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






2. 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?






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






4. The normal concentration of proteins in cerebrospinal fluid - relative to serum protein - is...






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






6. Isoenzyme assays are preformed to improve...






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






8. Respiratory acidosis is described as a(n): ______ increase in CO2 decrease in pH






9. Cocaine is metabolized to...






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






11. The following laboratory results were obtained: Serum Calcium: Increased - Urine Calcium: Increased - Serum Phosphate: Decreased - Urine Phosphate: Increased Serum Alkaline Phosphatase: Normal or Increased These results are most compatible with...






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






13. Maple syrup urine disease is characterized by an increase in this urinary amino acids






14. A pH of 7.0 represents a H+ concentration of...






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






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






17. A common cause of respiratory alkalosis is...






18. Analysis of erythrocytes for uroporphyrinogen I synthetase detects...






19. 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...






20. This method employs a highly specific antibody to thyroxine






21. Technical problems encountered during the collection of an amniotic fluid specimen caused doubt as to whether the specimen was amniotic in origin. This procedure would establish that the fluid is amniotic in origin






22. The expected blood gas results for a patient in chronic renal failure would match the pattern of...






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






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






25. One international unit of enzyme activity is the amount of enzyme that - under specified reaction conditions of substrate concentration - pH - and temperature - causes utilization of substrate at the rate of...






26. Specimens for blood gas determination should be drawn into a syringe containing...






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






28. This is a regulatory hormone.






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






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






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






32. 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)






33. The enzyme present in almost all tissues that may be separated by electrophoresis into five components is...






34. The most important buffer pair in plasma is the...






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






36. One international unit of enzyme activity is the amount of enzyme that - under specified reaction conditions of substrate concentration - pH - and temperature - causes utilization of substrate at the rate of...






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






38. The main reason for suboptimal drug levels in therapeutic drug monitoring is...






39. 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...






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






41. Measurement of total T4 by competitive protein binding or displacement is based on the specific binding properties of...






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






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






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






45. 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?






46. The biologically most active - naturally occuring androgen is...






47. Turbidity in serum suggests elevation of...






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






49. When the exact concentration of the solute of a solution is known and is used to evaluate the concentration of an unknown solution - the known solution is...






50. Given the following results: Alkaline phosphatase Marked increase Aminotransferase Slight increase Aspartate aminotransferase Slight increase Alanine gamma-glutamyl transferase Marked increase This is most consistent with...