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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. This diseases results from a familial absence of high-density lioprotein






2. In monitoring glomerular function - this test has the highest sensitivity






3. In respiratory acidosis - a compensatory mechanism is the increase in...






4. Patients with Cushing's syndrome exhibit...






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






6. The first step in analyzing a 24-hour urine specimen for quantitative urine protein is...






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






9. The presence of this isoenzymes indicates acute myocardial damage






10. This wavelengths is within the ultraviolet rang.






11. 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






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






13. A patient is admitted with biliary cirrhosis. If a serum protein electrophoresis is preformed - these globulin fractions will be most elevated?






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






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






16. The urea nitrogen concentration of a serum sample was measured as 15 mg/dL (atomic weights: carbon = 12 - oxygen = 16 - nitrogen = 14 - hydrogen = 1). The urea concentration of the same sample - in mg/dL - is...






17. 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...






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






19. Acidosis and alkalosis are best defined as fluctuations in blood pH and CO2 content due to changes in...






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






21. 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...






22. Scurvy is associated with deficiency of...






23. Blood specimens for digoxin assays should be obtained between 8 hours or more after drug administration because...






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






25. The function of the major lipid components of the very low density lipoproteins (VLDL) is to transport...






26. 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...






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






28. A 68-year-old man arrives in the emergency room with a glucose level of 722 mg/dL and serum acetone of 4+ undiluted. An arterial blood gas from this patient is likely to indicate...






29. Gas chromatography with the nitrogen/phosphorus detector is the most commonly used technique for the analysis of...






30. This condition does decrease activity of glucuronyl transferase result in increased unconjugated bilirubin and kernicterus in neonates






31. Serum from a patient with metastatic carcinoma of the prostate was separated from the clot and stored at room temperature. The following results were obtained: Patient Reference Range Calcium: 10.8 mg/dL 8.8-10.3 mg/dL LD:420 U/L 50-150 U/L Acid phos






32. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) are both elevated in this disease






33. 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






34. The following five sodium control values (mEq/L) were obtained:140 - 135 - 138 - 140 - 142Calculate the coefficient of variation.






35. Bioavailability of a drug refers to the...






36. Upon completion of a run of cholesterol tests - the technician recognizes that the controls are not within the two standard deviations confidence range. What is the appropriate course of action?






37. The formula for calculating absorbance given the percent transmittance (%T) of a solution






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






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






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






41. In a normal individual - injection of thyrotropin-releasing hormone (TRH) causes an increase in blood concentrations of this hormone






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






43. In the assay of lactate dehydrogenase - this product is actually measured






44. The regulation of calcium and phosphorus metabolism is accomplished by which gland?






45. A common cause of a falsely increased LD1 fraction of lactic dehydrogenase is...






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






47. 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...






48. A patient has the following results: Patient Values : Reference Values: Serum iron 250 ug/dL 60-150 ug/dL TIBC 350 ug/dL 300-35O ug/dL The best conclusion is that this patient has...






49. This chemical determination may be of help in establishing the presence of seminal fluid






50. Certain enzymes are activated to metabolize drugs as a result of another drug action. This is referred to as...