TEST BANK For Radiologic Science For Technologists 12th Edition By Stewart C Bushong LATEST UPDATE

BushongRadiologicScienceforTechnologists,
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k 12th Edition Test bank A+
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,Chapter 01: Essential Concepts of Radiologic Science Bushong:
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RadiologicScienceforTechnologists,12thEdition
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MULTIPLECHOICE k




1. Matter is measured in k k k .
a. kilograms
b. joules
c. electronvolts k




d. rems

ANS: A k




Matteris measured in kilograms.
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2. Atoms and molecules are the fundamental buildingblocks of
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a. energy
b. radiation
c. matter
d. gravity

ANS: C k




Atoms and molecules are the fundamental buildingblocks ofmatter.
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3. Ice and steam are examples of two forms of
k k k k k k k k .
a. matter
b. radiation
c. energy
d. work

ANS: A k




Ice and steam are examples of two forms of matter.
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4. Theformula E = mc2 is the basis for the theorythat led to the development of
k k k k k k k k k k k k k k k k .
a. x-rays
b. electromagneticradiation k




c. nuclearpower k




d. cathode raytubes k k




ANS: C k




Theformula E = mc2 is the basis for the theorythat led to the development of nuclear power.
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5. Radiowaves, light, and x-rays areall examples of
k k k k k k k k energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic

ANS: D k




Electromagnetic energyincludesradio waves, light,andx-rays as well asother partsofthe spectrum.
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, 6. A movingobject has
k k k energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic

ANS: B k




Amovingobject has kinetic energy.
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7. What isthe removal of an electron from an atom called?
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a. Ionization
b. Pairproduction k




c. Irradiation
d. Electricity

ANS: A k




Theremoval of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing k k k k k fromatomsasitpassesthroughthe
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kmatter.
a. neutrons
b. protons
c. electrons
d. ions

ANS: C k




Ionizing radiation is capable ofremovingelectrons from atoms as it passes through the matter.
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9. Theenergyof x-rays is _
k k k k k .
a. thermal
b. potential
c. kinetic
d. electromagnetic

ANS: D k




X-rays are aform of electromagnetic energy.
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10. Thebiggest source of man-madeionizing radiation exposure to the public is
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.
a. atomicfallout k




b. diagnosticx-rays k




c. smokedetectors k




d. nuclearpower plants k k




ANS: B k




Medical x-rayexposureis thebiggest source of man-made radiation.
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11. In the United States, we are exposed to
k k k k k k k _mSv/yearofionizingradiationfromthe
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knatural environment. k




a. 0 to 5 k k




b. 5 to 20 k k




c. 20 to 90 k k

, d. 100 to 300 k k




ANS: A k




Weareexposedto about 3 mSv/yr ofionizingradiation from natural environmental sources in the
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United States.
k k




12. is aspecial quantityof radiologic science. k k k k k k




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




Radioactivityis a special quantityof radiologic science. k k k k k k k




13. Today, radiologyis considered to be a(n)
k k k k k k occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk

ANS: A k




Today, radiologyisconsidered tobe asafeoccupation becauseofeffective radiation protection
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practices.
k




14. Whatdoes ALARA mean?
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a. All Level Alert Radiation Accident
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b. As Low As ReasonablyAchievable
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c. Always LeaveA Restricted Area k k k k




d. As LowAs Regulations Allow
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ANS: B k




ALARA means As Low As ReasonablyAchievable.
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15. Computed tomographywas developed in the k k k k k .
a. 1890s
b. 1920s
c. 1970s
d. 1990s

ANS: C k




Computed tomographywas developed in the 1970s. k k k k k k




16. Filtration is usedto k . k k




a. absorb low-energyx-rays k k




b. remove high-energyx-rays k k




c. restrict the useful beam to the bodypart imaged k k k k k k k k




d. fabricate gonadal shields k k




ANS: A k




Filtration is used to absorb low-energyx-rays.
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