone from the anterior pituitary stimulates ovulation and testosterone production?
Which pairing correctly matches a cardioactive drug with its common indication?
Which method characterizes third-generation TSH assays?
Which stimulant is commonly used to treat narcolepsy?
Calcium and lithium ions in ion-selective electrodes use which type of membrane?
In glucose oxidase-based enzymatic assays, hydrogen peroxide participates in the detection step by reacting with a chromogen to produce color. Which statement best describes this role?
Lactate produced in anaerobic glycolysis yields how many ATP per glucose?
Derived formula of molarity is equal to
During the 2-hour OGTT, how many blood draws are typically performed?
Which conjugated protein type has the highest carbohydrate content?
With a 1°C rise, pO2 changes by which percent?
Which statement correctly describes steroid hormones?
In the chemical method using alcoholic KOH, what are the products?
Which protein binds PSA and is increased in Alzheimer's disease?
In the condensation method, what color indicates formation of Schiff's base with glucose?
In laboratory workflow, which phase includes test selection and physician identification?
Which lipoprotein has the highest protein content?
What is the normal anion gap range without including potassium?
Which photodetector type requires no external voltage?
Which particle carries the highest cholesterol content?
In the high-dose dexamethasone suppression test, which pattern best distinguishes Cushing's disease from ectopic ACTH production?
What is the correct expression for the anion gap as described in the material?
In scintillation counting, a crystal gamma counter is used to detect gamma-emitting isotopes such as which of the following?
When a pH value is not given, which measurements are used to determine acidosis or alkalosis?
Which ion acts as an activator of alkaline phosphatase?
Which mnemonic corresponds to 'magnesium in, calcium out'?
Which enzyme converts T4 to T3?
Which enzyme acts as a hydrolase and is used as a marker for liver disease?
Which marker best reflects hepatic synthetic function?
Which statement best describes Borosilicate, Aluminosilicate, and High Silica glass in laboratory use?
What is the alkaline reagent provided in the Reitman Frankel reaction?
Positive displacement micropipettors are described as using which configuration?
What is the silicate concentration for Type 2 reagent water?
Tolbutamide is administered by which route in this context?
What is the main driving force of the bicarbonate-carbonic acid buffering system?
During the follicular phase of the menstrual cycle, which sequence occurs?
Procalcitonin is increased in bacterial infection within which time frame?
Arsenic has high affinity for which tissue, used for long-term exposure assessment?
Which statement correctly interprets the range 200-1000 rpm?
Cadmium exposure is associated with damage to which alveolar cells?
In flame photometry, which color corresponds to sodium emission?
Which method measures turbidity by blocking transmitted light?
Which substance is most commonly abused worldwide?
Addison's disease affects sodium and potassium balance due to hypoaldosteronism. Which electrolyte pattern is typical?
What is the most common cause of biliary obstruction?
Absorbance accuracy in spectrophotometry is checked using which combination?
Which hormone is a regulator of calcium in the body?
What does Multipoint refer to in kinetic assays?
What is the most common treatment for Conn's syndrome?
Which is described as the most important component of HDL?
Which test is used to assess long-term glycemic control?
Which sequence correctly describes the four steps of Beta Quantification?
What are the two lights described in fluorometers?
For UV and IR spectral measurements, which material is commonly used for sample cells?
Normal arterial pCO2 range is:
Which estrogen is described as cardioprotective and involved in coagulation?
Which pair of serum proteins are negative acute-phase reactants?
Which enzyme is NOT listed among the nine enzymes with macroforms?
What percentage of total NPN is urea?
Fructosamine is indicated in which conditions?
Which enzyme is most specific for pancreatitis?
Inhibin A provides feedback to inhibit which anterior pituitary hormone?
CK-BB is elevated in which condition according to the material?
Which option is outside the cytocentrifuge speed range of 200-1000 rpm?
CNS stimulants vs depressants: which pairing is correct?
Which enzyme category is known for introducing or removing double bonds (creating double bonds)?
In rapid screening methods for trace elements, the sample used is urine.
Which of the following is a reason discrete analyzers are named as such?
Prealbumin serves as a transport protein for which hormone or molecule?
Among the diurnal variation list, which hormone is higher in the PM period?
Which of the following is NOT listed as a regulator of body water balance?
Decreased unmeasured cations, such as in hypocalcemia, would have what effect on the anion gap?
Which triglyceride level category indicates high risk for CHD?
Free PSA pattern relative to BPH and PC?
In target therapy for high-risk patients, which lipid parameter should be optimized?
What total cholesterol value is considered Desirable according to reference ranges?
What is the recommended butterfly needle length?
Dementia associated with dialysis is linked to which metal?
Which test assesses variability between two groups to evaluate precision?
Wetting agents or incorrect pH have what effect on unconjugated bilirubin?
Reference range for creatinine using the enzymatic method in females?
Which method is used for chloride determination according to Schales and Schales?
Which mineral acts as a cofactor for more than 300 enzymes?
What fraction of extracellular fluid is interstitial?
In immunoassays for therapeutic drug monitoring, which description matches Microparticle Enzyme Immunoassay?
Which statement accurately describes the Tanzer-Gilvarg CK determination method?
CRP levels: which range defines high risk for CHD/stroke?
Elevated 17-hydroxyprogesterone is most characteristic of deficiency of which enzyme in congenital adrenal hyperplasia?
The Joint Commission requires laboratories to be accredited by how many organizations?
In a verification study of a reference interval with 20 subjects, how many results should fall within the interval for acceptability?
What was the earliest method used for bilirubin determination?
Which test increases specifically in ESS/NTI?
Which amylase method is described as Saccharogenic and expressed in Somogyi units?
Which of the following are examples of automation systems?
How long can samples be stored at -20 C?
Which ion activates creatine kinase as an enzyme cofactor?
When a standard curve has good linearity, what does y represent?
Which pair of markers are used as the two natriuretic peptide markers for congestive heart failure?
Elevated DHEA is associated with deficiency of which enzyme in congenital adrenal hyperplasia?
Which test is described as the most specific and sensitive test for thyroid dysfunction?
What is the recommended lancet length for adults?
Total immersion calibration applies to which equipment?
Which term describes the process of determining if a patient has a disease?
In electrophoresis scatter, which pattern is associated with large particles?
Which Fredrickson type carries the highest cardiac risk?
Which LDL-C determination method is a direct homogeneous assay that uses detergents?
Hyperprogesteronemia is associated with which menstrual outcome?
What is the typical angle used to detect scattered light in nephelometry?
What are the two most common chromogens used in Trinder-type glucose assays?
Which enzyme releases free cholesterol from macrophages?
Which equation corresponds to the De Long method for estimating VLDL in mg/dL?
What does HPLC stand for?
Venous blood glucose is typically how much lower than capillary or arterial blood?
Another consequence of squeezing the puncture site is the introduction of what into the specimen?
Which cleaning method is listed as best for plastic and glassware?
Ion selective electrodes have largely replaced which instrument?
What happens to pCO2 and pH when air bubbles are present in the sample?
Which bands are included in the general APR classification?
In refractometry, how much sample is required?
Sertoli cells produce which two substances?
What are the phases of subacute thyroiditis in order?
What is the reference range commonly cited for alkaline phosphatase activity in U/L?
HbA1c level that indicates poor glycemic control is greater than what percent?
Which sugar is non-reducing?
Renal tubular acidosis typically presents with which acid-base disturbance and chloride status?
Increasing the concentration of heparin in an ABG sample tends to cause which combination of effects?
Which ALP isoenzyme is most heat stable and associated with lung cancer?
Osmolality is calculated as Molarity multiplied by what factor?
When should neonatal screening for congenital hypothyroidism be performed?
Which of the following is an example of a TD pipette?
Intestinal alkaline phosphatase is more commonly seen in secretors of which blood groups?
In drug of abuse testing, which pairing is used for screening and confirmation?
On linear graph paper in spectrophotometry, what is plotted on the y-axis?
Which statement correctly describes Bronsted-Lowry acid-base theory?
Which statement best aligns with the material regarding insulin?
In laboratory terminology, a method with documented accuracy and precision is referred to as what?
Which drug is hepatotoxic?
Which plastic is autoclavable due to chemical and temperature resistance?
SST and PST can cause decreases in which two drugs?
Which electrophoresis pattern is associated with juvenile cirrhosis?
Which adrenal medulla tumor is typically associated with increased VMA but not HVA?
What is the reference range for globulin in serum?
The Van de Berg modification of Ehrlich reagent adds what to the reaction as an accelerator?
Which female hormone is present in males?
What is the stated lethal daily dose of lead?
For absence (petit mal) seizures, which drug is preferred?
Which buffer is used for acidic conditions in electrophoresis?
Which enzyme's decrease is clinically significant?
The low-dose dexamethasone suppression test is used to distinguish Cushing's syndrome from which group?
Which LD measurement method is more common?
Which ion is listed as an inorganic anion activator (cofactor)?
In renal dysfunction, which statement best describes urine amylase and urine creatinine levels?
In fulminant hepatic failure, which marker is disproportionately elevated relative to others?
Which abnormal lipoprotein is described as sinking prebetalipoprotein?
ApoB48 main distribution and function?
Which plastic is autoclavable primarily for temperature tolerance?
Which two hypothalamic nuclei store hormones released by the posterior pituitary?
What are the three steps in the 3-step precipitation method?
Which of the following is a B2 hepatic disease?
In cirrhosis, which laboratory pattern is typical?
Which technique separates proteins by migration in a pH gradient?
Which stage comes after euphoria in the ethanol impairment sequence?
DPMO is most commonly associated with which quality framework?
Which Aldolase isoenzyme is predominantly found in skeletal muscle?
Which of the following is a semi-synthetic opiate?
Levels of standards are described as which set?
Which trace element is essential for DNA and RNA synthesis as a key cofactor?
Pink disease is associated with exposure to which metal?
How is prostatic ACP calculated?
Which option is NOT one of the three basic automation approaches?
What are the two forms of chromatography?
Which term describes results used as legal evidence?
Deficiency of which vitamin leads to hemorrhage and bruising?
What color is produced in the Evelyn-Malloy color reaction?
Hyperkalemia due to cellular shift is most strongly associated with which condition?
Which of the following is NOT among the three most osmotically active particles in serum?
Uric acid comprises what percent of non-protein nitrogen (NPN)?
What is the reference range for albumin in serum?
What is the most common clinical use of tumor markers in cancer management?
Which statistical test is used to compare the means of two groups?
Hers disease is due to deficiency of which enzyme?
By how many fold is 24-hour urine free cortisol typically increased in primary hypercortisolism?
What instrument is used to measure rotor speed during centrifuge calibration?
Which statistical test is used to assess precision (variance)?
Which hormone from the anterior pituitary triggers ovulation?
Which formula defines Negative Predictive Value?
What is the key rationale for using a 2-hour OGTT in diabetes screening?
C-peptide levels are high in which condition?
Which particle has the highest triglyceride content?
Which of the following is a measure of dispersion?
A protein composed of more than one polypeptide chain held together by non-covalent interactions has which level of structure?
What is the rpm range for a cytocentrifuge used for cell counts?
What is the active metabolite of procainamide?
Vancomycin administration may cause which syndrome?
How long can refrigerated serum samples be stored before analysis?
Which calcium-dye yields a violet color in the dye-binding approach?
Whole blood glucose concentration is lower than plasma by what percent?
The most common cause of hyperbilirubinemia is
Elevated 11-deoxycorticosterone (11-DOC) is characteristic of deficiency of which enzyme in congenital adrenal hyperplasia?
In the equation y = mx + b, what does m denote?
Which drug is classified as a long-acting barbiturate?
Reference range for creatinine using the Jaffe method in males?
Which metals can cross the placenta?
A buffer is a mixture of which components?
Which immunoassay for thyroxine testing corresponds to a microparticle EIA with an ELISA sandwich format?
For catecholamine testing, which specimen type is described?
Calibration of the pO2 electrode requires which standard?
Which two analytes increase when serum is stored at room temperature?
CK is a _____ (protein unit).
Heparinized plasma cannot be used in which two assays?
Which technique is an amperometric method?
What is the reference method for therapeutic drug monitoring (TDM) and HbA1c measurement?
Which of the following describes polyacrylamide-based gel electrophoresis?
Which reaction type characterizes the Oliver-Rosalki CK determination method?
Which plastic is used for graduated cylinders and centrifuge tubes?
Poppy plants are the natural source of which class of abused drugs?
TBPA stands for which of the following in the context of thyroxine transport?
Which technique is used as a reference method for HbA1c measurement?
Fructosamine measurement is unreliable in hypoalbuminemia when albumin is at or below what level (in g/dL)?
The highest CK elevation is observed in which condition?
Which lipoprotein is prothrombotic and homologous to plasminogen due to its Apo B-100?
GGT is often elevated more than tenfold in which condition?
Which thyroid hormone is considered the inactive form?
In advanced liver fibrosis where hepatocytes are largely destroyed, AST, ALT, and LD levels are typically:
What is the current reference method for triglycerides?
Which of the following is NOT an example of a protein hormone?
In linear regression, the y-intercept corresponds to which type of error?
Which item is NOT listed as an analytical element in RECSQ?
What is the most common cause of secondary hyperaldosteronism?
Which regulator is released in response to increased plasma osmolality and acts on the kidneys to conserve water?
Using the transmittance formula T(%) = 10^(2 - A), what is the transmittance when absorbance A equals 0?
Which test differentiates neurogenic DI from nephrogenic DI?
Elevated gamma-glutamyl transferase (GGT) is most associated with diseases of which organ?
Quaternary structure is stabilized by which interactions?
What is the desirable LDL:HDL ratio?
Which test is associated with serotonin in the protocol?
Which genes are considered indicators of hereditary cancer susceptibility in breast cancer risk assessment?
Which condition shows decreased radioactive iodine uptake (RAIU) compared with other hyperthyroid conditions?
According to the data, what is the approximate peak time window for Troponin I after myocardial injury?
What is the angle range for arterial puncture at radial and brachial sites?
Magnesium concentration in red blood cells is approximately how many times higher than in plasma?
In the Wacker/Forward LD assay, which conversion occurs?
In the provided notes, Six Sigma is applied to achieve what?
Which of the following is a common support medium for electrophoresis?
Which type of luminescence is produced by biological luciferin-luciferase systems?
Inhibition by wheat germ lectin, which amylase isoenzyme is inhibited?
Which enzymatic creatinine method uses creatininase with peroxidase (POD) as part of the coupled reaction?
Which combination of anterior pituitary hormones is released in response to Thyrotropin-Releasing Hormone?
Which foods are listed as BVCT (Banana, Vanilla, Coffee, Tea) affecting VMA/HMMA testing?
What is the first and most important screening test for evaluating thyroid function?
Which are the metabolic functions attributed to Thyroxine in metabolism?
Which Fredrickson Type represents Primary Triglyceridemia or Familial Endogenous Triglyceridemia (VLDL) with high TAG?
Which immunoassay type is heterogeneous and uses microparticles in a solid phase with enzyme-labeled antibodies?
In electrophoresis, B-VLDL travels with which lipoprotein?
Which statement correctly describes reflectance photometry?
A BUN-to-creatinine ratio greater than 20:1 with a normal creatinine level is most consistent with which condition?
Which pattern best describes primary hyperthyroidism in terms of TSH, FT4, TT3/TT4, and T3 uptake?
Which protein transports retinol (Vitamin A) in the blood?
What is the arterialization temperature used in the procedure?
Hypernatremia caused by increased water loss can be due to which condition?
Type 1 diabetes mellitus is defined as IDDM with more than one autoantibody.
Km is defined as substrate concentration at what fraction of Vmax?
What is the normal range for 1,5-anhydroglucitol (1,5-AG)?
In the description of chloride balance notation, what is listed as the 'Counter' ion?
Macroenzyme 1 is bound to what?
Which is the correct formula for osmolality when concentrations are given in mg/dL?
Transferrin formula
Which indicator is used in the method?
Which of the following describes Type 2 reagent water characteristics?
Which components define acid-base balance among the listed electrolytes?
Altitude in feet at which blood volume decreases when collected?
Which plastic is used for alkaline storage?
Nonfasting lipid analysis is acceptable for two analytes. Which is NOT among them?
Which lipoprotein contains the highest phospholipid content?
Which markers are predominantly elevated in biliary obstruction?
Modified Van Handel Zilversmith method modifications?
Which are precipitation agents for protein turbidimetry?
In ABG analysis, a bicarbonate/carbonic acid ratio of less than 20:1 indicates:
Which bilirubin form has higher CNS affinity, increasing the risk of kernicterus?
In the perfect correlation principle, what is the Y-intercept?
Estimated total body water for a 70 kg male is approximately how many liters?
Best HUS marker since it is not an APR
In atomic absorption spectroscopy, which categories of interference are recognized?
Which specimens are commonly used for measuring HVA/VMA by HPLC?
Which of the following is a cellulose derivative used as a support medium in electrophoresis?
Which method is colorimetric for potassium measurement?
Which dispersive element yields non-linear dispersion and is used for higher frequency light?
Which condition corresponds to Cushing's syndrome due to autonomous adrenal cortisol production?
What is the reference range for ammonia in micrograms per deciliter?
Blood gas analysis QC is performed with how many levels and how often?
For the sample type used in evaluating hemolysis effects, which is preferred?
Highest elevation of LD is observed in which condition?
What is the stated exponent of the meter?
Which marker is used to differentiate benign prostatic hyperplasia (BPH) from prostatic carcinoma (PC)?
Partial immersion calibration pertains to which equipment?
Which class of hormones is characterized by water-soluble solubility, no carrier, and a half-life of about 10-30 minutes?
What is the pH range for Type 3 reagent water?
Which lipoprotein is described as floating prebetalipoprotein with high cholesterol content?
What is the reference range for total protein in serum?
Moderate elevation of LD corresponds to which ULN range?
The measuring electrode tip for a pH electrode is commonly made of which material?
What is the reference method for electrolytes?
Which component is part of the surface of lipoproteins?
Which enzyme esterifies free cholesterol inside nascent pre-B HDL to form mature alpha-HDL?
In the 3 diazo reagents setup, what is Diazo B composition?
Main source of error in lipase determination?
In the Ferric Reduction method, what are the colors of the reagents before and after reaction with glucose?
Osmolarity is expressed in which units?
AST and ALT belong to which category in liver function testing?
Dopamine, acting as a prolactin-inhibiting factor, inhibits the release of which hormone?
Which enzyme is NOT part of the enzymatic cholesterol method?
Which statement is true about acid strength and pKa in relation to strong and weak acids?
Which MS technique is used for nonvolatile drugs?
Which statement is supported by the notes regarding osmolality testing?
Calcitonin is most closely associated with which thyroid disease?
Which of the following is a calcineurin inhibitor?
Standard QC uses how many levels and how often?
In a pO2 sensor, what are the correct materials for the cathode and anode?
Which statement best describes autoantibody association in type 1 diabetes?
Bicarbonate accounts for approximately what percentage of total CO2 in blood?
Which of the following is NOT considered a DOWNTIME waste?
Congenital Minamata disease is caused by exposure to which metal?
Which laboratory value is used to monitor long-term glycemic control in diabetes?
Na+/K+-ATPase pump uses what type of transport?
What is the Diazo blank composition in the 3-diazo reagents setup?
In the Free Thyroxine Index formula, T3U is divided by what value?
Uric acid is a product of catabolism of which purines?
Lead exposure can occur via which routes?
Which protein is the primary carrier of retinol (Vitamin A) in serum?
Which factor can cause a false positive urine bhCG result?
Which combination of reagents is used in the Kjeldahl digestion step for protein analysis?
Which lipase determination method measures the rate of clearing by turbidity?
What is considered the best specimen for arterial blood gas (ABG) analysis?
Elevation of alkaline phosphatase in obstructive bile duct obstruction is typically how many times ULN?
In pregnancy, beta-hCG reaches its peak around which week?
What is the relationship between triglyceride levels and thyroidism?
In a calibration context, which statement best represents the relationship between unknown and standard samples?
Nesslerization in ammonia measurement yields which color?
Which statement correctly matches the metabolic actions of epinephrine and cortisol?
Which of the following is NOT a Dye Lake dye?
Which technique is typically categorized as potentiometry?
Which CK isoenzyme is the mitochondrial form?
Which statement is true about HbA1c testing methods based on the provided notes?
The Ferriman-Gallwey Scale is used to grade which clinical feature?
What is the normal reference range for serum albumin?
In CQI, which belt level corresponds to project sponsors?
What is the CFU/mL threshold for Type 1 reagent water?
What color is produced in the Jendrassik Groff color reaction?
Which method is NOT used for apolipoprotein assays?
The chorion is composed of which two layers?
What are the two calibration methods for micropipettors?
Which method is enzymatic (GLDH) for ammonia determination?
Which set of enzymes is involved in interconversion of mature alpha-HDL subspecies?
Which follicle is selected to release the ovum and give rise to the corpus luteum?
GDM converts to DM within 10 years in approximately what percent?
In Step 2 of the 2-step GDM test, how many of the four time-point thresholds must be exceeded to diagnose GDM?
Under CLIA, non-waived quantitative tests require how many control levels per day?
Which hormone reflects placental function and remains increased throughout pregnancy, aiding estrogen and progesterone production?
What is the expected result of an overnight dexamethasone suppression test in primary hypercortisolism?
Which condition is NOT associated with increased AFP?
Nagao isoenzyme is associated with which cancer?
Which measurement provides an estimate of glomerular filtration rate (GFR)?
What is the reference range for serum T4 in females?
Xanthine oxidase catalyzes the conversion of purines into which compound?
The Krebs cycle yields how many ATP per acetyl-CoA under aerobic conditions?
A spike of alpha-2 macroglobulin (A2) is most characteristic of which condition?
Main source of error in amylase determination?
What is the standard glucose load for the 2-hour OGTT in adults?
Which hormones are produced by the thyroid gland?
In cholesterol transformation, which form is considered transformable cholesterol?
Which pairing correctly matches a testosterone disorder with its typical cause?
Which factor is listed as causing a rightward shift of the oxyhemoglobin curve by increasing metabolic activity?
The endpoint of the titration corresponds to the formation of which fatty acid?
Criggler-Najjar Type 1 is characterized by which UDPGT deficiency?
Which amino acids contribute to protein absorbance at 280 nm?
What CRP level range defines low risk?
Which metal is associated with destruction of type 1 alveolar epithelial cells in the lungs and increased resistance to certain bacterial infections?
For every 1°C increase in temperature, the multiplying factor for pO2 is:
Which element has an atomic weight of about 23?
If a solution contains 3 equivalents of solute per liter, the normality is
Which protein has the highest concentration in the alpha-1 band during electrophoresis?
Which biomarker is commonly used as an index of overall renal function?
Which of the following is not used in the evaluation of pheochromocytoma?
Which glass releases alkali as described in the material?
Severe vomiting and severe burns are associated with what change in chloride levels?
Which nondestructive method is used for determining organic compounds in lipoproteins, compared with destructive MS?
Which value represents a Normal triglyceride level?
What type of centrifuge head is used for microhematocrit tubes?
After heating at 56°C for 10 minutes, what are the expected residual activities for bone and liver ALP?
In the AST determination using the MDH step, which enzyme is used?
What is the peak time after intravenous administration for digoxin?
Which electrode is commonly used as a reference electrode in potentiometry?
Which copper reduction method is Benedict's variant that uses stabilizers such as citrate or tartrate?
Which test is used as a confirmatory test for primary hyperaldosteronism?
Which enzyme has the highest circulating concentration?
In the direct pathway of HDL returning cholesterol to the liver, which receptor mediates uptake of cholesteryl esters on hepatocytes?
Which of the following is NOT a core component of lipoproteins?
What are the reference ranges for total CK for men and women respectively?
Which HbA1c method is described as the preferred method for measurement?
Which hormone is increased in primary hypothyroidism and decreased in primary hyperthyroidism?
Which gas is NOT listed as a mobile phase in the source material for gas chromatography?
Which condition presents with elevated T3 but normal T4 (T3 thyrotoxicosis)?
During pregnancy, which estrogen is primarily produced as a joint effort of mother and fetus, with fetal DHEAS needed by the placenta?
What pre-treatment step is required before electrophoresis for CSF and urine samples?
The SI prefix for 10^15 is which of the following?
Which reagent is used in the colorimetric Jaffe method for creatinine determination?
Which diagnostic test is used for confirming GDM, DM, and impaired glucose tolerance?
Lactate dehydrogenase (LD) measurements are described as what kind of unit related to its subunit composition?
What is the reference range for serum amylase?
HbA1c diagnostic criterion requires the value to be met on how many occasions?
In air-displacement micropipettors, the tip is made of which material?
In Kjeldahl nitrogen determination, which two reagents are essential for the digestion step?
Which accelerator is used in the Evelyn-Malloy method?
Hyperglycemic hormones are released at what plasma glucose level?
In Homocystinuria, deficiency of which enzyme?
Which instrument is typically used with colorimetric copper reduction methods such as Folin-Wu?
Pseudohyponatremia is a laboratory artifact related to which measurement method?
What is the reported toxic daily dose of lead?
Metal fume fever is most strongly associated with inhalation of fumes of which element?
Molality is defined as
Peak-level collection times for different administration routes are: IV after 30 minutes, IM after 60 minutes, Oral after 1-2 hours.
Which two urinary metabolites are used to assess testosterone activity?
Which is an example of relative hyperproteinemia?
What structure connects the hypothalamus to the anterior pituitary?
Which of the following is NOT a continuum light source?
The Zimmerman test for 17-ketosteroids uses which reagent, and what color indicates a positive result?
What are the two major sources of ACP?
Which set represents hepatocellular injury markers?
The measuring electrode buffer for a pH electrode is typically which salt solution?
For metanephrine testing to screen pheochromocytoma, which result is preferred?
Euthyroid Sick Syndrome is also known as what?
Which photodetector is described as the most common and most sensitive for low light levels?
Triglycerides provide energy primarily through conversion to which molecule?
In the chemical method, which step uses Bloom's reagent for extraction?
In gravimetric calibration, what solution and condition provide the most accurate standard?
Which value represents the reference range for total bilirubin?
Approximately how many primordial follicles are present in neonates?
Molarity is defined as
Niacin deficiency results in Pellagra. Which of the following best describes Pellagra?
Subclinical hypothyroidism is best described by which pattern of TSH and FT4/TT3/TT4?
In a standard diagnostic 2x2 table, what do the terms True Positives and False Positives refer to?
In a standard diagnostic 2x2 table, the Positive and Negative rows refer to which concept?
The RST clotting time is limited to how many minutes?
Aspirin overdose commonly causes which acid-base disturbance?
Routine renal function testing commonly measures which biomarker?
What fasting period is recommended before triglyceride measurement?
Which condition shows TSH normal, FT4 normal, TT3/TT4 low, and T3 uptake high due to low thyroid-binding globulin?
Von Gierke disease (Type I glycogen storage disease) is due to deficiency of which enzyme?
An advantage of carbonic acid as the main buffer is that it can provide H+ and HCO3- for buffering.
According to the SIBICO mnemonic, which statement is true?
Markers for preterm delivery and threatened abortion
What is the NCEP goal for HDL cholesterol?
Which of the following trisomies is NOT among those associated with decreased AFP?
Fuller's Earth adsorbent is composed of which silicate?
Which of the following is NOT a method of bilirubin determination?
Two types of hypoglycemia and hours?
In the G6PD-based method, what spectrophotometric detection is used?
T3 Uptake provides what kind of relationship to thyroxine-binding globulin (TBG)?
An alpha-1 flat curve on electrophoresis is associated with which condition?
For secondary adrenal insufficiency, which stimulation test is used as a screening test?
Which metric equals TN divided by (TN plus FP)?
Which enzyme tends to rise earliest in pancreatitis?
FTI is a product of TT4 and which factor?
Physical properties that depend on relative concentration but not identity are called?
Which infection decreases CRP?
What is the molecular weight of alpha-2 macroglobulin?
The relationship between cholesterolemia and thyroid function is generally described as:
Hashimoto's thyroiditis is associated with antibodies including anti-thyroglobulin, anti-TPO, and anti-microsomal antibodies. Which option lists these antibodies?
Which LD measurement method is faster?
What is the reference method used for trace element analysis?
Citrate tubes have an inversion exception of how many times?
In postmenopausal women, which estrogen predominates?
Which defect is associated with Gilbert Syndrome among hepatic B1 diseases?
Which transporter pumps free cholesterol to lipid-poor HDL to form nascent pre-B HDL?
What is the most common cause of a high osmolal gap in clinical samples?
In a Cusum chart, which axis represents the run number?
Electrophoretic mobility: which lipoprotein shows beta mobility?
Which statement correctly pairs primary hypergonadism with its typical cause?
Elevation of alkaline phosphatase in bone tumors is typically how many times ULN?
Which lipoprotein density is less than 0.93?
Tangier disease is associated with ABCA1 mutation and very low HDL. Which condition is this?
Symptoms beginning of hypoglycemia occurs at which plasma glucose level?
Which body fluid does not reflect the same glucose concentration as blood?
In chemical storage, acids should be stored separately from bases.
Which lipoprotein density range is 1.006 to 1.019?
In the standing plasma test, what indicates the presence of both VLDL and chylomicrons?
If a blood sample is contaminated with intravenously infused fluids, which analyte is most likely to show an artificial increase?
Is 800 rpm within the specified cytocentrifuge speed range?
Which pair correctly describes the two common methods for measuring bicarbonate in clinical chemistry?
1 mole D-Glucose equals how many osmoles when dissolved in water?
Which test detects early renal complications in diabetes?
Which of the following is a cause of high anion gap metabolic acidosis due to unmeasured anions?
According to the critical values list, what is the critical glucose range?
Which test is primarily used for the diagnosis of diabetes?
Which of the following is listed as a hyponatremia cause under 'Other causes'?
Night blindness is associated with deficiency of which vitamin?
The measuring electrode covering membrane for a pCO2 electrode is typically which material?
Which test is used as a screening test for primary hypercortisolism?
What is the titrant used in the method?
What is the critical pO2 value threshold?
Which are two components of continuous flow systems?
Pipets by Design differentiate contain vs deliver. Which term corresponds to deliver?
If data are skewed, which measure of central tendency should be used?
Which diffusion-based ammonia measurement method uses a membrane containing nonactin/monactin?
Storing ALP at 4°C has what effect on measured activity?
Bronze diabetes is caused by deposition of which element?
What is the difference called between calculated osmolality and measured osmolality?
Which ABG handling practice is recommended?
Which condition yields the highest elevation of alkaline phosphatase (ALP)?
Which organ is the first affected during hypoglycemia?
What is the main endogenous source of cholesterol?
Alkaline phosphatase (ALP) optimum pH is typically around:
In the pathway, which sequence best describes the conversion: DHEA to testosterone to estrogen?
What is the critical total bilirubin value listed?
Which of the following is an enzyme commonly measured in clinical chemistry?
Which protein is an example of a quaternary structure?
In uremia, which electrolyte and acid-base disturbances are commonly observed?
For individuals with at least one risk factor, how often should screening be performed?
Which compound is the most abundant non-protein nitrogen (NPN) substance?
Which Fredrickson Type is Familial combined hyperlipoproteinemia (high LDL and VLDL)?
Which statement about calcium distribution is true?
Apoenzyme plus a prosthetic group forms which enzyme type?
Which of the following is NOT a protease inhibitor?
What fraction of extracellular fluid is intravascular (plasma)?
How should a cortisol sample be collected for accurate measurement?
The Szasz assay for GGT uses which substrates?
The Kjeldahl method estimates protein content by measuring which element?
Water for higher purity techniques is designated as Special reagent water.
Which of the following lists the four colligative-property changes associated with high osmolality?
In Lean's application to clinical settings, 'Shorter STAT' refers to a desire to achieve what outcome?
Lean Six Sigma addresses two questions. Which pair is correct?
Which LD isoenzyme remains active after heat denaturation?
In insulinoma, the expected lab pattern is insulin high, proinsulin high, C-peptide high, and B-hydroxybutyric acid low.
What percent hemolysis corresponds to gross hemolysis?
In the Cockcroft-Gault equation, which factor is applied if the patient is female?
Which HDL-C determination method is considered the gold standard?
Tarui disease is due to deficiency of which enzyme?
Which anticoagulant is preferred for ABG analysis?
ACS Primary Standard purity level is typically what?
In the enzymatic determination of urea, what is produced when urea reacts with urease?
Which substance is used as the substrate when performing amylase activity assays?
Midnight salivary cortisol in primary hypercortisolism is typically what?
According to the rule of normality and molarity, which relation holds?
In the MDRD equation, how many variables are used?
Which of the following is considered the best single criterion for diagnosing diabetes by ADA?
Which biomarker list is associated with Alzheimer's disease?
How long can serum be stored at room temperature before analysis?
What is the conventional unit for enzyme activity expressed as μmol per minute?
Secondary bile acids include which?
If a compound has molecular weight 180 and valence 3, its equivalent weight is
In Menke's disease, copper levels are low due to inability to absorb copper, resulting in ceruloplasmin deficiency.
Which group of risk factors promotes atherosclerosis?
What is the reference range for Free Thyroxine Index (FTI)?
Which method is considered the reference method for total protein measurement by nitrogen content?
Which of the following is a ketose?
Which trace element tends to bind sulfhydryl groups in proteins?
In addition to chloride, which anion serves as an enzyme activator?
Which equation correctly represents the Michaelis-Menten model for velocity v as a function of substrate concentration [S]?
Which urinary metabolite is measured by the Zimmerman Method using dinitrobenzene and yields a purple color?
Ketonuria contributes to hyponatremia by which mechanism?
If the pH of a solution is higher than a protein's isoelectric point, the protein will carry what net charge?
The isoelectric point is the pH at which a protein has a net charge of what?
Which marker best reflects hepatic synthetic function?
Which cell type is primarily responsible for the liver's metabolic and synthetic functions?
Type 1a/1.5 is Latent Autoimmune Diabetes of Adulthood and is characterized by a single specific islet cell autoantibody.
Approximately what percentage of testosterone is bound to albumin?
How is the Therapeutic Index calculated?
Which item is described as the most basic pipet?
Decreased creatinine clearance indicates which of the following?
Continuous Monitoring/Kinetic assays are defined by which feature?
Which medium is used for charge-based separation in electrophoresis?
High-resolution protein electrophoresis separates proteins into how many bands?
The measuring electrode buffer for a pCO2 electrode is usually which buffer?
Direct osmolality is measured by which instrument?
In the colorimetric chemical method, the S reagent produces what color product?
Which of the following is not a central tendency measure?
Impairment of which hormone/neurotransmitter is linked to higher drug dependency?
Which of the following are optical methods for protein measurement?
Ammonia is reported in which unit, distinguishing it from other NPN measurements?
How many observations are required when calculating the standard deviation in the quality control context described?
Thiamine deficiency can cause which conditions?
Which of the following are cofactors in enzyme reactions?
Primary bile acids are which?
Hypotension in Addison's disease is primarily due to deficiency of which adrenal hormone?
Riboflavin (Vitamin B2) deficiency commonly presents with which symptoms?
Which method for ethanol measurement is described as enzymatic?
Wavelength accuracy in spectrophotometry is assessed using which materials?
Which method is the reference method for ethanol measurement?
Which method for urea determination uses diacetyl monoxime (DAM) to produce a yellow diazine?
Why have chemical copper reduction methods largely fallen out of use in glucose measurement?
In the Lean 5S framework, what is the fourth S?
Which glassware is known for high thermal resistance due to its borosilicate composition?
Which systems regulate water reabsorption in the kidney?
Which two endogenous markers are used to estimate glomerular filtration rate?
What is the first step in method evaluation?
Compared with serum or plasma, whole blood glucose is typically lower by about what percentage?
Isopropanol can be metabolized to which compound?
Which cell type secretes ACTH?
CFU/mL stands for what?
Euthyroid with low TBG occurs in which situations?
Which biomarker is not an enzyme but rises earlier than CK-MB in AMI?
The Renal Panel is BMP-like but with which changes?
Which condition is NOT associated with elevated ammonia levels?
Normality can be expressed as which of the following?
Which tumor is associated with increased VMA and HVA due to dopamine involvement?
What is the length range given for microwaves?
For osmolality determination, which specimen is listed in the material?
Which paracrine regulator of insulin and glucagon is produced by delta cells of the pancreas?
Calibration of the pCO2 electrode requires which standard?
LDX corresponds to an LD isoenzyme found in which tissue?
Which chemical inhibitor inhibits Placental, Intestinal, Regan, and Nagao isoenzymes?
Which trio of electrolytes is listed for Use no Water?
Niacin deficiency presents with Pellagra. Which vitamin is Niacin?
Which condition is typically associated with elevated T3 and T4?
Which statements best describe two markers for congestive heart failure used clinically?
Which type of silica glassware is considered best among three silica glassware options?
The Renal Panel is BMP-like but with which specific changes?
Cushing's disease is listed as an additional cause of hypernatremia. Which of the following is another listed cause?
What are the intermediate products before urea is produced?
Which units are used for reporting creatinine in blood and in urine?
Which compound is the other antiglycolytic agent besides sodium fluoride?
Which lipoprotein density range corresponds to LDL?
Which component of the simplified quality scheme is described as monitoring only precision?
What creatinine value indicates completeness of a 24-hour urine collection?
Which tissue is a primary target of oxytocin to induce labor?
Which type of glass is the most inexpensive?
Which four components constitute the standard electrolyte panel plus a bicarbonate that is calculated?
What centrifugation speed range and time are standard for separating serum?
Which enzyme is inhibited by antiglycolytic agents?
What is the first step in cerebrospinal fluid (CSF) analysis?
What is the electrophoretic order from cathode to anode?
Which of the following is NOT listed as an indication that calibration is needed?
In Nesslerization for ammonia, the reaction of ammonium with dipotassium mercuric iodide yields which color?
Ideal storage temperature for enzymes is typically:
Which statement correctly describes Arrhenius acid-base theory?
Which condition is listed as a cause of hypernatremia due to increased intake or retention?
What is the critical range for calcium?
Cholesterol is described as a secondary test for two functions; which results are correct?
Which method is typically used for calcium determination by titration?
Mercury exposure routes include which of the following?
Which condition is caused by defective copper reabsorption leading to low copper levels?
Which term describes minimal complexity of instrumentation?
Glycerol + periodic acid yields which product?
Which two proteins are referred to as enzymatic carriers?
Albumin concentration is commonly measured by which dye-binding method?
Prehepatic conditions include which of the following?
Which sequence correctly orders reagent grades from purest to least pure?
Which term describes the relationship of one quantity to another by division?
The amylase:creatinine clearance ratio (SCUA) is calculated as which formula?
What is the most common cause of secondary adrenal insufficiency?
MODY stands for mature onset of Diabetes of the Young.
Which condition is listed as a cause of a low osmolal gap?
In the simplified quality scheme, which term represents the overall program ensuring results meet healthcare service requirements?
Intracellularly, which LD isoenzyme is more abundant?
Prerenal azotemia is suggested by which pattern of BUN and creatinine?
Which of the following is a classic cause of increased anion gap metabolic acidosis?
In the CK-coupled enzymatic method, which cofactor is used in the final reaction and measured by UV spectrophotometry?
In the Fiske Subbarow phosphate assay, the UV measurement is performed at which wavelength?
Which apolipoprotein serves as a surrogate marker for HDL?
Which LD isoenzyme is cold-labile?
In the Walker/Karmen method for ALT determination, which substrate is used by the enzyme?
What fraction of total body water is intracellular?
Phototherapy for neonatal jaundice decreases bilirubin by what percentage per hour?
Which instrument is used for excitation by electromagnetic radiation?
Which disease is primarily associated with elevated HVA and VMA in urine measured by HPLC?
Which of the following is a glycopeptide hormone?
In the linear equation y = mx + b, what does b represent?
Which is the most abundant prehormone of T3?
Which protein is an example of a tertiary structure?
Which statement best describes the three requirements for a standard curve?
Abrupt loss of albumin is most commonly associated with which condition?
Creatinine and BUN are not increased until GFR decreases by about what percentage?
Which sequence correctly lists the three stages of alcoholic liver disease?
Which form is the active form of vitamin D?
The metabolic product marker for critical medical conditions is lactate above what value?
For UV and visible light measurements, which material is commonly used for sample cells?
The smallest endocrine gland secretes which hormone?
Cocaine is described as a potent cardiac toxin that can cross the placenta and breast milk.
The colloid inside thyroid follicles is primarily composed of which protein?
Which placental hormone is primarily produced in the first trimester?
Which of the following is NOT listed as ionizing radiation?
Which Fredrickson Type corresponds to Familial chylomicronemia (LPL deficiency)?
Which immunoassay type is homogeneous and relies on enzyme activity proportional to the analyte concentration?
Gestational DI is caused by which mechanism?
What is the maximum coefficient of variation allowed for LDL-C measurements under NCEP guidelines?
Which molecule is used as the membrane for the potassium-selective ion electrode?
Which enzyme is described as the smallest enzyme in this context?
In indirect calculation of LDL-C, which set of values is required?
Steady state is typically achieved after how many half-lives?
What is the commonly accepted reference range for blood urea nitrogen (BUN) in mg/dL?
In hereditary hemochromatosis, which pattern is expected on an iron panel?
Which automatic micropipettor operates like a hypodermic syringe for viscous samples with constant aspiration force?
According to NCEP goals, if CHD is present, the LDL-C target is:
Calibration of the pH electrode requires which of the following?
CK-BB is primarily associated with which tissue type?
What is the listed critical range for sodium?
Electrophoretic mobility: which lipoprotein shows alpha mobility?
Beta-gamma bridging only on electrophoresis is most associated with which plasma component?
For detecting pheochromocytoma, which metabolites are primarily measured?
In immunoassay instrumentation, which pairing correctly matches the detector type with the instrument commonly used to read it?
Which dye-binding reagent is most common for albumin measurement?
Which statement correctly describes catecholamines (tyrosine-derived amines) in terms of solubility and half-life?
Tacrolimus is approximately how many times more potent than cyclosporine?
Which statement about T3 production is correct?
Which test is used to confirm hypoglycemia in the diagnostic workup?
Which dye is most commonly used as a calcium-binding dye in spectrophotometric assays?
In fluorometry, what is the typical angle between the excitation and emission monochromators?
What is the maximum total error allowed for HDL-C measurements under NCEP guidelines?
Which material is used as the membrane for the sodium-selective ion electrode?
Which test is used mainly for monitoring long-term glycemic control?
Which blank measures the absorbance of the sample?
Which enzyme is commonly elevated with skeletal muscle activity?
Which CK isoenzymes are described as heat sensitive at 60°C?
How do osmolarity and osmolality differ in their denominators?
Which glass type is specifically designed to protect samples from light while providing reasonable thermal stability?
In PCOS laboratory assessment, which parameter most directly reflects circulating free androgen activity?
Which group of antibiotics is listed?
Which two markers are used to diagnose insulinoma?
Which method is colorimetric-spectrophotometric for transaminase determination?
Which has about 10-40% carbohydrate content?
The Albanese Lein colorimetric method is used to measure which analyte?
Which hypothalamic releasing hormone stimulates the release of FSH and LH?
In clinical chemistry, NPN stands for?
Which condition is a common cause of persistent hypoglycemia?
Fanconi-Bickel syndrome is associated with a defect in which transporter?
Which material is used for sample cells in the visible light region?
Coagulation QC is performed with how many levels and how often?
Which adipokine is inversely associated with metabolic syndrome risk?
What is the free fraction percentage of T4 in plasma?
Which two parameters are calibrated in centrifuge performance, and how frequently should calibration be performed?
THBR stands for which term?
Kasha disease is a deficiency of which trace element?
What is considered the gold standard biomarker for acute myocardial infarction?
Which MS technique is used for proteomics and microbial ID?
What is the most important clinical application of electrophoresis?
Subclinical hyperthyroidism is best described by which pattern of TSH and FT4/TT3/TT4?
Coenzymes that are tightly bound to the enzyme are called?
Amylase normalization in acute pancreatitis occurs typically within which time frame?
For viscous samples, which pipetting mode is recommended?
After obtaining the T3U value, what is the next test that can be performed?
Which equation correctly represents the Henderson–Hasselbalch expression for pH in terms of bicarbonate and carbonic acid?
A total cholesterol value of 230 mg/dL falls into which category?
What is the standard path length of a cuvet in most spectrophotometers?
Levels of control are described as which categories?
Which plastic is used for cryogenic purposes such as pipet tips and test tubes?
If blanking cannot be performed, which approach is used?
Which electrolyte primarily regulates the ATPase ion pumps?
ADA HbA1c target for many adults with diabetes is less than what percent?
For CVA collection, how much initial volume should be discarded?
What is the preferred sitting time for cholesterol testing?
Triglycerides require fasting for how long to ensure accurate measurement?
Which is the most potent hallucinogen?
What is the typical turnaround time for routine laboratory testing?
In the Porter-Silber test for hydroxycorticosteroids, which reagent is used and what color is observed?
What is the standard technique for pipetting aqueous solutions?
Which of the following is NOT typically associated with persistent hyperglycemia?
Antiglycolytic agents are used if three tests are done in more than how many hours?
Which amino acid is listed as the most abundant protein in the body and used in many processes?
According to the material, which of the following is listed as a polar phospholipid?
Which element is considered a glucose tolerance factor in type 2 diabetes mellitus?
Which blood collection tube is sensitive to sunlight and should be protected from light for proper coagulation testing?
Which tissue responds to oxytocin to promote lactation?
Which factor inhibits growth hormone secretion?
Normal range for serum osmolality is?
One consequence of squeezing the puncture site during collection is which of the following?
Which instrument is used to measure monovalent ions via photometric techniques?
Which of the following is a measuring pipet?
In flame photometry, which color corresponds to lithium emission?
In the context of reference interval vs reportable range, which statement is correct about the reportable range?
What is the major cause of a trend in assay results?
What is the detection limit of a luminometer?
VLDL is faster than LDL in electrophoresis because VLDL is more negatively charged. True or false?
Which instrument is used for the enzymatic ammonia determination?
Which of the following describes the four main classes of antiarrhythmic drugs?
Electrophoretic mobility: which lipoprotein shows pre-beta mobility?
Which metabolite is produced by anaerobic glycolysis?
Which protein is NOT a beta-globulin?
Before a 2-hour OGTT, carbohydrate intake should be at least what amount for 3 days?
Which is listed as a function of proteins?
Which pair of agents is associated with hypokalemia due to intracellular potassium shift by increasing Na+/K+ ATPase activity?
Placenta: which effect regarding insulin?
The conductimetric method for ammonia detection relies on which observable change?
In the triple marker screen, which pattern is characteristic of Trisomy 21?
Which term describes the ability of a substance to dissociate in water?
Which medium is used for separation by both size and charge in electrophoresis?
Transferrin is described as which type of protein?
In flame photometry, which color corresponds to barium emission?
Which expression represents the FTI formula?
What is the percentage distribution of beta-D-glucose and alpha-D-glucose reported in this material?
Lp(a) density is similar to which lipoprotein?
Which liver function is affected last as hepatitis progresses?
Andersen disease is due to deficiency of which enzyme?
Which method among the listed calcium measurement approaches uses atomic absorption spectroscopy?
Which condition is explicitly described as salt-losing nephropathy contributing to hyponatremia?
Ammonia constitutes what percent of total non-protein nitrogen (NPN)?
In Cushing's disease, what is the pattern for plasma cortisol, ACTH, and response to high-dose dexamethasone suppression test?
What is the heparin concentration in ABG collection per milliliter of blood?
In arterial blood gas sample handling, pH decreases by how much for every 20-minute delay?
Which pattern best describes the immediate/acute-phase response on electrophoresis?
Which hormone is primarily responsible for promoting glycolysis, cellular uptake, glycogenesis, and lipogenesis?
In the Hexokinase enzymatic glucose method, what activator is commonly used?
In ultracentrifugation, which lipoprotein resides in the topmost layer?
What is the primary purpose of antiglycolytic agents in blood specimens used for glucose testing?
Which method is the method of choice for continuous monitoring of ACP?
Delta checks in laboratory data are used to detect discrepancies between current and prior results in which two error categories?
Lead exposure inhibits enzymes involved in which essential process?
In the correlation of results, which expression defines the rate with respect to antigen concentration?
Which two drugs induce GGT?
What is the preferred specimen for most drug assays?
Which metabolite is the end product of dopamine metabolism?
Given magnesium’s role as a cofactor for over 300 enzymes, which statement best describes its impact?
Which apolipoprotein is predominantly distributed in HDL and has a structural role?
Which dye is used to stain lipoproteins?
Which test is used to assess stray light in spectrophotometers?
What is measured by a pCO2 electrode as CO2 is present in the sample?
What is the rule of CV acceptability in method validation?
What is the main action of oxytocin?
The upper limit value of the cytocentrifuge speed range is which of the following?
Which biomarker is the earliest enzyme elevated in acute myocardial infarction?
Which enzyme catalyzes the iodination and coupling steps forming MIT/DIT and T3/T4 during thyroid hormone synthesis?
Which support is used in thin-layer chromatography (TLC)?
Which term is one of the 5S principles in Lean manufacturing?
TBG levels depend on the levels of which substance?
Which speed value is exactly at the upper limit of 200-1000 rpm?
Type 3b diabetes involves defects in the exocrine pancreas.
Which non-protein nitrogen does not measure kidney function?
Mercury exists in three forms. Which option correctly lists these forms?
What is used as the screening test for growth hormone excess?
Which is the reference method for amylase determination?
Which two enzymes help distinguish bone from liver disease when ALP is increased?
Which statement correctly describes Metyrapone?
Which factor can cause a false positive blood bhCG result?
If the hydrogen ion concentration [H+] is 1 x 10^-3 M, what is the pH?
For osmolality testing, which specimen is described as the best?
Which of the following is a line source?
What is the reference range for urine amylase?
What is the blood to plasma ratio for therapeutic drug monitoring monitoring?
Which enzymes are typically elevated in a space-occupying lesion in the liver?
Whipple's triad of hypoglycemia includes which components?
What is a key difference between molality and molarity?
In venous access procedures using transillumination, the distance to the vein is typically about how many inches?
If solute volume is 4 mL and total volume is 20 mL, the dilution factor D equals
Which methods are used to measure sodium in the laboratory?
Which formula should be used to estimate osmolality when Na, Glucose, and BUN are expressed in mmol/L?
What is the reference range for the amylase:creatinine clearance ratio (SCUA)?
Which of the following is NOT listed as a cause of hypomagnesemia?
What blank is used to correct absorbance due to reagent color?
Which condition would increase the ionized fraction of calcium?
What is the most common point-of-care testing (POCT)?
Which two agents are listed as bronchodilators?
Which hormone is produced entirely within the thyroid gland?
Which electrolytes are designated for myocardial rhythm and neuromuscular excitability?
During IV sampling, how long should the IV be turned off and how much first sample should be discarded?
Which radioisotope is most commonly used in gamma counting and what is its approximate half-life?
ApoA1 main distribution and function?
Among lipoproteins, which carries the most triglycerides?
Which markers are used to monitor for recurrence after breast cancer treatment?
In males, LH stimulates which cells to produce which hormone?
In the standing plasma test, which finding indicates the presence of chylomicrons?
Which test differentiates neurogenic DI from primary polydipsia?
Which two instruments are used to quantify by precipitation of immune complexes?
Which medication is listed as a cause of normal anion gap metabolic acidosis (HARDASS)?
Which substrate is associated with the King-Armstrong method for alkaline phosphatase measurement?
Which protein remains negatively charged even in acidic pH?
Which BAC range corresponds to death?
Approximately how many grams does 1 milliliter of pure water weigh?
In a double-beam spectrophotometer, how many detectors are used and how many beam splitters are there?
In TLC, the retention factor (Rf) is calculated as which ratio?
In first-order enzyme kinetics, which statement is correct about limiting components?
What is the major cause of an outlier in assay results?
Which specimen uses EDTA among the listed items?
Anodic stripping voltammetry is used to detect which metals?
Which is the most potent male androgen?
Which enzyme is not typically used as a secondary marker for obstructive jaundice?
Which instrument is used to measure divalent ions and trace elements via photometric methods?
Which test is described as the SIADH diagnostic test in the material?
Which instrument is used for the colorimetric enzymatic cholesterol assay?
Which of the following is not one of the nutritional status markers listed?
What is the critical range for potassium?
In the Jaffe method, the kinetic improvement involves measuring absorbance at which?
Which are the forms of subacute thyroiditis?
Spectrophotometry measures what type of light?
Among the diurnal variation list, which hormone is highest in the morning?
Pronounced elevation of LD is defined as which multiple of the ULN?
Prolonged storage of a specimen tends to cause which primary change?
Gestational diabetes insipidus is caused by increased activity of which enzyme?
Lead exposure inhibits which enzymes involved in heme synthesis?
Which statistic is used to confirm precision?
What is the ADA pre-prandial glucose goal?
Which electrolyte is described as requiring fasting before measurement?
Which elements are classic examples of water-reactive chemicals?
Which laboratory parameter most directly indicates decreased hepatic synthetic function in cirrhosis?
Cushing's syndrome is also known as hyperadrenalism because it affects which adrenal zones?
Which of the following is an action of vitamin D?
Leucovorin rescue is used to rescue host cells when methotrexate is used.
What is the arterial puncture angle for the femoral site?
The MDRD equation for estimating GFR uses which variables?
Which lipoprotein is the most atherogenic lipid and the primary marker of coronary heart disease?
Peak plasma concentration timing for digoxin after oral administration is typically about how many hours?
Which hormone is higher in the late afternoon/PM due to diurnal variation?
Hypernatremia caused by decreased water intake is seen in which groups?
What is the process of testing and adjusting an analyzer's readout for correlation with a standard called?
McArdle disease is caused by deficiency of which enzyme?
Which element is associated with Minamata disease (mercury poisoning)?
In linear regression, the slope corresponds to which type of error?
Which is the best indicator of precision in a laboratory measurement?
Rank the ALP isoenzymes by heat stability from most to least stable.
Which lipoprotein density range is 0.93 to 1.006?
Inappropriate ACTH production refers to which condition?
Which apolipoprotein’s function includes acting as an LPL cofactor?
Diagnostic test for galactosemia measures activity of which enzyme in erythrocytes?
Which enzyme category uses ATP in its reaction?
Which protein is the primary carrier for basic drugs in plasma?
Panic values of hypoglycemia are defined as which plasma glucose levels?
What is considered a desirable VLDL level?
In a pH electrode, what is the typical material used for the measuring electrode's covering membrane?
Which posture change is associated with hemodilution?
Which hormone from the anterior pituitary stimulates the production of thyroid hormones?
What is the electrophoresis order of ALP isoenzymes from most anodic to least anodic?
Which substance increases in the blood as a result of cigarette smoke exposure?
Which medium is used for size-based separation in electrophoresis?
1 mole NaCl equals how many osmoles when dissolved in water?
What is the recommended fasting duration for triglycerides and lipoproteins?
Which plasma protein has the highest affinity for thyroxine (T4)?
The SI prefix corresponding to 10^2, as listed in the material, is which?
Glucose binds to which site on hemoglobin?
Which of the following is a laboratory method used to measure magnesium?
An oxytocin-producing tumor has been associated with which lung carcinoma type?
Which acids are graded as 2 in the laboratory severity scale?
Air exposure of a specimen tends to cause which combined change?
Which dye-binding reagent is specific but interfered by hemolysis and bilirubin?
Estimated total blood volume for a 70 kg adult is approximately?
What is the reference method for lipoprotein analysis?
Fluorometer sensitivity is how many times higher than that of a spectrophotometer?
Which combination of hormones originates from the skin and liver respectively?
Lipase levels in acute pancreatitis typically peak at about which time after onset?
In the Kober test for urinary estrogen, which reagent yields a pink color with sulfuric acid?
Sweat chloride analysis can be quantified by which two methods?
Stray light is tested using which instrument component?
Which additive is commonly used to prevent glycolysis in samples for glucose testing?
Which calcium measurement method is categorized as colorimetric?
Compared to a weak acid, a strong acid has what pKa value?
Prolonged bedrest decreases which serum protein?
Which sequence correctly expands the PDCA cycle?
Which statement about random errors is true?
What is the prohormone of thyroglobulin?
What percentage of testosterone is bound to SHBG?
What is the normal RAIU uptake at 24 hours?
Normal phase HPLC is characterized by what?
GDM is screened during which gestational window?
Which test differentiates neurogenic DI and primary polydipsia from nephrogenic DI?
Which of the following is NOT a type of luminescence listed in the material?
In progressive liver disease, which hepatic function tends to decline last?
Nonfasting lipid analysis is acceptable for two analytes. Which pair are these two?
Panic values for pCO2 are at which values?
What are the three major electrolytes for osmolality (distinct from osmolarity)?
Which instrument is used to measure NADPH in the reference method?
Which set of changes is characteristic of uremia?
Glucose decreases per hour under room temperature conditions?
A BUN-to-creatinine ratio less than 10:1 is typically seen in which scenarios?
For every 1°C increase in temperature, the multiplying factor for pCO2 is:
Hypoxanthine Guanine Phosphoribosyl Transferase is associated with the conversion of uric acid to which compound?
What are the two general methods for triglyceride measurement?
Which components are used to calculate calculated osmolality?
Which method is used to determine total protein concentration using dye binding?
Bisalbuminemia can lead to which clinical implication?
Which method for glucose measurement uses hexokinase?
In assessing CRP for CHD and stroke risk, how should samples be measured?
The instrument principle used to determine oxygen saturation (O2SAT) in ABG analysis is:
Which speed value is exactly at the lower limit of 200-1000 rpm?
Which of the following is a major risk factor that modifies LDL goals?
Which of the following is a fully synthetic opiate?
Which of the following is NOT a CHIMPS cause of hypercalcemia?
Potassium concentration is approximately how many times higher inside cells than in extracellular fluid?
In a premenopausal woman, which estrogen is predominantly produced?
Which enzyme marker is most commonly used to indicate hepatobiliary obstruction?
Which option is NOT a method of amylase determination?
Which of the following is listed as an additional hypernatremia cause?
In the 1-step GDM diagnostic method using a 75 g load, what are the thresholds for fasting, 1-hour, and 2-hour glucose?
Which apolipoprotein is predominantly distributed in HDL, chylomicrons, and acts as a LCAT activator?
Which of the following is a substrate for horseradish peroxidase (HRP) in luminescent assays?
In the Reinsch test, which color indicates mercury?
Which dye-binding reagent is most specific and precise for albumin measurement?
Which marker is used to detect cerebrospinal fluid leakage?
How often should semi-automated micropipettors be calibrated?
Which term describes the migration of large ions in electrophoresis?
Post-prandial ADA glucose goal is below what value?
What is the critical range for magnesium?
In Friedewald estimation, VLDL in mg/dL is calculated as TAG divided by what factor?
Which enzyme is commonly elevated in acute hepatitis?
Density of B-VLDL is similar to which lipoprotein?
What is the product of inner deiodination of T4?
Which laboratory method is used to detect urinary estrogen via a color reaction and yields pink on a positive result?
Radio waves have wavelengths greater than 1 centimeter.
LD6 (Alcohol dehydrogenase) is associated with which condition?
On semilogarithmic paper used in spectrophotometry, what is plotted on the y-axis?
Which vitamin is notably sensitive to light and should be protected from light during handling?
Which marker is used as an obesity marker in the material provided?
A patient specimen shows increased pCO2, decreased pO2, and decreased pH. This pattern is most consistent with:
Potassium levels in ectopic Cushing syndrome are typically:
In congenital adrenal hyperplasia, what hormonal pattern is typically observed?
Which term describes proteins that contain a non-protein prosthetic group?
Which ALP isoenzyme resists heating at 65°C for 30 minutes?
What are two common methods for measuring enzyme activity?
Indirect estimation of the free T4 in the blood is known as which index?
Lucey-Driscoll Syndrome is due to which mechanism?
What percentage of cholesterol is endogenous (liver) according to the material?
Linearity of the instrument is checked using which materials?
In the simplified quality scheme, QA is applied to how many analytic areas?
In a Water Loading Test with 20 mL/kg ingestion, what is the normal urine response?
Which of the following is a cause of hypokalemia due to gastrointestinal loss?
Which type of error affects accuracy?
130 mmol/L sodium is associated with the onset of hypokalemia due to renal threshold. Which option reflects this level?
In Beer's Law, if the concentration doubles and the absorptivity and path length remain constant, what happens to absorbance?
Which HDL-C value is considered Desirable?
Gc-Globulin is also known as which protein?
Which parameter best reflects overall patency of bile flow?
In flame photometry, which color corresponds to potassium emission?
What happens to glucose concentration if a serum sample is stored at room temperature?
In a Lineweaver–Burk plot, a competitive inhibitor shows which change in Vmax and Km?
What density and duration are used in ultracentrifugation for HDL-C isolation?
NDML stands for neonatal diabetes mellitus.
Which condition shows TSH normal, FT4 normal, TT3/TT4 high, and T3 uptake low due to high thyroid-binding globulin?
Which luminescence technique uses ruthenium tris chelate as a substrate?
Which statement identifies the least effective compensation for metabolic alkalosis?
By what factor does BUN convert to urea?
In the Porter-Silber test for hydroxycorticosteroids, what color is produced when DNPH is used?
Panic values for bicarbonate (HCO3) are at which levels?
Which of the following is a storage function of the liver?
What are the two specimens typically used for osmolality determination?
Normal anion gap is influenced by which serum constituent according to the material?
Which of the following is NOT listed as a common interference in Trinder-type glucose assays?
Which marker is used postoperatively to monitor thyroid cancer?
Macroenzymes have a higher half-life because they are less excreted in the urine. Which statement is true?
Which drug is used to treat hyperuricemia by inhibiting xanthine oxidase?
Which two proteins serve as markers for CSF?
The nitrogen content of protein is approximately what percent?
An LDL-C of 150 mg/dL falls into which category?
What is the major cause of a shift in assay results?
Which immunoassay for thyroxine testing is indirectly proportional?
For therapeutic drug monitoring, which methods are used for screening and confirmatory testing?
Neonatal jaundice is noted at how many days of life?
Which hormone is part of the FLAT acronym for anterior pituitary tropic hormones?
Which pipet is described as the most used transfer pipet in the laboratory?
Elevated AFP in maternal serum screening is most commonly associated with which condition?
Which are the three steps in iron determination from transferrin?
Which term describes the migration of small ions during electrophoresis?
In congenital adrenal hyperplasia due to 17α-hydroxylase deficiency, which metabolite is reported as high?
In a basal fasting state, which analyte is commonly measured to assess carbohydrate metabolism?
In Asia-Pacific BMI categories, obesity is defined as BMI greater than:
Which condition best corresponds to primary hypergonadism?
Which metal is associated with two diseases named Pink disease and Minamata disease?
In HDL-C measurement using precipitation or immunoassay capture, which component is targeted for removal or binding?
Which condition causes a rightward shift of the simplified oxyhemoglobin dissociation curve?
What is described as the most common quality management framework?
Bilirubin oxidase method measures decreased absorbance at which wavelength range?
What percentage of T3 is produced directly by the thyroid gland?
In skeletal muscle, which marker is most abundant according to the given abundance order CK1 > AST > Aldolase > LD4,5?
Renal or post-renal azotemia is suggested by which pattern of BUN and creatinine?
What type of study is used to verify the accuracy of a new analytical method against a reference method?
Among proteins, which lipoprotein is most abundant?
In spectrophotometry, what is the purpose of a reagent blank?
Which lipase assay uses colorimetric detection with glycerol kinase and peroxidase?
In the sodium level table, which condition is associated with high sodium?
What is the reference method and substrate for ACP measurement?
In the ALT assay using pyruvate, what is the reaction product?
In the diaphorase method for enzymatic glucose measurement, the colorimetric product is which color?
Which drugs are considered first-generation antiepileptics that require therapeutic drug monitoring?
The half-life of delta bilirubin is approximately how long?
What color does the oxidized chromogen quinoneimine impart in Trinder-type assays?
Appearance corresponding to triglyceride level around 350 mg/dL?
Base ideal body weight used in Cockcroft-Gault for male and female before height adjustments is?
Which distribution accurately describes magnesium in plasma?
Which of the following is also an indication for arterial puncture?
Which dye is used in calcium dye-binding method besides CPC?
Which lipoprotein has endogenous triglycerides as its major component?
If K2EDTA is collected before serum or a light-blue tube, which tests are erroneous?
What is the formula for percent transmittance in spectrophotometry?
In a standard curve used for quantitative analysis, what is plotted on the X axis and Y axis?
Which hormone from the anterior pituitary stimulates milk production?
The SI prefix for 10^18 is which of the following?
Renal threshold for sodium excretion is typically between which values?
HDL precipitation requires triglyceride levels to be below what value for efficiency?
Kernicterus risk is associated with bilirubin levels exceeding what value?
Which pairing correctly matches triglyceride appearance with approximate level?
For artifactual or pseudohyperkalemia, which factor is a common laboratory cause?
In the refrigerator test pattern, which observation corresponds to No CLOT and Clear Plasma with Increased B band (Pattern 2a)?
If 10% contamination with 5% dextrose occurs, the glucose reading can increase by how many mg/dL?
Which lipoprotein is characterized by cholesterol being greater than protein as its major component?
Mild elevation is defined as which range of ULN multiples?
In Tyrosinemia Type II, deficiency of which enzyme?
Which statement correctly describes the percent liver damage for hepatitis and cirrhosis?
For transaminase elevations, acute hepatitis and liver necrosis reach what multiple of ULN?
What is the standard deviation index (z score) formula used in the lab?
Electroendosmosis causes the gamma globulin band to migrate toward which electrode during electrophoresis?
Which hormone acts as a negative feedback signal to inhibit growth hormone secretion?
Which chloride determination method uses coulometry-amperometry?
Euthyroid with high TBG occurs in which situations?
What is the standard tool used to assess random error in determination?
Panic pO2 value is at or below which threshold?
Which of the following is a correct pairing described in the notes?
An SDI value of 2.5 indicates poor performance.
In beta quantification, ultracentrifugation is used to remove which lipoproteins?
Which pair of diseases is associated with alpha-1 antitrypsin deficiency?
Which Fredrickson Type corresponds to familial hypercholesterolemia due to LDL receptor defect (high LDL and total cholesterol)?
Approximately what percentage of testosterone is free in plasma?
Which counter type is typically used for gamma-emitting isotopes like I-125 and I-131?
Which Fredrickson type is most common?
In galactosemia, which enzyme deficiency is most common?
Which apolipoprotein is distributed in CM, VLDL, and HDL and has a structural role?
What is the most common visible light source?
Which minerals are involved in production and use of ATP from glucose?
Macroenzyme 2 is bound to what?
Which statement describes the direct method for osmometry?
Which form of mercury is primarily considered an environmental pollutant?
Which element has an atomic weight of about 40?
Which protein is NOT listed as one of the alpha-1 globulins in the material?
Which term indicates the concentration change resulting from dilution with solvent?
Bioavailability is defined as the ratio of drug absorbed from the administered dose.
Which lipoprotein has the lowest triglyceride content?
Which molecule is the other organic coenzyme listed besides NAD/NADH?
In brain tissue, which marker is more abundant: CKBB or Aldolase C?
Which copper reduction method is most commonly used in glucose measurement?
In hyperlipoproteinemia with high VLDL, which plasma appearance is typical?
Which lipoprotein is the second most atherogenic?
Which electrolytes are designated for volume and osmotic regulation?
In fluorescence polarization immunoassay, polarization is inversely related to the analyte concentration.
Which two methods are used for transaminase determination?
Enzyme denaturation is usually observed at which temperature range?
The CDC method for HDL-C includes three processes: Ultracentrifugation, precipitation by heparin-manganese, and which method?
In flame photometry, which color corresponds to copper emission?
In the placenta's trimester-specific production, which hormone is primarily produced during the second trimester?
What is the reference method for HbA1c measurement?
In nutritional status assessment, which sequence correctly orders the markers from highest to lowest as listed?
The De Ritis ratio represents the relative activities of which two liver enzymes?
Oxyhemoglobin is corrected by determining its absorbance at which wavelength?
Which of the following is an example of a precipitating media used in HDL-C methods?
Severe diarrhea is associated with chloride levels that are:
From most anodal to least, what is the order of amylase isoenzyme mobility?
Which range defines Borderline High triglycerides?
Which method is a colorimetric method for chloride determination?
Which of the following are recognized contributors to potassium loss (LESS K)?
Which patient preparation is recommended for catecholamine testing?
Which mnemonic stands for 'Sodium in, potassium out'?
Which is described as the second vital buffer in the blood, acting as the principal buffer of red blood cells?
Which tests are used to evaluate subclinical or subacute hyper- or hypothyroidism?
Which process cycle is used in Six Sigma methodology?
Normal arterial pO2 range is:
Which combination represents the 4Fs risk factors for liver disorders?
If TAG is high, LDL-C is determined using which method?
Pituitary adenoma size is defined as microadenoma or macroadenoma. A microadenoma is defined as less than how many centimeters?
Which method is preferred for HbA1c determination?
What is commonly used as the basis to identify a solute in GC/HPLC?
Which antigens are referred to as oncofetal antigens?
The post-postanalytical phase covers which activity?
Marker for bone formation
Which rpm falls within the cytocentrifuge speed range of 200-1000 rpm?
Which two gonadotropins are most commonly assessed together as part of fertility evaluation?
How is molarity defined?
Polarography and amperometry differ in that polarography measures current at which condition?
Which of the following is listed as an amphetamine-like substance?
Which trisomy is NOT typically associated with decreased AFP in maternal screening?
Which molecule mediates cell adhesion and is involved in wound healing?
Which two analgesics listed do not require therapeutic drug monitoring?
In the reference method described, what is the substrate used?
Which anticoagulant is used for enzyme testing?
In electrophoresis isoenzyme numbering, which isoenzyme is the fastest migrating?
Which Aldolase isoenzyme is primarily located in brain tissue?
Cori disease (Type IIIa) is due to deficiency of which enzyme?
First abnormality and recovery seen in hyperthyroidism is which index?
Hemolysis can cause falsely elevated potassium in a sample because:
Inverted A:G ratio is significant in which condition?
Postprandial glucose normalizes after how many hours following a meal?
In the enzymatic method for non-protein nitrogen, most components are measured by a decrease in absorbance at which wavelength?
What color is produced by the Jaffe reaction when creatinine reacts with the Jaffe reagent?
Which apolipoprotein acts as an inhibitor of lipoprotein lipase (LPL)?
What is the gold standard test for confirming growth hormone deficiency?
In the Biuret reagent, which base is used?
Which two anterior pituitary hormones act as insulin antagonists?
What is unique about scintillation counting compared with other luminescence methods?
Which material is used as the chloride-selective membrane in ion-selective electrodes?
In the ferric reduction method, what color is the product formed after reaction with glucose?
Six Sigma is applied primarily to achieve what?
Which additive is used in coagulation testing tubes?
Which method is described as a reference method for HbA1c testing?
To diagnose diabetes, HbA1c must be at least what value on two occasions?
Indirect calculation of LDL-C becomes inaccurate when TAG exceeds which value?
What is the recommended lancet length for newborns?
What is the recommended cuff pressure to use as a tourniquet during venipuncture?
Dissolved CO2 in blood (H2CO3) is calculated as:
Which chromatography form uses a stationary phase in a column?
Which LD isoenzymes decrease when stored at 4°C?
In CLSI terminology, Type III water is used as Autoclave wash water.
In primary hypothyroidism, which pattern best matches TSH, FT4, TT3/TT4, and T3 uptake?
Which compound is used to calculate bicarbonate in the anion gap calculation described?
The T-test formula described uses the difference between means as its numerator. Which expression represents this?
In electrophoresis scatter, which pattern is associated with small particles?
The limit of detection for CLIA is expressed as zeptomoles, equal to which exponent?
Which metric is defined as TP divided by (TP plus FN)?
Which markers are associated with hepatic detoxification function?
Which is an indication for arterial puncture?
Type 3c diabetes involves loss of pancreatic polypeptides.
In hyperlipoproteinemia, which plasma appearance is associated with high chylomicrons (CM)?
Which carcinoplacental alkaline phosphatase isoenzyme is inhibited by phenylalanine?
Which lipoprotein has the lowest cholesterol content?
Hypoprogesteronemia is associated with which outcome?
Which enzyme hydrolyzes triglycerides in circulating lipoproteins?
Creatinine constitutes what percent of NPNs?
Which pipet category does not require calibration?
Which ALP isoenzyme is most resistant to heating at 65°C for 30 minutes?
Parkinson's disease has been linked to exposure to which trace element?
What is another name for fluorometry?
Which value represents the acceptable total error for triglyceride measurements under NCEP guidelines?
Drug metabolism occurs primarily in which organ?
Hyponatremia due to increased water retention is commonly associated with which condition?
Which bone houses the pituitary gland?
Which reagent is used in the Zimmerman test for 17-ketosteroids?
In acute pancreatitis, amylase typically peaks at approximately how many hours after onset?
Liquid excess anticoagulant effect leads to which change?
Which drug is a second-generation antiepileptic that does not require therapeutic drug monitoring?
For whole blood, which approach can be used with slight modifications (pre-wetting first)?
What is the upper limit of the normal osmolal gap (mOsm/kg)?
Which micropipettor uses suction to draw liquid into the tip?
Which of the following is an example of a centrifugal analyzer?
Which support is traditionally used in paper chromatography?
What is the product formed in the phosphate determination using the Fiske Subbarow method?
Which compound is primarily produced as an androgen by the adrenal cortex?
Normal arterial pH range is:
Capillary electrophoresis is best associated with which separation mechanism?
Which unit would you expect to see for cytocentrifuge speed in a protocol?
In questions, a highly sensitive and specific method is referred to as which type of method?
Which lipoprotein has exogenous triglycerides as its major component?
Which ISO standard applies to clinical laboratories?
Which of the following is an essential amino acid?
For most drugs in therapeutic drug monitoring, what is the preferred specimen?
In time-domain detection of a double-beam spectrophotometer, how many detectors and choppers are used?
Amiodarone is classified as which type of antiarrhythmic?
Which tumor increases AFP only?
What is the reference range for TSH?
What is the ideal measurement time after collection for chemistry assays?
What term describes the integration of chemistry and immunoassay in modern analyzers?
The T-test formula used here uses which numerator?
Acid cleaning solutions contain which compound in concentrated sulfuric acid?
Which statistic is used to confirm accuracy?
In kidney disease, BUN is high in blood and high in urine; in liver disease, BUN is low in blood with a BUN ratio less than 10:1.
Which analyte increases in the supine posture due to fluid shifts?
Which of the following is a known contributor to hyperkalemia?
In acidemia (acidosis), what happens to ionized calcium?
For impedance method of aspirin analysis, which anticoagulant is recommended?
Which of the following is included as a measured analyte in a Basic Metabolic Panel?
Which Aldolase isoenzyme is found mainly in white blood cells, liver, and kidney?
What is the color observed in the standard alkaline phosphatase colorimetric method?
If early screening in pregnancy is negative for GDM, when is glucose testing repeated?
Which of the following is a recognized class of enzymes?
Spectroscopy is categorized into two main groups. Which list correctly pairs examples for emission and absorption methods?
Which statement correctly contrasts polyclonal and monoclonal gammopathy?
Bisalbuminemia and analbuminemia are inherited in which pattern?
Which markers are used to monitor breast cancer therapy?
Which of the following specimens is preferred for osmolality measurements?
What color indicates the endpoint in the described precipitation/dye separation method?
Which of the following is a direct expression of Beer's Law relating absorbance to concentration and path length?
Which tumor increases hCG only?
ApoA4 main distribution and function?
Which item from the HARDASS mnemonic is a drug that can contribute to normal anion gap metabolic acidosis when given?
Which ratio is used to test for patency of the liver?
For which tube type is the inversion exception 5 times?
Which of the following is an action of Angiotensin II?
Increased breakdown of albumin is seen in which condition?
What is the preferred duration for sitting or supine lying during phlebotomy?
In acute diarrhea, sodium is typically:
Which reagent is used to stain CSF for protein analysis in electrophoresis?
D and L enantiomers are based on which carbon's hydroxyl group?
The Martin-Hopkins method estimates VLDL using which approach?
Phosphate is usually measured as which form?
A photodetector converts energy from which form to electrical energy?
A prediabetes risk factor includes a body mass index of 25 kg/m2 or higher.
In the D/L designation, the D form corresponds to the OH group on the penultimate carbon pointing to the:
Which urinary metabolite of cortisol is detected using the Porter-Silber Method with 2,4-DNPH and yields a positive yellow reaction?
Which method is used as the reference method for enzymatic glucose measurement because it does not use hexokinase?
Beta-gamma bridging due to IgA is associated with which condition according to the material?
TD pipets are calibrated with which liquid?
Which of the following is a naturally occurring opiate?
In ectopic Cushing syndrome, what is the pattern for cortisol, ACTH, and high-dose dexamethasone suppression test?
In the Walker/Karmen method for AST determination, which substrate is used by the enzyme (MDH)?
Which method is described as cheap but insensitive for urea determination?
Which chemical inhibitor inhibits Bone and Liver isoenzymes?
Which of the following lists the two methods of lactate determination described?
Which stopping agent is used in the Jendrassik Groff method?
Which equation correctly represents the Lineweaver-Burk plot for enzyme kinetics?
What term describes the amount of solute in a given amount of solution?

Clinical Chemistry Numericals Practice Test

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