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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 enzyme that exists chiefly in skeletal muscle - heart - and brain; is grossly elevated in active muscular dystrophy; and rises early in myocardial infarction is...






2. This method employs a highly specific antibody to thyroxine






3. The protein portion of an enzyme complex is called the...






4. 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...






5. This applies to cryoscopic osmometry






6. The primary function of serum albumin in the peripheral blood is to...






7. The methodology based on the amount of energy absorbed by a subtance as a function of its concentration and using a specific source of the same material as the substance analyzed is...






8. A breakdown product of hemoglobin is...






9. 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...






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






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






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






13. The method of choice for diagnosis of a protracted attack of porphyria is...






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






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






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






17. A potassium level of 6.8 mEq/L is obtained. Before reporting the results - the first step the technologist should take is to...






18. 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...






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






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






21. The nanometer is a measurement of...






22. 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?






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






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






25. The osmolality of a urine or serum specimen is measured by a change in the...






26. 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






27. 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...






28. In the fasting state - the arterial and capillary blood glucose concentration varies from the venous glucose concentration by approximately how many mg/dL?






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






30. 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






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






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






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






34. Enzymes used in the diagnosis of acute pancreatitis?






35. 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...






36. Which blood gas electrode is composed of calomel and glass?






37. This wavelengths is within the ultraviolet rang.






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






39. The anticonvulsant used to control tonic-clonic (grand mal) seizures is...






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






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






42. This calcium procedure utilizes lanthanum chloride to emliminate iterfering substances






43. Estrogen and progesterone receptor assays are useful in assessing prognosis in...?






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






45. Serum anion gap is increased in patients with...






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






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






48. Measurement of the serum acid phosphatase is used to detect neoplastic disease of the...






49. The fast hemoglobin fraction is...






50. A course of instruction is being planned to teach laboratory employees to correct simple malfunctions in selected laboratory instruments. In writing the objectives for this course - this would be most appropriate?