Chapter 02 Basic Physics Primer-Bushong Test Bank

Chapter 02: Basic Physics Primer Bushong: Radiologic Science for Technologists



MULTIPLE CHOICE

1. The basic quantities measured in mechanics are _ , , and . a. volume; length;
meters
b. mass; length; time
c. radioactivity; dose; exposure
d. meters; kilos; seconds
ANS: B
The basic quantities measured in mechanics are mass, length, and time.

2. An example of a derived quantity in mechanical physics is a . a. meter
b. second
c. dose
d. volume
ANS: D
Volume is a derived unit.

3. Exposure is measured in units of .
a. becquerel
b. sieverts
c. meters
d. grays
ANS: D
Exposure is measured in units of grays.

4. What is the decimal equivalent of the proper fraction 4/1000?
a. 0004
b. 004
c. 04
d. 4
ANS: B
The decimal equivalent of the proper fraction 4/1000 is .004.

5. What is the decimal equivalent of the improper fraction 289/74?
a. 390
b. 3.90
c. 39.0

, d. 390.0
ANS: B
The decimal equivalent of the improper fraction 289/74 is 3.90.

6. The first step to expressing a number in scientific notation is to .
a. round up to the nearest 1000
b. round down to the nearest 1000
c. write the number in decimal form
d. write the number as a fraction
ANS: C
The first step to expressing a number in scientific notation is to write the number in
decimal form.

7. What is 6080 in exponential form?
a. 6080.0  104
b. 608.0  104
c. 6.080  103
d. 6080  103
ANS: C
The number 6080 in exponential form is 6.080  103

8. Graphs are typically based on two axes; a and a . a. y-axis; z-axis
b. oblique; horizontal
c. x-axis; y-axis
d. vertical; oblique
ANS: C
Most graphs are based on two axes: a horizontal or x-axis and a vertical or y-axis.

9. In radiologic science, all of the following are special quantities, except: a. exposure.
b. distance.
c. dose.
d. effective dose.
ANS: B
In radiologic science, special quantities are those of exposure, dose, effective dose, and
radioactivity.


10. The SI unit of velocity is .
a. meters per second
b. miles per hour
c. meters per millisecond