Bushong Radiologic Science for Technologists, 12th Edition Test bank A+ 2025/2026

TestBankForRadiologicScienceforTechnologists12th
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Edition by Bushong Chapter 1-40 [Updated 2024]
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TESTBANK l

,Chapter 01: Essential Concepts of Radiologic Science
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Bushong:RadiologicScienceforTechnologists,12thEdition
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MULTIPLECHOICE l




1. Matterismeasured in l l l .
a. kilograms
b. joules
c. electronvolts l




d. rems
ANS: A l




Matterismeasuredinkilograms. l l l l




2. Atomsandmolecules are thefundamental buildingblocksof
l l l l l l l l .
a. energy
b. radiation
c. matter
d. gravity
ANS: C l




Atomsandmolecules are thefundamental buildingblocks ofmatter.
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3. Iceandsteam areexamplesoftwo forms of
l l l l l l l l .
a. matter
b. radiation
c. energy
d. work
ANS: A l




Iceandsteam areexamples oftwoforms ofmatter.
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4. TheformulaE =mc2 isthe basis forthe theorythat led to thedevelopment of
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l l l l l l l l l l l .
a. x-rays
b. electromagneticradiation l




c. nuclearpower l




d. cathode raytubes l l




ANS: C l




TheformulaE=mc2 isthe basisfor thetheorythat led tothedevelopment ofnuclear power.
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5. Radiowaves, light, andx-rays areall examplesof
l l l l l l l l energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D l




Electromagneticenergyincludes radiowaves,light, andx-rays as wellasotherpartsofthe spectrum.
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, 6. Amovingobject has
l l l energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B l




Amovingobject has kinetic energy.
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7. Whatistheremoval ofan electron from an atom called?
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a. Ionization
b. Pairproduction l




c. Irradiation
d. Electricity
ANS: A l




Theremoval ofan electron from an atomis called ionization.
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8. Ionizing radiation is capable of removing l l l l l fromatomsasitpassesthroughthe
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matter.
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a. neutrons
b. protons
c. electrons
d. ions
ANS: C l




Ionizingradiation iscapable ofremovingelectrons from atomsasitpasses through thematter.
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9. Theenergyof x-rays is_
l l l l l .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D l




X-rays areaformofelectromagneticenergy.
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10. Thebiggest sourceof man-made ionizingradiation exposureto thepublicis
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.
a. atomicfallout l




b. diagnosticx-rays l




c. smokedetectors l




d. nuclearpowerplants l l




ANS: B l




Medicalx-rayexposureis thebiggest sourceof man-made radiation.
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11. In the United States, we are exposed to
l l l l l l l _mSv/yearofionizingradiationfromthe
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natural environment.
l l




a. 0 to 5 l l




b. 5 to 20 l l




c. 20 to 90 l l

, d. 100 to 300 l l




ANS: A l




Weareexposedtoabout3mSv/yr ofionizingradiation fromnatural environmentalsources in the
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United States.
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12. Today, radiologyis considered tobea(n)
l l l l l l occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A l




Today, radiologyisconsideredtobeasafeoccupationbecauseofeffectiveradiation protection
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practices.
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13. isaspecial quantityofradiologicscience. l l l l l l




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




Radioactivityis aspecial quantityofradiologic science. l l l l l l l




14. Whatdoes ALARAmean?
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a. All LevelAlertRadiationAccident
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b. As Low AsReasonablyAchievable
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c. Always LeaveARestrictedArea l l l l




d. As Low AsRegulationsAllow
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ANS: B l




ALARAmeans As Low As ReasonablyAchievable.
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15. Computedtomographywas developed in the l l l l l .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C l




Computedtomographywasdeveloped inthe 1970s. l l l l l l




16. Filtrationisused to .
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a. absorblow-energyx-rays l l




b. removehigh-energyx-rays l l




c. restricttheuseful beamto thebodypart imaged l l l l l l l l




d. fabricategonadalshields l l




ANS: A l




Filtrationisusedtoabsorblow-energyx-rays. l l l l l l