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