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






2. Amniotic fluid submitted for a lecithin/sphingomyelin (US) ratio has been left in a brown container since the night before. You would expect...






3. The serum glucose concentration of a diabetic patient undergoing a 2-hour glucose tolerance test should return to the baseline (fasting level) after a minimum of...






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






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






6. Most most likely to be ordered in addition to serum calcium to determine the cause of tetany?






7. Enzymes used in the diagnosis of acute pancreatitis?






8. Pregnant women with symptoms of thirst - frequent urination - or unexplained weight loss should have this test performed?






9. 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






10. A low concentrarion of serum phosphorus is commonly found in...






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






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






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






14. The selectivity of an ion-selective electrode is determined by the...






15. A reciprocal relationship exists between...






16. 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






17. A breakdown product of hemoglobin is...






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






19. The following blood gas results were obtained: pH : 7.18 PO2: 86 mm Hg PCO2: 60 mm Hg O2 saturation: 92% HCO3-: 21 mEq/L TCO2: 23 mEq/L Base excess: -8.0 mEq/L The patient's results are compatible with...






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






21. The formula for coefficient of variation?






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






23. Creatinine clearance is used to estimate the...






24. A serum potassium is 19.5 mg/100 mL. This value is equal to how many mEq/L (MW of K = 39)?






25. Turbidity in serum suggests elevation of...






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






27. The measurement of light scattered by particles in the sample is the principle of...






28. A thick white turbid specimen was received in the laboratory labeled as pericardial fluid. A microscopic examination was performed - and the differential included 90% PMNs. The fluid is...






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






30. Fluctuation of the needle on a coulometric type titrator is most probably due to...






31. Gel filtration chromatography is used to separate...






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






33. This wavelengths is within the ultraviolet rang.






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






35. 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...






36. This steroid is an adrenal cortical hormone






37. Rickets is associated with deficiency of...






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






39. 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...






40. The enzyme that exists chiefly in skeletal muscle - heart - and brain; is grossly elevated in active muscular dystrophy; and rises early in myocardial infarction is...






41. A spectrophotometer is being considered for purchase by a small laboratory. This specification reflects the spectral purity of the instrument






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






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






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






45. The primary function of serum albumin in the peripheral blood is to...






46. A psychiatric patient was experiencing sever depression - but responded to treatment with amitriptyline with no apparent side effects. A blood sample was sent to the laboratory for therapeutic monitoring. Which drug level would be MOST reflective of






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






48. The following laboratory results were obtained on arterial blood: Sodium 136 mEq/L pH 7.32 Potassium 4.4 mEq/L PCO2 79 mm Hg Chloride 92 mEq/L Bicarbonate 40 mEq/L These results are most compatible with...






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






50. 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...







Sorry!:) No result found.

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