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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 person suspected of having metabolic alkalosis would have these laboratory findings






2. This calcium procedure utilizes lanthanum chloride to emliminate iterfering substances






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






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






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






6. Coulometry is used to measure...






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






8. The formation of estriol in a pregnant woman is dependent on...






9. Four children are admitted with malaise - anorexia - and abdominal pain. Further evaluations reveal mild anemia - erythrocyte basophilic stippling - and profound pica habits. Poisoning by which heavy metal is most likely responsible?






10. A 9-month-old boy from Israel has gradually lost the ability to sit up and develops seizures. He has an increased amount of a phospholipid called GM2-ganglioside in his neurons - and he lacks the enzyme hexosaminidase A in his leukocytes. These findi






11. A new method is being evaluated. A recovery experiment is performed with the following results: 0.9 mL serum sample + 0.1 mL H20 = 89 mEq/L 0.9 mL serum sample + 0.1 mL analyte std. @ 800 mEq/L = 161 mEq/L The percent recovery of the added analyt






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






13. A 24-hour urine specimen (total volume = 1136 mL) is submitted to the laboratory for quantitative urine protein. Calculate the amount of protein excreted per day - if the total protein is 52 mg/dL.






14. The following data were obtained from a cellulose acetate protein electrophoresis scan: Albumin area 75 units Gamma globulin area 30 units Total area 180 units Total protein 6.5 g/dL The gamma globulin content in g/dL is...






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






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






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






18. The following data were obtained on amniotic fluid from a gestation of 36 weeks' duration by menstrual dates: L/S = 2 Phosphatidyl glycerol not present This can be concluded from these data?






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






20. This wavelengths is within the ultraviolet rang.






21. To ensure an accurate ammonia level result - the specimen should be...






22. 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...






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






24. TSH is produced by the...






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






26. Blood received in the laboratory for blood gas analysis must meet these requirements






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






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






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






30. The concentration of serum carotene is affected MOST by...






31. The Henderson-Hasselbalch equation






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






33. 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...






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






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






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






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






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






39. A pH of 7.0 represents a H+ concentration of...






40. 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...






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






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






43. A stool specimen that appears black and tarry should be tested for the presence of...






44. The most widely employed screening technique for drug abuse is...






45. Enzymes used in the diagnosis of acute pancreatitis?






46. 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






47. A patient with myeloproliferative disorder has the following values: Hgb = 13 g/dL Hct = 38% WBC = 30 x 10^3/uL Platelets = 1000 x 10^3/uL Serum Na+ = 140 mEq/L Serum K+ = 7 mEq/L The serum K+ should be confirmed by...






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






49. Regan isoenzyme has the same properties as alkaline phosphatase that originates in the...






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