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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. Creatinine clearance is used to estimate the...






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






3. 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...






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






5. This steroid is an adrenal cortical hormone






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






7. Testing for the diagnosis of lead poisoning should include...






8. In automated methods utilizing a bichromatic analyzer - dual wavelengths are employed to...






9. An HPLC operator notes that the column pressure is too high - is rising too rapidly - and the recorder output is not producing normal peaks. The most probable cause of the problem is...






10. 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...






11. A true statement about high performance liquid chromatography (HPLC) is that it...






12. 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...


13. Beriberi is associated with deficiency of...






14. A reciprocal relationship exists between...






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






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






17. Which percentage of total serum calcium is nondiffusible protein bound?






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






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






20. This enzyme substrates for prostatic acid phosphatase determination results in the highest specificity






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






22. 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?






23. Following overnight fasting - hypoglycemia in adults is defined as a glucose of...






24. 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?






25. This enzymes catalyzes the conversion of starch to glucose and maltose






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






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






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






29. While performing a serum lithium determination on a flame photometer with cesium as the internal standard - the technologist noticed that there was a flickering flame. The most probable cause of this problem is...






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






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






32. Cerebrospinal fluid for glucose assay should be...






33. 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...






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






35. Lithium therapy is widely used in the treatment of...






36. Characteristic of the Bence Jones protein that is used to distinguish it from other urinary proteins is its solubility...






37. An electrophoretic separation of lactate dehydrogenase isoenzymes that demonstrates an elevation in LD-l and LD-2 in a "flipped" pattern is consistent with...






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






39. At a pH of 8.6 the gamma globulins move toward the cathode - despite the fact that they are negatively charged. What is this phenomenon called?






40. Enzymes used in the diagnosis of acute pancreatitis?






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






42. An automated CK assay gives a reading that is above the limits of linearity. A dilution of the serum sample is made by adding 1 mL of serum to 9 mL of water. The instrument now rew 350 U/L. The correct report on the undiluted serum should be...






43. Rickets is associated with deficiency of...






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






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






46. In developing the reference for a new EIA for CEA - the range for the normal population was broader than that published by the vendor. Controls are acceptable with a narrow coefficient of variation. This may be explained by...






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






48. 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






49. Phenobarbital is a metabolite of...






50. The definitive diagnosis of primary adrenal insufficiency requires demonstration of...