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






2. A patient with hemolytic anemia will...






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






4. An Rf value of 0.5 in thin-layer chromatography means...






5. The most common type of congenital adrenal hyperplasia associated with increased plasma concentrations of 17 a-hydroxyprogesterone and increased urinary excretion of pregnanetriol is...






6. The concentration of serum carotene is affected MOST by...






7. This electrolyte is the chief plasma cation whose main function is maintaining osmotic pressure






8. The principle of the occult blood test depends on the...






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






10. Major actions of angiotensin II include...






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






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






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






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






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






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






17. 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?






18. The preparation of a patient for standard tolerance testing should include...






19. What substance gives feces its normal color?






20. The following results were obtained in a creatinine clearance evaluation: Urine concentration 84 mg/dL Urine volume 1440 mL/24 hr Serum concentration 1.4 mg/dL Body surface area 1.60 m2 (average = 1.73 m2) The creatinine cle~trance in mL/min is...






21. High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?






22. A serum sample for acid phosphatase determination is best prepared for room temperature storage by...






23. 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...






24. 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






25. The buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and...






26. The major fraction of organic iodine in the circulation is in the form of...






27. This wavelengths is within the ultraviolet rang.






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. The TRH (thyrotropin-releasing hormone) stimulation test is useful in assessing...






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






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






32. Sixty to seventy-five percent of the plasma cholesterol is transported by...






33. Calcium concentration in the serum is regulated by...






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






35. A patient is admitted to the emergency room in a state of metabolic alkalosis.This would be consistent with this diagnosis?






36. Malic dehydrogenase is added to the aspartate aminotransaminase (AST) reaction to catalyze the conversion of...






37. 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?






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






39. This elevates carboxyhemoglobin?






40. This method employs a highly specific antibody to thyroxine






41. Amino acid associated with a sulfhydryl group






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






43. The following laboratory results were obtained on arterial blood: Sodium 136 mEq/L pH 7.32 Potassium 4.4 mEq/L PCO2 79 mm Hg Chloride 92 mEq/L Bicarbonate 40 mEq/L These results are most compatible with...






44. A 9-month-old boy from Israel has gradually lost the ability to sit up and develops seizures. He has an increased amount of a phospholipid called GM2-ganglioside in his neurons - and he lacks the enzyme hexosaminidase A in his leukocytes. These findi






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






46. An automated method for measuring chloride that generates silver ions in the reaction is...






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






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






49. In familial hypercholesterolemia - the hallmark finding is an elevation of...






50. This applies to cryoscopic osmometry







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