Test Bank for Radiologic Science for Technologists 12th Edition by Edwin B. Bushong – Complete Chapters 1–40 Exam Questions and Answers 2026 Updated

Test bank for radiologic science forTest
technologists
bank for radiologic
12th edition
science
by bushong
for technologists
chapter 1 12th
40 edition by bushong chapter 1 40 2026-03-11


Chapter 01: Essential Concepts of Radiologic Science
Bushong: Radiologic Science for Technologists, 12th Edition


MULTIPLE CHOICE

1. Matter is measured in ___________.
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.

2. Atoms and molecules are the fundamental building blocks of ___________.
a. energy
b. radiation
c. matter
d. gravity
ANS: C
Atoms and molecules are the fundamental building blocks of matter.

3. Ice and steam are examples of two forms of ___________.
a. matter
b. radiation
c. energy
d. work
ANS: A
Ice and steam are examples of two forms of matter.

4. The formula E = mc2 is the basis for the theory that led to the development of __________.
a. x-rays
b. electromagnetic radiation
c. nuclear power
d. cathode ray tubes
ANS: C
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.

5. Radio waves, light, and x-rays are all examples of _________ energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
spectrum.




Page 1 Test bank for1 radiologic science for technologists 12th edition by bushong chapter 1 40.pdf

,Test bank for radiologic science forTest
technologists
bank for radiologic
12th edition
science
by bushong
for technologists
chapter 1 12th
40 edition by bushong chapter 1 40 2026-03-11


6. A moving object has ____________ energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.

7. What is the removal of an electron from an atom called?
a. Ionization
b. Pair production
c. Irradiation
d. Electricity
ANS: A
The removal of an electron from an atom is called ionization.

8. Ionizing radiation is capable of removing ____________ from atoms as it passes through the
matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.

9. The energy of x-rays is ___________.
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D
X-rays are a form of electromagnetic energy.

10. The biggest source of man-made ionizing radiation exposure to the public is
______________.
a. atomic fallout
b. diagnostic x-rays
c. smoke detectors
d. nuclear power plants
ANS: B
Medical x-ray exposure is the biggest source of man-made radiation.

11. In the United States, we are exposed to _________ mSv/year of ionizing radiation from the
natural environment.
a. 0 to 5
b. 5 to 20
c. 20 to 90




Page 2 Test bank for2 radiologic science for technologists 12th edition by bushong chapter 1 40.pdf

,Test bank for radiologic science forTest
technologists
bank for radiologic
12th edition
science
by bushong
for technologists
chapter 1 12th
40 edition by bushong chapter 1 40 2026-03-11


d. 100 to 300
ANS: A
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in
the United States.

12. ___________ is a special quantity of radiologic science.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C
Radioactivity is a special quantity of radiologic science.

13. Today, radiology is considered to be a(n) ___________ occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A
Today, radiology is considered to be a safe occupation because of effective radiation
protection practices.

14. What does ALARA mean?
a. All Level Alert Radiation Accident
b. As Low As Reasonably Achievable
c. Always Leave A Restricted Area
d. As Low As Regulations Allow
ANS: B
ALARA means As Low As Reasonably Achievable.

15. Computed tomography was developed in the ________.
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C
Computed tomography was developed in the 1970s.

16. Filtration is used to ____________________.
a. absorb low-energy x-rays
b. remove high-energy x-rays
c. restrict the useful beam to the body part imaged
d. fabricate gonadal shields
ANS: A
Filtration is used to absorb low-energy x-rays.




Page 3 Test bank for3 radiologic science for technologists 12th edition by bushong chapter 1 40.pdf

, Test bank for radiologic science forTest
technologists
bank for radiologic
12th edition
science
by bushong
for technologists
chapter 1 12th
40 edition by bushong chapter 1 40 2026-03-11


TRUE/FALSE

1. Mass is the quantity of matter as described by its energy equivalence.

ANS: T
Mass is the quantity of matter as described by its energy equivalence.

2. Radiation is the removal of an electron from an atom.

ANS: F
Ionization is the removal of an electron from an atom.

3. Radiology emerged as a medical specialty because of the Snook transformer and the Crookes
x-ray tube.

ANS: F
Radiology emerged as a medical specialty because of the Snook transformer and the Coolidge
x-ray tube.



Chapter 02: Basic Physics Primer
Bushong: Radiologic Science for Technologists, 12th Edition


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




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