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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 fresh urine sample is received for "porphyrins" or "porphyria" without further information or specifications. Initial analysis should include...






2. Coulometry is used to measure...






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






5. Serum from a patient with metastatic carcinoma of the prostate was separated from the clot and stored at room temperature. The following results were obtained: Patient Reference Range Calcium: 10.8 mg/dL 8.8-10.3 mg/dL LD:420 U/L 50-150 U/L Acid phos






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






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






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






9. A low concentrarion of serum phosphorus is commonly found in...






10. Scurvy is associated with deficiency of...






11. In an internal standard flame photometer - the internal standard is used to...






12. A blood creatinine value of 5.0 mg/dL is most likely to be found with this blood value?






13. Total iron-binding capacity measures the serum iron transporting capacity of...






14. 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






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






16. Ion selective electrodes are called selective rather than specific because they actually measure the...






17. A chemiluminescent EIA...






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






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






20. 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...






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






22. If a drug has a half-life of 7 hours - how many doses given at 7-hour intervals does it usually take to achieve a steady state or plateau level?






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






24. Cocaine is metabolized to...






25. A patient with hemolytic anemia will...






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






27. Respiratory acidosis is described as a(n): ______ increase in CO2 decrease in pH






28. Which two conditions can "physiologically" elevate serum alkaline phosphatase?






29. Rickets is associated with deficiency of...






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






31. Blood specimens for digoxin assays should be obtained between 8 hours or more after drug administration because...






32. At blood pH 7.40 what is the ratio between bicarbonate and carbonic acid?






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






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






35. Diagnostic specificity is defined as the percentage of individuals...






36. 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...






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






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






39. The function of the major lipid components of the very low density lipoproteins (VLDL) is to transport...






40. This method employs a highly specific antibody to thyroxine






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






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






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






44. 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...






45. 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...






46. The glucose level in normal peritoneal fluid should be...






47. A sweat chloride result of 55 mEq/L and a sweat sodium of 52 mEq/L were obtained ona patient who has a history of respiratory problems. The bestc interpretation of these results is...






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






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






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