Radiologic Science for Technologists: Physics, Biology, and Protection 12th Edition by Stewart C. Bushong__Comprehensive Test Bank |ISBN: 9780323661348| Guide A+

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TEST BANK
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Test Bank for Radiologic Science for Technologists
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Stewart C. Bushong
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12th Edition
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Bushong: Radiologic Science for Technologists, 12th Edition


Chapter 01: Essential Concepts of Radiologic Science
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MULTIPLE CHOICE

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

2. Atoms and molecules are the fundamental building blocks of .
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a. energy
b. radiation
c. matter
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d. gravity
ANS: C
Atoms and molecules are the fundamental building blocks of matter.
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3. Ice and steam are examples of two forms of .
a. matter
b. radiation
c. energy
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d. work
ANS: A
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 .
a. x-rays
b. electromagnetic radiation
c. nuclear power
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d. cathode ray tubes
ANS: C
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 energy.
a. nuclear
b. thermal
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c. electrical
d. electromagnetic
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ANS: D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
spectrum.

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

7. What is the removal of an electron from an atom called?
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a. Ionization
b. Pair production
c. Irradiation
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d. Electricity
ANS: A
The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing from atoms as it passes through the
matter.
a. neutrons
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b. protons
c. electrons
d. ions
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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
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b. potential
c. kinetic
d. electromagnetic
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ANS: D
X-rays are a form of electromagnetic energy.

10. The biggest source of man-made ionizing radiation exposure to the public is
.
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a. atomic fallout
b. diagnostic x-rays
c. smoke detectors
d. nuclear power plants
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ANS: B
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 _ mSv/year of ionizing radiation from the
natural environment.
a. 0 to 5
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b. 5 to 20
c. 20 to 90

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

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

13. is a special quantity of radiologic science.
a. Mass
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b. Velocity
c. Radioactivity
d. Momentum
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ANS: C
Radioactivity is a special quantity of radiologic science.
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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
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ANS: B
ALARA means As Low As Reasonably Achievable.
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15. Computed tomography was developed in the .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
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ANS: C
Computed tomography was developed in the 1970s.
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16. Filtration is used to .
a. absorb low-energy x-rays
b. remove high-energy x-rays
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c. restrict the useful beam to the body part imaged
d. fabricate gonadal shields
ANS: A
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Filtration is used to absorb low-energy x-rays.