Test Bank for Radiologic Science for Technologists 13th Edition By Stewart C. Bushong, and Elizabeth Shields| 9780323765367| All Chapters| LATEST

,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
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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
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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
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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
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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.
@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
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ter.

9. The energy of -rays is _
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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)
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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
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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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