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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 person suspected of having metabolic alkalosis would have these laboratory findings






2. 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...






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






4. The selectivity of an ion-selective electrode is determined by the...






5. Coulometry is used to measure...






6. 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...






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






8. Before unconjugated bilirubin can react with Ehrlich's diazo reagent - this must be added






9. When myocardial infarction occurs - the first enzyme to become elevated is...






10. The most consistent analytical error involved in the routine determination of HDLcholesterol is caused by...






11. Clinical assays for tumor markers are the most important for...






12. This is a regulatory hormone.






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






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






15. 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?






16. In spectrophotometric determination - this is the formula for calculating the absorbance of a solution






17. In amniotic fluid - the procedure used to detect Rh isosensitization is...






18. 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






19. Pregnant women with symptoms of thirst - frequent urination - or unexplained weight loss should have this test performed?






20. About 90% of phenytoin is excreted in the urine as...






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






22. After a difficult venipuncture requiring prolonged application of the tourniquet - the serum K+ was found to be 6.8 mEq/L. The best course of action is to...






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






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






25. A 45-year-old woman complains of fatigue - heat intolerance - and hair loss. Serum thyroxine and 125I-T3 resin uptake are abnormally low. What test would confirm that this is a pituitary deficiency?






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






27. A carbonate salt used to control manic-depressive disorders is...






28. How many grams of sodium chloride are needed to prepare 1 L of 0.9% normal saline?






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






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






31. Oligoclonal bands are present on electrophoresis of concentrated CSF and also on concurrently tested serum of the same patient. The proper interpretation is...






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






33. Alkaline phosphatase Slight increase - Aminotransferase Marked increase - Aspartate aminotransferase Marked increase - Alanine gamma-glutamyl transferase Slight increase






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






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






36. 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...






37. 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...






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






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






40. If the correlation coefficient (r) of two variables is zero...






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






42. Major actions of angiotensin II include...






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






44. The Henderson-Hasselbalch equation






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






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






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






48. A stool specimen that appears black and tarry should be tested for the presence of...






49. Four children are admitted with malaise - anorexia - and abdominal pain. Further evaluations reveal mild anemia - erythrocyte basophilic stippling - and profound pica habits. Poisoning by which heavy metal is most likely responsible?






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