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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. An emphysema patient suffering from fluid accumulation in the alveolar spaves is likely to be in what metabolic state?






2. Cocaine is metabolized to...






3. 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






4. In performing a spinal fluid protein determination - the specimen is diluted 1 part spinal fluid to 3 parts saline to obtain a result low enough to measure. To calculate the protein concentration the result must be...






5. A cardiac glycoside that is used in the treatment of congenital heart failure and arrhythmias by increasing the force and velocity of myocardial contraction is...






6. 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...






7. The Henderson-Hasselbalch equation






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






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






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






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






12. A blood creatinine value of 5.0 mg/dL is most likely to be found with this blood value?






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






14. The stimulant that causes localized sweating for the sweat test is...






15. A patient with hemolytic anemia will...






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






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






18. The T3 resin uptake test is a measure of...






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






20. Most automated blood gas analyzers directly measure...






21. This lipid results would be expected to be falsely elevated on a serum specimen from a nonfasting patient






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






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






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






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






26. 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?






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






28. The formula for calculating serum osmolality that incorporates a correction for the water content of plasma is...






29. Nephelometers measure light...






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






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






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






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






34. 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?






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






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






37. Turbidity in serum suggests elevation of...






38. One means of checking a spectrophotometer wavelength calibration in the visible range is by using a...






39. Assay of transketolase activity in blood is used to detect deficiency of...






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






41. The unit of measure for a standard solution is...






42. 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...






43. Enzymes used in the diagnosis of acute pancreatitis?






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






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






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






47. Lasting serum phosphate concentration is controlled primarily by the...






48. Amino acid associated with a sulfhydryl group






49. Ion selective electrodes are called selective rather than specific because they actually measure the...






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






Can you answer 50 questions in 15 minutes?



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