BushongRadiologicScienceforTechnologists,
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12th Edition Test bank A+
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,Chapter 01: Essential Concepts of Radiologic Science Bushong:
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Radiologic Science for Technologists, 12th Edition
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MULTIPLE CHOICE h
1. Matter is measured in
h h h .
a. kilograms
b. joules
c. electron volts h
d. rems
ANS: A h
Matter is measured in kilograms.
h h h h
2. Atoms and molecules are the fundamental building blocks of
h h h h h h h h .
a. energy
b. radiation
c. matter
d. gravity
ANS: C h
Atoms and molecules are the fundamental building blocks of matter.
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3. Ice and steam are examples of two forms of
h h h h h h h h .
a. matter
b. radiation
c. energy
d. work
ANS: A h
Ice and steam are examples of two forms of matter.
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4. The formula E = mc2 is the basis for the theory that led to the development of
h h h h h h h h h h h h h h h h .
a. x-rays
b. electromagnetic radiation h
c. nuclear power h
d. cathode ray tubes h h
ANS: C h
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
h h h h h h h h h h h h h h h h h h
5. Radio waves, light, and x-rays are all examples of
h h h h h h h h energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D h
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum.
h h h h h h h h h h h h h h h
, 6. A moving object has
h h h energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B h
A moving object has kinetic energy.
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7. What is the removal of an electron from an atom called?
h h h h h h h h h h
a. Ionization
b. Pair production h
c. Irradiation
d. Electricity
ANS: A h
The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing h h h h h from atoms as it passes through the
h h h h h h
h matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C h
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
h h h h h h h h h h h h h h
9. The energy of x-rays is _
h h h h h .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D h
X-rays are a form of electromagnetic energy.
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10. The biggest source of man-made ionizing radiation exposure to the public is
h h h h h h h h h h h
.
a. atomic fallout h
b. diagnostic x-rays h
c. smoke detectors h
d. nuclear power plants h h
ANS: B h
Medical x-ray exposure is the biggest source of man-made radiation.
h h h h h h h h h
11. In the United States, we are exposed to
h h h h h h h _ mSv/year of ionizing radiation from the
h h h h h h
h natural environment. h
a. 0 to 5 h h
b. 5 to 20 h h
c. 20 to 90 h h
, d. 100 to 300 h h
ANS: A h
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the
h h h h h h h h h h h h h h h
United States.
h h
12. is a special quantity of radiologic science. h h h h h h
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C h
Radioactivity is a special quantity of radiologic science. h h h h h h h
13. Today, radiology is considered to be a(n)
h h h h h h occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A h
Today, radiology is considered to be a safe occupation because of effective radiation protection
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practices.
h
14. What does ALARA mean?
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a. All Level Alert Radiation Accident
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b. As Low As Reasonably Achievable
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c. Always Leave A Restricted Area h h h h
d. As Low As Regulations Allow
h h h h
ANS: B h
ALARA means As Low As Reasonably Achievable.
h h h h h h
15. Computed tomography was developed in the h h h h h .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C h
Computed tomography was developed in the 1970s.
h h h h h h
16. Filtration is used to h . h h
a. absorb low-energy x-rays h h
b. remove high-energy x-rays h h
c. restrict the useful beam to the body part imaged h h h h h h h h
d. fabricate gonadal shields h h
ANS: A h
Filtration is used to absorb low-energy x-rays.
h h h h h h
h h h h
12th Edition Test bank A+
h h h h h
,Chapter 01: Essential Concepts of Radiologic Science Bushong:
h h h h h h h
Radiologic Science for Technologists, 12th Edition
h h h h h h
MULTIPLE CHOICE h
1. Matter is measured in
h h h .
a. kilograms
b. joules
c. electron volts h
d. rems
ANS: A h
Matter is measured in kilograms.
h h h h
2. Atoms and molecules are the fundamental building blocks of
h h h h h h h h .
a. energy
b. radiation
c. matter
d. gravity
ANS: C h
Atoms and molecules are the fundamental building blocks of matter.
h h h h h h h h h
3. Ice and steam are examples of two forms of
h h h h h h h h .
a. matter
b. radiation
c. energy
d. work
ANS: A h
Ice and steam are examples of two forms of matter.
h h h h h h h h h
4. The formula E = mc2 is the basis for the theory that led to the development of
h h h h h h h h h h h h h h h h .
a. x-rays
b. electromagnetic radiation h
c. nuclear power h
d. cathode ray tubes h h
ANS: C h
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
h h h h h h h h h h h h h h h h h h
5. Radio waves, light, and x-rays are all examples of
h h h h h h h h energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D h
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum.
h h h h h h h h h h h h h h h
, 6. A moving object has
h h h energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B h
A moving object has kinetic energy.
h h h h h
7. What is the removal of an electron from an atom called?
h h h h h h h h h h
a. Ionization
b. Pair production h
c. Irradiation
d. Electricity
ANS: A h
The removal of an electron from an atom is called ionization.
h h h h h h h h h h
8. Ionizing radiation is capable of removing h h h h h from atoms as it passes through the
h h h h h h
h matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C h
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
h h h h h h h h h h h h h h
9. The energy of x-rays is _
h h h h h .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D h
X-rays are a form of electromagnetic energy.
h h h h h h
10. The biggest source of man-made ionizing radiation exposure to the public is
h h h h h h h h h h h
.
a. atomic fallout h
b. diagnostic x-rays h
c. smoke detectors h
d. nuclear power plants h h
ANS: B h
Medical x-ray exposure is the biggest source of man-made radiation.
h h h h h h h h h
11. In the United States, we are exposed to
h h h h h h h _ mSv/year of ionizing radiation from the
h h h h h h
h natural environment. h
a. 0 to 5 h h
b. 5 to 20 h h
c. 20 to 90 h h
, d. 100 to 300 h h
ANS: A h
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the
h h h h h h h h h h h h h h h
United States.
h h
12. is a special quantity of radiologic science. h h h h h h
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C h
Radioactivity is a special quantity of radiologic science. h h h h h h h
13. Today, radiology is considered to be a(n)
h h h h h h occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A h
Today, radiology is considered to be a safe occupation because of effective radiation protection
h h h h h h h h h h h h h
practices.
h
14. What does ALARA mean?
h h h
a. All Level Alert Radiation Accident
h h h h
b. As Low As Reasonably Achievable
h h h h
c. Always Leave A Restricted Area h h h h
d. As Low As Regulations Allow
h h h h
ANS: B h
ALARA means As Low As Reasonably Achievable.
h h h h h h
15. Computed tomography was developed in the h h h h h .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C h
Computed tomography was developed in the 1970s.
h h h h h h
16. Filtration is used to h . h h
a. absorb low-energy x-rays h h
b. remove high-energy x-rays h h
c. restrict the useful beam to the body part imaged h h h h h h h h
d. fabricate gonadal shields h h
ANS: A h
Filtration is used to absorb low-energy x-rays.
h h h h h h
