Chapter 10 Math 297
17. Each of the following is a metric prefi x except
_____.
A. nano-
B. maxi-
C. mega-
D. giga-
18. The three basic statistical terms used to ana-
lyze information are _____.
A. averages, median, sum
B. median, mean, mode
C. mean, estimate, prediction
D. total, mode, sum
19. The mode of a set of numbers is _____.
A. the average
B. the sum of the numbers
C. an estimation
D. the number that occurs most frequently
in a number set
20. The top number of a fraction is called the _____.
A. denominator
B. numerator
C. reciprocal
D. remainder
21. Which of the following statements about
decimal fractions is true?
A. They are a special type of fractions that
most people fi nd easy to use.
B. They are also called decimals.
C. Decimal fractions represent parts of the
whole.
D. All of the above.
22. Which of the following statements about
division is true?
A. Division problems can be written several
ways.
B. The most common symbol for division
is (÷).
C. The number that gets divided is called
the dividend.
D. All of the above.
23. Which of the following is not a format of a
graph or chart?
A. Roman graph
B. bar graph
C. pie chart
D. line graph
24. Which of the following statements about
multiplication is false?
A. Multiplication is a shortcut for subtraction.
B. The standard symbol for multiplication
is (×).
C. Other symbols for multiplication are
parentheses (1)(8) or an asterisk (*).
D. The numbers to be multiplied are called
the multiplicands.
25. Which of the following statements about the
12-hour clock is true?
A. The 12-hour clock is used in all hospitals.
B. The military uses the 12-hour clock
exclusively.
C. The 12-hour clock has unique numbers
for each hour of the day.
D. The 12-hour clock is commonly used in
our everyday lives.
Critical Thinking Exercises
26. Some students argue that learning basic
math skills such as the multiplication tables
is not important because the calculator can
do all math calculations for them. Why is it
important to learn basic math skills? How
will basic math skills be used during your
healthcare career?
27. Why is it important for members of a health-
care team to use the 24-hour clock?
28. Do you have a preferred type of graph or
table used to express data for analysis? pie
chart? bar graph? line graph? simple table?
Explain why you fi nd one method better
for expressing and analyzing data than the
others.
29. Do you think that the United States should
begin using the metric system and the
24-hour clock exclusively? Do you think a
mathematic change to the metric system will
happen in the future? Why or why not?
30. Which type of calculation do you fi nd the
most confusing? fractions? percentages?
measurement conversions? algebra? basic
arithmetic? Why? What can you do to feel
more comfortable when performing the cal-
culations that confuse you?