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Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition
Test bank

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Chapter: Chapter 01 – Test Bank



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. 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

© Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-1

,Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition
Test bank
Ahead: Laboratory Mathematics and Calculations




© Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-2

,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
© Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-3

, Clinical Chemistry: Principles, Techniques, and Correlations, Ninth Edition
Test bank
Title: Basic Principles and Practices of Clinical Chemistry




© Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-4