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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 calcium procedure utilizes lanthanum chloride to emliminate iterfering substances






2. Blood received in the laboratory for blood gas analysis must meet these requirements






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






4. 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...






5. When separating serum proteins by cellulose acetate electrophoresis using veronal buffer at pH 8.6 - beta globulin migrates...






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






7. This chemical determination may be of help in establishing the presence of seminal fluid






8. This steroid is an adrenal cortical hormone






9. Rickets is associated with deficiency of...






10. A patient with hemolytic anemia will...






11. A patient in her 33rd week of pregnancy is hospitalized with toxemia. Her doctor would like to deliver the baby early because the toxemia is becoming more severe. The baby's best chance of delivery without respiratory distress due to lung immaturity






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






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






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






15. Amino acid associated with a sulfhydryl group






16. This serum constituent is unstable if a blood specimen is left standing at room temperature for 8 hours before processing






17. Acidosis and alkalosis are best defined as fluctuations in blood pH and CO2 content due to changes in...






18. Lasting serum phosphate concentration is controlled primarily by the...






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






20. Blood was collected in a serum separator tube from a patient who had been fasting since midnight. The time of collection was 7:00 AM. The laboratory test that should be re-collected is...






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






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






23. Bile acid concentrations are useful to assess...






24. In the immunoinhibition phase of the CK-MB procedure...






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






26. The ability of a procedure to measure only the component(s) it claims to measure is called...






27. A 21-year-old man with nausea - vomiting - and jaundice has the following laboratory findings: Total serum bilirubin level: 8.5 mg/dL (normal - 0-1.0) Conjugated serum bilirubin level: 6.1 mg/dL (normal - 0-0.5) Urine urobilinogen: Increased Fecal u






28. An increase in serum acetone is indicative of a defect in the metabolism of...






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






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






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






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






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






34. The hemoglobin that is resistant to alkali (KOH) denaturation is...






35. 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






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






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






38. In thin layer chromatography - the Rf value for a compound is given by the...






39. A patient with myeloproliferative disorder has the following values: Hgb = 13 g/dL Hct = 38% WBC = 30 x 10^3/uL Platelets = 1000 x 10^3/uL Serum Na+ = 140 mEq/L Serum K+ = 7 mEq/L The serum K+ should be confirmed by...






40. 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?






41. A condition in which erythrocyte protoporphyrin is increased is...






42. 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...






43. 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






44. 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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45. A critically ill patient becomes comatose. The physician believes the coma is due to hepatic failure. The assay most helpful in this diagnosis is...






46. A 2-year-old child with a decreased serum T4 is described as being somewhat dwarfed - stocky - overweight - and having coarse features. Of the following - the most informative additional laboratory test would be the serum...






47. A patient with type I insulin-dependent diabetes mellitus has the following results: Fasting blood glucose: 150 mg/dL (70-110 rng/dL) Hemoglobin A1c: 25% (6.0%-19.5%) Fructosamine: 3.0 mmol/L ( 2.0-5.3 mmol/L)






48. The formula for coefficient of variation?






49. A one MOLAL solution is equivalent to...






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