Test Bank Clinical Chemistry: Principles, Techniques, and Correlations – 9th Edition by Michael L. Bishop | Complete Test Bank with Questions and Answers

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Clinical Chemistry: Principles, Techniques, and Correlations

Michael L. Bishop, Edward P. Fody, Carleen Van Siclen & James March Mistler
9TH Edition

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Chapter: Chapter 01



Multiple Choice



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. 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

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Subject: Chapter 1
Title: Basic Principles and Practices of Clinical Chemistry



3. 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


4. 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



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

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7. 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



8. 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

9. 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

10. What is the normality of a solution containing 4.5 grams of BaCl2 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