Updated/Latest Radiologic Science for Technologists Physics Biology and Protection 12th Edition Stewart C. Bushong Test Bank Complete Chapters 1–40 Comprehensive Radiologic Science Resource Practice Questions Answers Rationales ARRT Exam Review Medical Im

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




1. Matter is measured in
L L L L .
a. kilograms
b. joules
c. electron volts L



d. rems

ANS: A L



Matter is measured in kilograms.
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2. Atoms and molecules are the fundamental building blocks of
L L L L L L L L L .
a. energy
b. radiation
c. matter
d. gravity
ANS: C L



Atoms and molecules are the fundamental building blocks of matter.
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3. Ice and steam are examples of two forms of
L L L L L L L L L .
a. matter
b. radiation
c. energy
d. work
ANS: A L



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
L L L L L L L L L L L L L L L L L .
a. x-rays
b. electromagnetic radiation L



c. nuclear power L



d. cathode ray tubes L L




ANS: C L



The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
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5. Radio waves, light, and x-rays are all examples of
L L L L L L L L L energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D L



Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
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spectrum.
L

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



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 L



c. Irradiation
d. Electricity

ANS: A L



The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing
L L L L L L from atoms as it passes through the
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L matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C L



Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
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9. The energy of x-rays is
L L L L L .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D L



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
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.
a. atomic fallout L



b. diagnostic x-rays L



c. smoke detectors L



d. nuclear power plants L L




ANS: B L



Medical x-ray exposure is the biggest source of man-made radiation.
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11. In the United States, we are exposed to
L L L L L L L L mSv/year of ionizing radiation from the
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L natural environment. L



a. 0 to 5 L L



b. 5 to 20 L L



c. 20 to 90 L L

, d. 100 to 300 L L




ANS: A L



We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in
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the United States.
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12. is a special quantity of radiologic science. L L L L L L



a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C L



Radioactivity is a special quantity of radiologic science.
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13. Today, radiology is considered to be a(n)
L L L L L L L occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A L



Today, radiology is considered to be a safe occupation because of effective radiation protection
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practices.
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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 L L L L



d. As Low As Regulations Allow
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ANS: B L



ALARA means As Low As Reasonably Achievable.
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15. Computed tomography was developed in the
L L L L L L .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C L



Computed tomography was developed in the 1970s.
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16. Filtration is used to L .L L L



a. absorb low-energy x-rays L L



b. remove high-energy x-rays L L



c. restrict the useful beam to the body part imaged
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d. fabricate gonadal shields L L




ANS: A L



Filtration is used to absorb low-energy x-rays.
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, TRUE/FALSE

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



Mass is the quantity of matter as described by its energy equivalence.
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2. Radiation is the removal of an electron from an atom.
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ANS: F L



Ionization is the removal of an electron from an atom.
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3. Radiology emerged as a medical specialty because of the Snook transformer and the Crookes
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L x-ray tube. L




ANS: F L



Radiology emerged as a medical specialty because of the Snook transformer and the Coolidge
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x-ray tube.
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Chapter 02: Basic Physics Primer
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Bushong: Radiologic Science for Technologists, 12th Edition
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MULTIPLE CHOICE L




1. The basic quantities measured in mechanics are
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L L .
a. volume; length; meters L L



b. mass; length; time L L



c. radioactivity; dose; exposure L L



d. meters; kilos; seconds L L




ANS: B L



The basic quantities measured in mechanics are mass, length, and time.
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2. An example of a derived quantity in mechanical physics is a
L L L L L L L L L L L .
a. meter
b. second
c. dose
d. volume

ANS: D L



Volume is a derived unit. L L L L




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