Edition by Bushong Chapter 1-40 [Updated 2024]
TEST BANK ki
,Chapter 01: Essential Concepts of Radiologic Science Bushong:
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Radiologic Science for Technologists, 12th Edition
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MULTIPLE CHOICE ki
1. Matter is measured in ki ki ki .
a. kilograms
b. joules
c. electron volts ki
d. rems
ANS: A ki
Matter is measured in kilograms.
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2. Atoms and molecules are the fundamental building blocks of
ki ki ki ki ki ki ki ki .
a. energy
b. radiation
c. matter
d. gravity
ANS: C ki
Atoms and molecules are the fundamental building blocks of matter.
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3. Ice and steam are examples of two forms of
ki ki ki ki ki ki ki ki .
a. matter
b. radiation
c. energy
d. work
ANS: A ki
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
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k i
ki ki ki ki ki ki ki ki ki ki ki .
a. x-rays
b. electromagnetic radiation ki
c. nuclear power ki
d. cathode ray tubes ki ki
ANS: C ki
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
ki ki ki ki ki ki ki ki energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D ki
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
ki ki ki energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B ki
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 ki
c. Irradiation
d. Electricity
ANS: A ki
The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing ki ki ki ki ki
from atoms as it passes through the m
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atter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C ki
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 _
ki ki ki ki ki .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D ki
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 ki
b. diagnostic x-rays ki
c. smoke detectors ki
d. nuclear power plants ki ki
ANS: B ki
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
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_ mSv/year ofionizing radiation from the na
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tural environment.
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a. 0 to 5 ki ki
b. 5 to 20 ki ki
c. 20 to 90 ki ki
, d. 100 to 300 ki ki
ANS: A ki
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the
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United States. ki
12. Today, radiology is considered to be a(n)
ki ki ki ki ki ki occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A ki
Today, radiology is considered to be a safe occupation because of effective radiation protection pra
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ctices.
13. is a special quantity of radiologic science. ki ki ki ki ki ki
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C ki
Radioactivity is a special quantity of radiologic science. ki ki ki ki ki ki ki
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 ki ki ki ki
d. As Low As Regulations Allow
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ANS: B ki
ALARA means As Low As Reasonably Achievable.
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15. Computed tomography was developed in the ki ki ki ki ki .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C ki
Computed tomography was developed in the 1970s.ki ki ki ki ki ki
16. Filtration is used to ki . ki ki
a. absorb low-energy x-rays ki ki
b. remove high-energy x-rays ki ki
c. restrict the useful beam to the body part imaged ki ki ki ki ki ki ki ki
d. fabricate gonadal shields ki ki
ANS: A ki
Filtration is used to absorb low-energy x-rays.
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