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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. A serum sample for acid phosphatase determination is best prepared for room temperature storage by...






2. An emphysema patient suffering from fluid accumulation in the alveolar spaves is likely to be in what metabolic state?






3. Quantitation of NA+ and K+ by ion-selective electrode is more rapid than flame photometry because...






4. 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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5. The enzyme that exists chiefly in skeletal muscle - heart - and brain; is grossly elevated in active muscular dystrophy; and rises early in myocardial infarction is...






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






7. The first step to be taken when attempting to repair a piece of electronic equipment is...






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






9. The following data were obtained on amniotic fluid from a gestation of 36 weeks' duration by menstrual dates: L/S = 2 Phosphatidyl glycerol not present This can be concluded from these data?






10. The serum glucose concentration of a diabetic patient undergoing a 2-hour glucose tolerance test should return to the baseline (fasting level) after a minimum of...






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






12. A pH of 7.0 represents a H+ concentration of...






13. The protein portion of an enzyme complex is called the...






14. Isoenzyme assays are preformed to improve...






15. The different water content of erythrocytes and plasma makes true glucose concentrations in whole blood a function of the...






16. Malic dehydrogenase is added to the aspartate aminotransaminase (AST) reaction to catalyze the conversion of...






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






18. The osmolal gap is defined as measured Osm/kg minus the calculated Osm/kg. The average osmolal gap is near...






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






20. The enzyme present in almost all tissues that may be separated by electrophoresis into five components is...






21. This disease is associated with the greatest elevation of lactate dehydrogenase isoenzyme 1?






22. This method offers the greatest sensitivity for HBsAg testing






23. The general types of interference in atomic absorption spectrophotometry...






24. This elevates carboxyhemoglobin?






25. A 9-month-old boy from Israel has gradually lost the ability to sit up and develops seizures. He has an increased amount of a phospholipid called GM2-ganglioside in his neurons - and he lacks the enzyme hexosaminidase A in his leukocytes. These findi






26. This is a regulatory hormone.






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






28. The method of choice for diagnosis of a protracted attack of porphyria is...






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






30. The following data were obtained from a cellulose acetate protein electrophoresis scan: Albumin area 75 units Gamma globulin area 30 units Total area 180 units Total protein 6.5 g/dL The gamma globulin content in g/dL is...






31. Scurvy is associated with deficiency of...






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






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






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






35. The buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and...






36. The following five sodium control values (mEq/L) were obtained:140 - 135 - 138 - 140 - 142Calculate the coefficient of variation.






37. A new method is being evaluated. A recovery experiment is performed with the following results: 0.9 mL serum sample + 0.1 mL H20 = 89 mEq/L 0.9 mL serum sample + 0.1 mL analyte std. @ 800 mEq/L = 161 mEq/L The percent recovery of the added analyt






38. In using ion-exchange chromatographicbmethods - falsely increased levels of Hgb A1c will be demonstrated in presence of...






39. In the sweat test - the sweating stimulant is introduced to the skin by application of...






40. Kernicterus is an abnormal accumulation of bilirubin in...






41. Estrogen and progesterone receptor assays are useful in assessing prognosis in...?






42. In the liver - bilirubin is converted to...






43. Technical problems encountered during the collection of an amniotic fluid specimen caused doubt as to whether the specimen was amniotic in origin. This procedure would establish that the fluid is amniotic in origin






44. 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...






45. Phenobarbital is a metabolite of...






46. Magnesium carbonate is added in an iron binding capacity determination in order to...






47. The primary function of serum albumin in the peripheral blood is to...






48. The relative migration rate of proteins on cellulose acetate is based on...






49. A patient with malabsorption receives 25 g of d-xylose orally; during the subsequent 5-hour period - the urine excretion of d-xylose is less than 3 g. This would indicate...






50. A pH of 7.0 represents a H+ concentration of...







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