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gists 12th Edition by Stewart C Bushong Chapte
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Bushong Radiologic Science for Technologists, 1
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Chapter m01:mEssentialmConcepts mofmRadiologic mScience mBushon
g:mRadiologic mScience mfor mTechnologists,m12thmEdition
MULTIPLEmCHOICE
1. Mattermismmeasured min .
a. kilograms
b. joules
c. electronmvolts
d. rems
ANS:m A
Mattermismmeasured minmkilograms.
2. Atomsmand mmoleculesmaremthemfundamentalmbuildingmblocksmof .
a. energy
b. radiation
c. matter
d. gravity
ANS:m C
Atomsmand mmoleculesmaremthemfundamentalmbuildingmblocksmof mmatter.
3. Icemand msteammaremexamplesmof mtwomformsmof .
a. matter
b. radiation
c. energy
d. work
ANS:m A
Icemand msteammaremexamplesmof mtwomformsmof mmatter.
4. ThemformulamEm=mmc2 mismthembasismformthemtheorymthat mled mtomthemdevelopment mof .
a. x-rays
b. electromagneticmradiation
c. nuclearmpower
d. cathodemraymtubes
ANS:m C
ThemformulamEm=mmc2 mismthembasismformthemtheorymthat mled mtomthemdevelopment mof mnuclearmpower.
5. Radiomwaves,mlight,mand mx-raysmaremallmexamplesmof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS:m D
Electromagneticmenergymincludesmradiomwaves,mlight,mand mx-
raysmasmwellmasmothermpartsmof mthemspectrum.
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6. A mmovingmobject mhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:m B
A mmovingmobject mhasmkineticmenergy.
7. What mismthemremovalmof manmelectronmfrommanmatommcalled?
a. Ionization
b. Pairmproduction
c. Irradiation
d. Electricity
ANS:m A
Themremovalmof manmelectronmfrommanmatommismcalled mionization.
8. Ionizingmradiationmismcapablemof mremoving
frommatomsmasmit mpassesmthroughmth
emmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS:m C
Ionizingmradiationmismcapablemof mremovingmelectronsmfrommatomsmasm it mpassesmthroughmthemmatter
.
9. Themenergymof mx-raysmism_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS:m D
X-raysmaremamformmof melectromagneticmenergy.
10. Thembiggest msourcemof mman-mademionizingmradiationmexposuremtomthempublicmis
.
a. atomicmfallout
b. diagnosticmx-rays
c. smokemdetectors
d. nuclearmpowermplants
ANS:m B
Medicalmx-raymexposuremismthembiggest msourcemof mman-mademradiation.
11. InmthemUnited mStates,mwemaremexposed mto
_mmSv/yearmof mionizingmradiationmfrommth
emnaturalmenvironment.
a. 0mtom5
b. 5mtom20
c. 20mtom90
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