Test your basic knowledge |

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






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






3. This method offers the greatest sensitivity for HBsAg testing






4. 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...






5. A fasting serum sample from an asymptomatic 43-year-old woman is examined visually chemically with the following results: Initial appearance of serum: Milky Appearance of serum after overnight refrigeration: Cream layer over turbid serum Triglyceri






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






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






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






9. Hydrogen ion concentration (pH) in blood is usually determined by means of these electrodes?






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






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






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






13. While performing a serum lithium determination on a flame photometer with cesium as the internal standard - the technologist noticed that there was a flickering flame. The most probable cause of this problem is...






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






15. Unless blood gas measurements are made immediately after sampling - in vitro glycolysis of the blood causes a...






16. Turbidity in serum suggests elevation of...






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






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






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






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






21. A potentiometric electrode that measures an analyte that passes through a selectively premeable membrane and rapidly enters into an equilibrium with an electrolyte solution is...






22. Serum and urine copper levels are assayed on a hospital patient with the following results: Patient Serum Cu: 58 ug/dL; Reference Value:70-140 ug/dL Patient Urine Cu: 83 ug/dL ; Reference Value: < 40 ug/dL This is most consistent with...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


23. The most widely used support medium for electrophoretic separation of lipoproteins is...






24. About 90% of phenytoin is excreted in the urine as...






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






26. Upon development of a thin layer chromatogram for the drug analysis - all drug spots (including the standards) had migrated with the solvent front. The most probable cause for this would be...






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






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






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






30. Nephelometers measure light...






31. The fast hemoglobin fraction is...






32. A condition in which erythrocyte protoporphyrin is increased is...






33. A technician is asked by the supervisor to prepare a standard solution from the stock standard. What is the glassware of choice for this solution?






34. The following bilirubin results are obtained on a patient: Day 1: 4.3 mg/dL Day 4: 2.2 mg/dL Day 2: 4.6 mg/dL Day 5: 4.4 mg/dL Day 3: 4.5 mg/dL Day 6: 4.5 mg/dL - Given that the controls were within range each day - what is a probable explanation for






35. This is a characteristic shared by lactate dehydrogenase - malate dehydrogenase - isocitrate dehydrogenase - and hydroxybutyrate dehydrogenase?






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






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






38. Most drugs and intracellular metabolites measured by radioimmunoassay have molecular weights between 200 and 1000 and can be made immunogenic by...






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






40. Kernicterus is an abnormal accumulation of bilirubin in...






41. An electrode has a silver/silver chloride anode and a platinum wire cathode. It is suspended in KCl solution and separated from the blood to be analyzed by a selectively permeable membrane. Such an electrode is used to measure...






42. 4 mL of water is added to 1 mL of serum. This represents this serum dilutions






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






44. 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






45. 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






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






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






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






49. The presence of this isoenzymes indicates acute myocardial damage






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests