Test Bank for Clinical Chemistry Principles, Techniques, and Correlations 9th Edition by Bishop Fody

TEST BANK for Clinical Chemistry Principles, Techniques, and Correlations 9th Edition by Bishop Fody | Verified Chapter's 1 - 31 | Complete Newest Version TEST BANK for Clinical Chemistry Principles, Techniques, and Correlations 9th Edition by Bishop Fody | Verified Chapter's 1 - 31 | Complete Newest 1. One nanogram is equivalent to how many grams? A) 10-6 B) 10-9 C) 10-12 D) 10-15 Ans: B Complexity: RL2 Ahead: Units of Measure Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 2. How many milliliters of 0.5N NaOH are required to make 100 milliliters of 0.2N NaOH? A) 250 B) 40 C) 25 D) 4 Ans: B Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 3. A patient sample for uric acid gave an absorbance reading of 0.4, and the 50 mg/dL standard gave an absorbance reading of 0.1. What 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 Ans: D Complexity: RL2 Ahead: Laboratory Mathematics and Calculations 1-1 Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition Test bank Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 4. How many millimoles of NaCl are contained in 300 mL of a 4M solution? (gmw = 58.5) A) 70 B) 120 C) 234 D) 1200 Ans: D Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 5. How is 10 mg/dL of calcium reported in mmol/L? (gmw = 40) A) 2.5 B) 5.0 C) 10 D) 25 Ans: A Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 6. How many milliliters of concentrated sulfuric acid (H2S04), G.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 Ans: B Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 7. How many grams 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/dL Ans: C Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 1-2 Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition Test bank 8. What is the molarity (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 Ans: C Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 9. 3 mg/dL is equivalent to how many grams per liter? A) 0.003 B) 0.03 C) 0.3 D) 3 Ans: B Complexity: RL2 Ahead: Units of Measure Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 10. What is the normality of a solution containing 4.5 grams of BaCl 2 in 400 mL? (gmw = 208) A) 1.10 B) 0.50 C) 0.25 D) 0.11 Ans: D Complexity: RL2 Ahead: Laboratory Mathematics and Calculations Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 11. What are the optimal conditions for specimen transport, handling, and storage of specimens for clinical chemistry testing? A) Specimen transported to lab within 2 hours after collection, stored at room temperature, and centrifuged within 4 hours. B) Specimen transported 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 these represent optimal conditions. Ans: B Complexity: RL1 Ahead: Specimen Collection and Handling Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 1-3 Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition Test bank 12. What type of specimen provides the fastest turnaround times for blood gas analysis? A) Urine B) Plasma C) Serum D) Whole blood Ans: D Complexity: RL1 Ahead: Specimen Collection and Handling Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 13. Diurnal variation is a term that refers to which of the following? A) Whether a patient is fasting or nonfasting B) Collection of 24-hour urine specimens C) Time of day specimen collection occurs D) Whether a patient is resting or exercising Ans: C Complexity: RL1 Ahead: Specimen Collection and Handling Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 14. Which of the following centrifuges minimizes pre-analytical errors associated with the analysis of ammonia specimens? A) A temperature-controlled centrifuge with swinging buckets B) A temperature-controlled centrifuge with fixed buckets and an angled rotor C) A non-temperature-controlled centrifuge with swinging buckets D) A non-temperature-controlled centrifuge with fixed buckets Ans: A Complexity: RL3 Ahead: Laboratory Equipment Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 15. A STAT glucose specimen was drawn and sent to the laboratory. The specimen was retrieved from the pneumatic tube system and centrifuged immediately. After the serum specimen was then loaded onto the analyzer, a sample aspiration error occurred. What specimen collection and handling error most likely caused the error? A) A plasma specimen should have been collected instead of serum. B) The specimen was not completely clotted prior to centrifugation. C) The specimen should have been hand-carried to the laboratory. D) A temperature-controlled fixed angle centrifuge should have been used. Ans: B Complexity: RL3 Ahead: Specimen Collection and Handling Subject: Chapter 1 Title: Basic Principles and Practices of Clinical Chemistry 1-4 Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition Test bank Import Settings: Base Settings: Brownstone Default Information Field: Complexity Information