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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 patient with type I insulin-dependent diabetes mellitus has the following results: Fasting blood glucose: 150 mg/dL (70-110 rng/dL) Hemoglobin A1c: 25% (6.0%-19.5%) Fructosamine: 3.0 mmol/L ( 2.0-5.3 mmol/L)






2. 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...






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






4. Serum anion gap is increased in patients with...






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






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






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






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






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






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






11. Zinc protoporphyrin or free erythrocyte protoporphyrin measurements are useful to assess blood concentrations of...






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






13. 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...






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






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






16. 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...






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






18. At a pH of 8.6 the gamma globulins move toward the cathode - despite the fact that they are negatively charged. What is this phenomenon called?






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






20. An electrophoretic separation of lactate dehydrogenase isoenzymes that demonstrates an elevation in LD-l and LD-2 in a "flipped" pattern is consistent with...






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






22. A potassium level of 6.8 mEq/L is obtained. Before reporting the results - the first step the technologist should take is to...






23. The major fraction of organic iodine in the circulation is in the form of...






24. 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...






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






26. Serum concentrations of vitamin B12 are elevated in...






27. In the atomic absorption method for calcium - lanthanum is used...






28. 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...






29. An automated CK assay gives a reading that is above the limits of linearity. A dilution of the serum sample is made by adding 1 mL of serum to 9 mL of water. The instrument now rew 350 U/L. The correct report on the undiluted serum should be...






30. In the liver - bilirubin is converted to...






31. This wavelengths is within the ultraviolet rang.






32. 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






33. The definitive diagnosis of primary adrenal insufficiency requires demonstration of...






34. Measurement of total T4 by competitive protein binding or displacement is based on the specific binding properties of...






35. A blood gas sample was sent to the lab on ice - and a bubble was present in the syringe. The blood had been exposed to room air for at least 30 minutes. The following change in blood gases occurred...






36. The main reason for suboptimal drug levels in therapeutic drug monitoring is...






37. A 45-year-old woman has a fasting serum glucose concentration of 95 mg/dL and a 2-hour postprandial glucose concentration of 105 mg/dL. The statement that best describes this patient's fasting serum glucose concentration is...






38. The chemical composition of HDL- cholesterol corresponds to...






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






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






41. This method offers the greatest sensitivity for HBsAg testing






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






43. Aminotransferase enzymes catalyze the...






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






45. Alkaline phosphatase Slight increase - Aminotransferase Marked increase - Aspartate aminotransferase Marked increase - Alanine gamma-glutamyl transferase Slight increase






46. Enzymes used in the diagnosis of acute pancreatitis?






47. Technical problems encountered during the collection of an amniotic fluid specimen caused doubt as to whether the specimen was amniotic in origin. This procedure would establish that the fluid is amniotic in origin






48. Given the following results: Alkaline phosphatase Marked increase Aminotransferase Slight increase Aspartate aminotransferase Slight increase Alanine gamma-glutamyl transferase Marked increase This is most consistent with...






49. The formula for calculating the amount of moles of a chemical?






50. High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?