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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. 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






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






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






4. 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...






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






6. Bromcresol purple at a pH of 5.2 is used in a colorimetric method to measure...






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






8. The chemical composition of HDL- cholesterol corresponds to...






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






10. This 2-hour postprandial glucose values demonstrates unequivocal hyperglycemia diagnostic for diabetes mellitus






11. An Rf value of 0.5 in thin-layer chromatography means...






12. Zinc protoporphyrin or free erythrocyte protoporphyrin measurements are useful to assess blood concentrations of...






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






14. The formula for calculating serum osmolality that incorporates a correction for the water content of plasma is...






15. A patient is admitted to the emergency room in a state of metabolic alkalosis.This would be consistent with this diagnosis?






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






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






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






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






20. The extent to which measurements agree with or approach the true value of the quantity being measured is referred to as...






21. One international unit of enzyme activity is the amount of enzyme that - under specified reaction conditions of substrate concentration - pH - and temperature - causes utilization of substrate at the rate of...






22. In electrophoretic analysis - buffers...






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






24. The major fraction of organic iodine in the circulation is in the form of...






25. 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






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






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






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






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






30. The nanometer is a measurement of...






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






32. The electrophoretic pattern of a plasma sample compared with a serum sample shows a...






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






34. A blood sample was received from the emergency room with a request for narcotic analysis. The request slip indicated that the patient (a known heroin addict) responded to naloxone administration. The serum was negative for morphine by EIA. What other






35. The following blood gas results were obtained: pH : 7.18 PO2: 86 mm Hg PCO2: 60 mm Hg O2 saturation: 92% HCO3-: 21 mEq/L TCO2: 23 mEq/L Base excess: -8.0 mEq/L The patient's results are compatible with...






36. Ninety percent of the copper present in plasma is bound to...






37. A patient with hemolytic anemia will...






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






39. The formula for calculating absorbance given the percent transmittance (%T) of a solution






40. 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






41. In the atomic absorption method for calcium - lanthanum is used...






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






43. 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...






44. 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...






45. Serum haptoglobin...






46. Spectrophotometers isolate a narrow band pass by means of...






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






48. These enzymes of heme biosynthesis are inhibited by lead






49. 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?






50. A person suspected of having metabolic alkalosis would have these laboratory findings