F,T L F,T L F,T L F,T L F,T L F,T L
Bushong: Radiologic Science for Technologists, 12th Edition
F,T L L
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MULTIPLE CHOICE F,T L
1. Matter is measured in F,T L F,T L F,T L F, TL .
a. kilograms
b. joules
c. electron volts F,T L
d. rems
ANS: F , T L A
Matter is measured in kilograms. F,T L F,T L F,T L F,T L
2. Atoms and molecules are the fundamental building blocks of
F,T L F, T L F,T L F, T L F, TL F, T L L
F,T F, T L F,T L .
a. energy
b. radiation
c. matter
d. gravity
ANS: F , T L C
Atoms and molecules are the fundamental building blocks of matter.
F,T L F,T L F,T L L
F, T L
F, T F,T L F,T L F,T L F,T L
3. Ice F,T and steam are examples of two forms of
L L
F, T F, T L F, T L F, T L F,T L L
F,T F, T L F,T L .
a. matter
b. radiation
c. energy
d. work
ANS: F , T L A
Ice and steam are examples of two forms of matter.
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F,T F,T L F,T L L
F,T F,T L F,T L F,T L L
F,T L
F, T
4. The formula E = mc2 is the basis for the theory that led to the development of
F,T L F, T L F,T L F,T L F, T L F,T L F,T L F, T L F,T L F,T L F,T L F,T L F, T L F,T L F, T L F,T L F, T L .
a. x-rays
b. electromagnetic radiation F,T L
c. nuclear power L
F,T
d. cathode ray tubes L
F,T L
F,T
ANS: F , T L C
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
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F,T L
F, T F ,T L L
F,T F ,T L F,T L L
F,T L
F, T L
F,T F ,T L L
F,T F,T L F,T L L
F,T L
F, T F, T L F, T L F,T L
5. Radio waves, light, and x-rays are all examples of
F,T L F,T L F,TL F, T L F,T L F,T L F,T L F, TL F ,T L energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: F , T L D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the L
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F,T L
F,T F,T L L
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spectrum.
F,T L
, 6. A moving object has
F ,T L F,T L F,T L F,T L energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: F , T L B
A moving object has kinetic energy.
F,T L L
F,T L
F,T F,T L F,T L
7. What is the removal of an electron from an atom called?
L
F,T F,T L F, T L F,T L F,T L F,T L L
F,T F,T L F,T L F, T L
a. Ionization
b. Pair production F,T L
c. Irradiation
d. Electricity
ANS: F , T L A
The removal of an electron from an atom is called ionization.
F,T L F,T L F,T L F,TL L
F,T F,T L L
F,T F,T L F,T L F, T L
8. Ionizing radiation is capable of removing F, T L F, T L F, T L F, T L F,T L F,T L from atoms as it passes through the
L
F,T L
F,T L
F,T L
F,T L
F,T L
F,T
F,T L matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: F , T L C
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
F,T L F,TL L
F,T F,TL L
F,T L
F,T F,T L L
F,T L
F,T F, T L L
F,T L
F, T L
F,T F,T L
9. The energy of x-rays is F, T L F,TL F,T L F, T L L
F, T .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: F , T L D
X-rays are a form of electromagnetic energy. F,T L F,T L L
F,T F,T L F,T L L
F,T
10. The biggest source of man-made ionizing radiation exposure to the public is
L
F,T F,TL L
F,T F, TL F,T L L
F,T F, T L F,T L L
F,T F,T L L
F, T
.
a. atomic fallout F,T L
b. diagnostic x-rays F,T L
c. smoke detectors L
F,T
d. nuclear power plants F,T L F,T L
ANS: F , T L B
Medical x-ray exposure is the biggest source of man-made radiation. L
F,T F,T L F,T L F,T L F,T L F,T L L
F,T F,T L F, T L
11. In the United States, we are exposed to
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F, T F,T L F, T L L
F,T F,T L L
F, T F,T L L
F,T mSv/year of ionizing radiation from the
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F L
F,T L
F,T
F,T L natural environment. F,T L
a. 0 to 5 F,T L F,TL
b. 5 to 20 F,T L F,TL
c. 20 to 90 F,T L L
F,T
, d. 100 to 300 F,T L L
F,T
ANS: F , T L A
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
F,T F,T L F, T L L
F,T F,T L F,T L
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: F , T L C
Radioactivity is a special quantity of radiologic science. L
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13. Today, radiology is considered to be a(n)F,T L L
F,T F,T L F,T L L
F,T F,T L F,T L occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: F , T L A
Today, radiology is considered to be a safe occupation because of effective radiation
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protection practices.
F,T L F,T L
14. What does ALARA mean? L
F,T F,TL F,T L
a. All Level Alert Radiation Accident F, T L F,T L F,T L F,T L
b. As Low As Reasonably Achievable L
F,T F,T L F,T L F,T L
c. Always Leave A Restricted Area F, T L F,T L F,T L F,T L
d. As Low As Regulations Allow L
F,T F,T L L
F,T F,T L
ANS: F , T L B
ALARA means As Low As Reasonably Achievable. L
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F, T F ,T L F,T L F,T L L
F,T
15. Computed tomography was developed in the F,T L F,T L F, T L F, TL F,T L F, TL .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: F , T L C
Computed tomography was developed in the 1970s. F,T L L
F,T F, T L L
F,T F,T L F, T L
16. Filtration is used to . F, T L F, T L F,T L F,T L
a. absorb low-energy x-rays F, T L L
F,T
b. remove high-energy x-rays F, T L L
F,T
c. restrict the useful beam to the body part imaged F,T L F,T L F,T L F, T L L
F,T F,T L L
F,T L
F,T
d. fabricate gonadal shields L
F,T L
F,T
ANS: F , T L A
Filtration is used to absorb low-energy x-rays. F,T L F, T L F,T L F,T L F,T L L
F,T
, TRUE/FALSE
1. Mass is the quantity of matter as described by its energy equivalence.
F,T L F, T L F,T L F,T L F,T L F,T L F, T L F, T L F,T L F, T L F,T L
ANS: F , T L T
Mass is the quantity of matter as described by its energy equivalence.
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F,T F,T L F,T L F, T L F, T L L
F,T F,T L L
F,T
2. Radiation is the removal of an electron from an atom. F,T L F,T L L
F,T F,T L F,T L F,T L L
F,T F,T L F ,T L
ANS: F , T L F
Ionization is the removal of an electron from an atom. F,TL F,T L F,T L F, T L F,T L F,T L L
F,T L
F, T F,T L
3. Radiology emerged as a medical specialty because of the Snook transformer and the Crookes F,T L F,T L F,T L L
F,T L
F,T L
F,T F,T L L
F,T F,T L F,T L F,T L F,T L F,T L
F,T L x-ray tube. F, T L
ANS: F , T L F
Radiology emerged as a medical specialty because of the Snook transformer and the Coolidge ,FTL L
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F,T F,T L L
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x-ray tube.
F,T L F, T L
Chapter 02: Basic Physics Primer
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F,T
Bushong: Radiologic Science for Technologists, 12th Edition
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MULTIPLE CHOICE F,T L
1. The basic quantities measured in mechanics are
F,T L F, T L F, T L F, T L F,T L F, T L F, T L , L
F,T , and
F,T L F,T L .
a. volume; length; meters F,T L F,T L
b. mass; length; time F,T L F,T L
c. radioactivity; dose; exposure L
F,T L
F,T
d. meters; kilos; seconds F,T L L
F, T
ANS: F , T L B
The basic quantities measured in mechanics are mass, length, and time.
L
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F,T F,T L F,T L L
F,T L
F,T L
F,T F ,T L L
F, T
2. An F, T example of a derived quantity in mechanical physics is a
L F, T L F,T L F,T L F, T L L
F,T F,T L F,T L F, T L L
F, T L
F, T .
a. meter
b. second
c. dose
d. volume
ANS: F , T L D
Volume is a derived unit. F,T L F,T L L
F,T F, T L
3. Exposure is measured in units of L
F,T F, TL F, T L F,T L F ,T L F,T L .
a. becquerel
b. sieverts
c. meters
d. grays
ANS: F , T L D