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. This diseases results from a familial absence of high-density lioprotein






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






3. The direction in which albumin migrates (ie - toward anode or cathode) during electrophoretic separation of serum proteins - at pH 8.6 - is determined by...






4. The ability of a procedure to measure only the component(s) it claims to measure is called...






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






6. 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...






7. Scurvy is associated with deficiency of...






8. 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)






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






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






11. Before unconjugated bilirubin can react with Ehrlich's diazo reagent - this must be added






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






13. 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...






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






15. 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...






16. Detection of carriers of hereditary coproporphyria should include analysis of...






17. Estrogen and progesterone receptor assays are useful in assessing prognosis in...?






18. The most common type of congenital adrenal hyperplasia associated with increased plasma concentrations of 17 a-hydroxyprogesterone and increased urinary excretion of pregnanetriol is...






19. Ion selective electrodes are called selective rather than specific because they actually measure the...






20. 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...






21. Enzymes used in the diagnosis of acute pancreatitis?






22. A patient has the following results: Patient Values : Reference Values: Serum iron 250 ug/dL 60-150 ug/dL TIBC 350 ug/dL 300-35O ug/dL The best conclusion is that this patient has...






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






24. Phenobarbital is a metabolite of...






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






26. The first step to be taken when attempting to repair a piece of electronic equipment is...






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






28. The preparation of a patient for standard tolerance testing should include...






29. The Henderson-Hasselbalch equation






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






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






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






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






34. A carbonate salt used to control manic-depressive disorders is...






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






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






37. In spectrophotometric determination - this is the formula for calculating the absorbance of a solution






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






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. 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...






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






42. The osmolal gap is defined as measured Osm/kg minus the calculated Osm/kg. The average osmolal gap is near...






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






44. Blood specimens for digoxin assays should be obtained between 8 hours or more after drug administration because...






45. 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






46. Aminotransferase enzymes catalyze the...






47. Measurement of the serum acid phosphatase is used to detect neoplastic disease of the...






48. This 2-hour postprandial glucose values demonstrates unequivocal hyperglycemia diagnostic for diabetes mellitus






49. 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...






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