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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. This wavelengths is within the ultraviolet rang.






2. Alkaline phosphatase Slight increase - Aminotransferase Marked increase - Aspartate aminotransferase Marked increase - Alanine gamma-glutamyl transferase Slight increase






3. 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






4. What specimen preparation is commonly used to perform the alkaline phosphatase isoenzyme determination?






5. In familial hypercholesterolemia - the hallmark finding is an elevation of...






6. The buffer pH most effective at allowing amphoteric proteins to migrate toward the cathode in an electrophoretic system would be...






7. This diseases results from a familial absence of high-density lioprotein






8. This method employs a highly specific antibody to thyroxine






9. This is a glycolytic enzyme that catalyzes the cleavage of fructose-1 - 6-diphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate






10. The formula for calculating the amount of moles of a chemical?






11. To ensure an accurate ammonia level result - the specimen should be...






12. Amino acid associated with a sulfhydryl group






13. A breakdown product of hemoglobin is...






14. Measurement of the serum acid phosphatase is used to detect neoplastic disease of the...






15. 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...






16. This would be an example of a glucose-specific colorimetric method






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






18. A patient has the following results: Patient Values : Reference Values: Serum iron 250 ug/dL 60-150 ug/dL TIBC 350 ug/dL 300-35O ug/dL The best conclusion is that this patient has...






19. On immunoassays using enzyme-labeled antibodies or antigens: ___________ can be carried out with a spectrophotometer






20. A test request slip indicates that an acute porphyric attack is suspected clinically. Analysis should include...






21. Serum anion gap is increased in patients with...






22. A reciprocal relationship exists between...






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






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






25. An electrode has a silver/silver chloride anode and a platinum wire cathode. It is suspended in KCl solution and separated from the blood to be analyzed by a selectively permeable membrane. Such an electrode is used to measure...






26. In spectrophotometric determination - this is the formula for calculating the absorbance of a solution






27. Major actions of angiotensin II include...






28. 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...






29. Thiis serum protein fraction is most likely to be elevated in patients with nephrotic syndrome?






30. Upon completion of a run of cholesterol tests - the technician recognizes that the controls are not within the two standard deviations confidence range. What is the appropriate course of action






31. The direction in which albumin migrates (ie - toward anode or cathode) during electrophoretic separation of serum proteins - at pH 8.6 - is determined by...






32. A patient has signs and symptoms suggestive of acromegaly. The diagnosis would be confirmed if the patient had...






33. The nanometer is a measurement of...






34. A chemiluminescent EIA...






35. In the assay of lactate dehydrogenase - this product is actually measured






36. TSH is produced by the...






37. Given the following values:100;120;150;140;130;What is the mean?






38. The Henderson-Hasselbalch equation






39. Amniotic fluid submitted for a lecithin/sphingomyelin (US) ratio has been left in a brown container since the night before. You would expect...






40. A thick white turbid specimen was received in the laboratory labeled as pericardial fluid. A microscopic examination was performed - and the differential included 90% PMNs. The fluid is...






41. This hemoglobin has glucose-6-phosphate on the amino-terminal valine of the beta chain?






42. The anion gap is useful for quality control of laboratory results for...






43. The following laboratory results were obtained on arterial blood: Sodium 136 mEq/L pH 7.32 Potassium 4.4 mEq/L PCO2 79 mm Hg Chloride 92 mEq/L Bicarbonate 40 mEq/L These results are most compatible with...






44. A carbonate salt used to control manic-depressive disorders is...






45. Coulometry is used to measure...






46. Pregnant women with symptoms of thirst - frequent urination - or unexplained weight loss should have this test performed?






47. Scurvy is associated with deficiency of...






48. In performing a spinal fluid protein determination - the specimen is diluted 1 part spinal fluid to 3 parts saline to obtain a result low enough to measure. To calculate the protein concentration the result must be...






49. Serum and urine copper levels are assayed on a hospital patient with the following results: Patient Serum Cu: 58 ug/dL; Reference Value:70-140 ug/dL Patient Urine Cu: 83 ug/dL ; Reference Value: < 40 ug/dL This is most consistent with...

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50. Regan isoenzyme has the same properties as alkaline phosphatase that originates in the...