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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 diseases results from a familial absence of high-density lioprotein






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






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






4. A chemiluminescent EIA...






5. A potentiometric electrode that measures an analyte that passes through a selectively premeable membrane and rapidly enters into an equilibrium with an electrolyte solution is...






6. A patient with hemolytic anemia will...






7. Given the following results: Alkaline phosphatase Marked increase Aminotransferase Slight increase Aspartate aminotransferase Slight increase Alanine gamma-glutamyl transferase Marked increase This is most consistent with...






8. Rickets is associated with deficiency of...






9. When taken by a euthyroid individual - oral contraceptives containing estrogens will have this effects on the thyroid function studies






10. Most most likely to be ordered in addition to serum calcium to determine the cause of tetany?






11. The unit of measure for a standard solution is...






12. This enzyme substrates for prostatic acid phosphatase determination results in the highest specificity






13. The test for adrenal cortical hyperfunction that has the greatest diagnostic sensitivity is measurement of...






14. Serum concentrations of vitamin B12 are elevated in...






15. A blood gas sample was sent to the lab on ice - and a bubble was present in the syringe. The blood had been exposed to room air for at least 30 minutes. The following change in blood gases occurred...






16. This elevates carboxyhemoglobin?






17. 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






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






19. A serum potassium is 19.5 mg/100 mL. This value is equal to how many mEq/L (MW of K = 39)?






20. The reason carbon monoxide is so toxic is because it...






21. One means of checking a spectrophotometer wavelength calibration in the visible range is by using a...






22. Serum haptoglobin...






23. Upon development of a thin layer chromatogram for the drug analysis - all drug spots (including the standards) had migrated with the solvent front. The most probable cause for this would be...






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






25. The methodology based on the amount of energy absorbed by a subtance as a function of its concentration and using a specific source of the same material as the substance analyzed is...






26. This is a characteristic shared by lactate dehydrogenase - malate dehydrogenase - isocitrate dehydrogenase - and hydroxybutyrate dehydrogenase?






27. 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...






28. The most widely employed screening technique for drug abuse is...






29. A patient with glomerulonephritis would present the following serum results...






30. High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?






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






32. The most specific enzyme test for acute pancreatitis is...






33. A true statement about high performance liquid chromatography (HPLC) is that it...






34. Specimens for blood gas determination should be drawn into a syringe containing...






35. The presence of this isoenzymes indicates acute myocardial damage






36. In the fasting state - the arterial and capillary blood glucose concentration varies from the venous glucose concentration by approximately how many mg/dL?






37. Hydrogen ion concentration (pH) in blood is usually determined by means of these electrodes?






38. 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...






39. In monitoring glomerular function - this test has the highest sensitivity






40. A blood gas sample was sent to the lab on ice - and a bubble was present in the syringe. The blood had been exposed to room air for at least 30 minutes. The following change in blood gases occurred...






41. Isoenzyme assays are preformed to improve...






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






43. The most sensitive enzymatic indicator for liver damage from ethanol intake is...






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






45. Maple syrup urine disease is characterized by an increase in this urinary amino acids






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






47. At a pH of 8.6 the gamma globulins move toward the cathode - despite the fact that they are negatively charged. What is this phenomenon called?






48. The most widely used support medium for electrophoretic separation of lipoproteins is...






49. Most chemical methods for determining total protein utilize this reaction?






50. The Porter-Silber method (phenylhydrazine in alcohol and sulfuric acid) involves which part of the steroid molecule?







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