Test Bank For Clinical Laboratory Mathematics 1st Edition by Mark Ball (All Chapters 1-12)

Clinical Laboratory Mathematics – 1st
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Edition
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TEST BANK
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Mark Ball
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Comprehensive Test Bank for Instructors and
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Students

© Mark Ball
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All rights reserved. Reproduction or distribution without permission is prohibited.
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, Clinical Laboratory Mathematics (Ball)
Chapter 1 Arithmetic and Algebra
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1) Which of the following best defines algebra?
A) The identification of the correlation between values using strategic and numerical
manipulation
B) The manipulation of scientific and laboratory measurements to best fit the expected outcome
C) The numerical manipulation of numbers through addition, subtraction, multiplication, and
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division
D) The strategic manipulation of relationships in order to find an unknown value
Answer: D

2) Which of the following best illustrates the commutative property of addition?
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A) 5 + 3 + 2 = 10
B) 5 + (3 + 2) = (5 + 3) + 2
C) 5 + 3 + 2 = 20 - 6 - 4
D) 5 + 3 + 2 = 2 + 3 + 5
Answer: D
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3) Consider the following expression.
9 - (-3)
Which of the following expressions is another way of writing this?
A) 3 + 9
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B) 3 - 9
C) 9 + 3
D) 9 - 3
Answer: C
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4) Which of the following illustrates the commutative property of multiplication?
A) 1 × 2 × 3 = 6
B) 1 × 2 × 3 = 3 ÷ 2 ÷ 1
C) 1 × 2 × 3 = 3 × 1 × 2
D) (1 × 2) × 3 = 1 × (2 × 3)
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Answer: C

5) Which of the following best illustrates the associative property of multiplication?
A) 1 × 2 × 3 = 6
B) 1 × 2 × 3 = 3 ÷ 2 ÷ 1
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C) 1 × 2 × 3 = 3 × 1 × 2
D) (1 × 2) × 3 = 1 × (2 × 3)
Answer: D
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©2014 by Pearson Education, Inc.
Ball, Test Bank for Clinical Laboratory Mathematics 1st edition

, 6) When a positive number is multiplied by a negative number, what sign will the value of the
product always have?
A) Negative
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B) Positive
C) Neither of the above
D) The sign will vary.
Answer: A
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7) What is the product of two reciprocals?
A) 0
B) 1
C) 10
D) 100
Answer: B
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8) What does the term "denominator" refer to?
A) The number by which a fraction is divided during reducing
B) The number located on the top of a fraction
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C) The number of equal parts into which something is divided
D) The number of parts of something that are being considered
Answer: C

9) Which of the following expressions demonstrates the correct procedure for multiplying a
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fraction by a whole number?
2 10 2
A) 10 × 5 = 1 × 5
2 1 2
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B) 10 × 5 = 10 × 5
2 1 4
C) 10 × 5 = 10 × 10
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D) 10 × 5 = 10 × 5 × 2
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Answer: A

10) What is the correct procedure for dividing fractions?
A) Add the numerators and add the denominators.
B) Multiply the numerators and multiply the denominators.
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C) Multiply one fraction by the reciprocal of the other fraction.
D) Subtract the numerators and subtract the denominators.
Answer: C
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©2014 by Pearson Education, Inc.
Ball, Test Bank for Clinical Laboratory Mathematics 1st edition

, 11) Which of the following statements is necessarily true about a reduced fraction?
A) The denominator is divided until it is only divisible by zero.
B) The only number evenly divisible into both the numerator and denominator is 1.
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C) The value of the denominator is greater than the value of the numerator.
D) The value of the numerator is greater than the value of the denominator.
Answer: B

12) To add two fractions with different denominators, what must be determined for the
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denominators?
A) Improper ratio
B) Least common value
C) Lowest mixed value
D) Ratio of the means
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Answer: B

13) A fraction whose value is greater than 1 is referred to as
A) improper.
B) mixed.
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C) percentage.
D) proper.
Answer: A

14) What does a percentage represent?
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A) The number of parts out of every 100 parts
B) The total number of parts present
C) The value represented by the denominator of a fraction
D) The value represented by the numerator of a fraction
Answer: A
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15) Which of the following is a valid use of percentages?
A) They are a means for identifying the least common denominator of two fractions with
different denominators.
B) They are used for maintaining the commutative property of long addition equations.
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C) They can be used to maintain equality across an equation by performing the same operation
on both sides of the equal sign.
D) They provide a means of standardizing proportions when the total number of parts is not 100.
Answer: D
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16) What is the purpose of algebra?
A) To calculate the answer to an equation
B) To determine whether an equation fits the associated property
C) To evaluate whether an equation has a fraction
D) To identify the unknown value of a variable
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Answer: D



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©2014 by Pearson Education, Inc.
Ball, Test Bank for Clinical Laboratory Mathematics 1st edition