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






2. This hemoglobin has glucose-6-phosphate on the amino-terminal valine of the beta chain?






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






4. 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...






5. 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...






6. The identification of Bence Jones protein is best accomplished by...






7. Lithium therapy is widely used in the treatment of...






8. The protein portion of an enzyme complex is called the...






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






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






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






12. Serum levels that define hypoglycemia in preterm or low birth weight infants are...






13. 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...






14. Which blood gas electrode is composed of calomel and glass?






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






16. Scurvy is associated with deficiency of...






17. When myocardial infarction occurs - the first enzyme to become elevated is...






18. 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...






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






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






21. The Porter-Silber method (phenylhydrazine in alcohol and sulfuric acid) involves which part of the steroid molecule?






22. A test request slip indicates that an acute porphyric attack is suspected clinically. Analysis should include...






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






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






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






26. A patient in her 33rd week of pregnancy is hospitalized with toxemia. Her doctor would like to deliver the baby early because the toxemia is becoming more severe. The baby's best chance of delivery without respiratory distress due to lung immaturity






27. The extent to which measurements agree with or approach the true value of the quantity being measured is referred to as...






28. 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...






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






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






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






32. Which percentage of total serum calcium is nondiffusible protein bound?






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






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






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






36. This wavelengths is within the ultraviolet rang.






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






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






39. 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...






40. The general types of interference in atomic absorption spectrophotometry...






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






42. A 2-year-old child with a decreased serum T4 is described as being somewhat dwarfed - stocky - overweight - and having coarse features. Of the following - the most informative additional laboratory test would be the serum...






43. This is a regulatory hormone.






44. These enzymes of heme biosynthesis are inhibited by lead






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






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






47. Bromcresol purple at a pH of 5.2 is used in a colorimetric method to measure...






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






49. 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...






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