Test Bank for Clinical Chemistry Principles Techniques and Correlations 7th Edition by Bishop

 Name: __________ ______________  ____  ____________  ____________ Date: ____________ _____________  _  1. Nano Nanogra grams ms is is __   _ grams. A) 10-6 B) 10-9 C) 10-12 D) 10-15 2. How How many many millil milliliters iters of 0.5N NaOH are required to make 100 milliliters of 0.2N NaOH? A) 250 B) 40 C) 25 D) 4 3. A patie patient nt samp sample le for  for uric acid gave an absorbance reading of 0.4; the 50 mg/dL standard used in the test gave an absorbance reading of 0.1. What W hat is the concentration of uric acid in the patient's sample in grams per deciliter? A) 0.2 B) 12.5 C) 125 D) 200 4. How How many many milli millimoles moles of NaCl are contained in 300 mL of a 4M solution? (mw = 58.5) A) 70 B) 120 C) 234 D) 1200 5. Conve Convert rt 10 10 mg/d  mg/d L of calcium to mmol/L. (mw = 40) A) 2.5 B) 5.0 C) 10 D) 25 6. How How many many millil milliliters iters of concentrated sulfuric acid (H 2S04), M.W. = 98 grams, specific gravity = 1.500, purity = 80%, are needed to make 400 mL of a 2N solution? A) 26.1 B) 32.7 C) 52.3 D) 65.3

7. How How many many gram gramss of hydrated MgSO4  5 H20 (M.W.: MgSO4 = 119, H20 = 18) are required to make a 10% solution of MgS04? A) 5.7 g/dL B) 11.9 g/dL C) 17.6 g/dL D) 20.9 g/ g/dL 8. What What is the mola molarity rity (M) of a 4% solution of sodium hydroxide (NaOH)? M.W: Na = 23, O = 16, H = 1. A) 0.1M B) 0.25M C) 1.0M D) 2.5M 9. 3 mg/dL mg/dL is equ equiv ivalent alent to ______ grams per liter. A) 0.003 B) 0.03 C) 0.3 D) 3 10. 10. A soluti solution on conta contains ins 4.5 grams of BaCl 2 in 400 mL. What is the normality? (mw = 208) A) 1.1 B) 0.05 C) 0.5 D) 0.11

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11. 11. 20 mg/d mg/dL L is equi equivalent valent to _______ parts per million (ppm). A) 2 B) 20 C) 200 D) 2000 12. 12. Which Which of of the foll following statements describes optimal conditions for transport, handling, and storage of blood specimens for clinical chemistr y testing? A) Specimen brought to lab within 6 hours after collection, stored at room temperature before centrifugation for up to 24 hours B) Specimen brought to lab immediately, permitted to clot, serum separated and tested as soon as possible C) Specimen brought to lab immediately, spun down and serum left to stand on clot until tested  D) None of th these represent optimal conditions 13. 13. Which Which of of the foll following owing statements is NOT TRUE of capillary blood? A) May be use d in place of arterial blood when blood gases are done on an infant B) Is more similar to venous than arterial blood for concentrations of analytes C) May be co collected from the fingertip of an adult or heel of an infant D) Most ch chemistry analytes are similar to venous blood values except glucose 14. Diurnal Diurnal variation variation is  is a term that refers to: A) Whet Wheth her or not a patient is fasting B) Coll Colleection tion of urine specimens C) Time of day of specimen collection D) Whether a patient is resting or exercising 15. Ideally Ideally,, the best type of centrifuge that separates blood cells and plasma for analysis in the clinical laboratory is: A) A tem temperatu rature-controlled re-controlled centrifuge with spinning buckets that holds 5–10 mL blood tubes B) A te temperature-controlled centrifuge with fixed buckets and an angled rotor  C) A non-temperature non-temperature-controlled -controlled centrifuge with fixed buckets that hold 5–10 mL blood blood tubes tubes D) A non-temperature-c non-temperature-controlled ontrolled centrifuge with fixed buckets buckets that that only hold 1 mL blood blood tubes

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Answer Key 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.

B B A D A B C C B D C B B C A

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