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
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
