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Chemistry Certification

Subject : certifications
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Regan isoenzyme has the same properties as alkaline phosphatase that originates in the...






2. Bioavailability of a drug refers to the...






3. The following results were obtained in a creatinine clearance evaluation: Urine concentration 84 mg/dL Urine volume 1440 mL/24 hr Serum concentration 1.4 mg/dL Body surface area 1.60 m2 (average = 1.73 m2) The creatinine cle~trance in mL/min is...






4. After a difficult venipuncture requiring prolonged application of the tourniquet - the serum K+ was found to be 6.8 mEq/L. The best course of action is to...






5. The expected blood gas results for a patient in chronic renal failure would match the pattern of...






6. In the Jaffe reaction - creatine reacts with...






7. A common cause of respiratory alkalosis is...






8. The T3 resin uptake test is a measure of...






9. The presence of this isoenzymes indicates acute myocardial damage






10. Certain enzymes are activated to metabolize drugs as a result of another drug action. This is referred to as...






11. A technician is asked by the supervisor to prepare a standard solution from the stock standard. What is the glassware of choice for this solution?






12. In a double-beam photometer - the additional beam is used to...






13. This calcium procedure utilizes lanthanum chloride to emliminate iterfering substances






14. An automated method for measuring chloride that generates silver ions in the reaction is...






15. The biuret reaction for the analysis of serum protein depends on the number...






16. Detection of carriers of hereditary coproporphyria should include analysis of...






17. The greatest activities of serum AST and ALT are seen in...






18. In competitive inhibition of an enzyme reaction the...






19. Coulometry is used to measure...






20. Acidosis and alkalosis are best defined as fluctuations in blood pH and CO2 content due to changes in...






21. In automated methods utilizing a bichromatic analyzer - dual wavelengths are employed to...






22. When separating serum proteins by cellulose acetate electrophoresis using veronal buffer at pH 8.6 - beta globulin migrates...






23. This elevates carboxyhemoglobin?






24. The following bilirubin results are obtained on a patient: Day 1: 4.3 mg/dL Day 4: 2.2 mg/dL Day 2: 4.6 mg/dL Day 5: 4.4 mg/dL Day 3: 4.5 mg/dL Day 6: 4.5 mg/dL - Given that the controls were within range each day - what is a probable explanation for






25. An electrophoretic separation of lactate dehydrogenase isoenzymes that demonstrates an elevation in LD-l and LD-2 in a "flipped" pattern is consistent with...






26. Unless blood gas measurements are made immediately after sampling - in vitro glycolysis of the blood causes a...






27. A 45-year-old woman complains of fatigue - heat intolerance - and hair loss. Serum thyroxine and 125I-T3 resin uptake are abnormally low. What test would confirm that this is a pituitary deficiency?






28. The main reason for suboptimal drug levels in therapeutic drug monitoring is...






29. Assay of transketolase activity in blood is used to detect deficiency of...






30. A fasting serum sample from an asymptomatic 43-year-old woman is examined visually chemically with the following results: Initial appearance of serum: Milky Appearance of serum after overnight refrigeration: Cream layer over turbid serum Triglyceri






31. Serum haptoglobin...






32. In thin layer chromatography - the Rf value for a compound is given by the...






33. A common cause of a falsely increased LD1 fraction of lactic dehydrogenase is...






34. Blood was collected in a serum separator tube from a patient who had been fasting since midnight. The time of collection was 7:00 AM. The laboratory test that should be re-collected is...






35. A 68-year-old man arrives in the emergency room with a glucose level of 722 mg/dL and serum acetone of 4+ undiluted. An arterial blood gas from this patient is likely to indicate...






36. The most heat labile fraction of alkaline phosphatase is obtained from...






37. The stimulant that causes localized sweating for the sweat test is...






38. An automated CK assay gives a reading that is above the limits of linearity. A dilution of the serum sample is made by adding 1 mL of serum to 9 mL of water. The instrument now rew 350 U/L. The correct report on the undiluted serum should be...






39. Stray light can be detected in a spectrophotometer by utilizing a...






40. Oligoclonal bands are present on electrophoresis of concentrated CSF and also on concurrently tested serum of the same patient. The proper interpretation is...






41. The normal concentration of proteins in cerebrospinal fluid - relative to serum protein - is...






42. A stool specimen that appears black and tarry should be tested for the presence of...






43. The identification of Bence Jones protein is best accomplished by...






44. Testing for the diagnosis of lead poisoning should include...






45. A critically ill patient becomes comatose. The physician believes the coma is due to hepatic failure. The assay most helpful in this diagnosis is...






46. The formation of estriol in a pregnant woman is dependent on...






47. Fluctuation of the needle on a coulometric type titrator is most probably due to...






48. This method employs a highly specific antibody to thyroxine






49. This serum protein migrates with the beta-globulins on cellulose acetate at pH 8.6...






50. In developing the reference for a new EIA for CEA - the range for the normal population was broader than that published by the vendor. Controls are acceptable with a narrow coefficient of variation. This may be explained by...