m m m m m m m
hong, Complete Guide Chapter 1-40.
m m m m
Chapter m01:mEssentialmConcepts mofmRadiologic mScience mBushon
g:mRadiologic mScience mformTechnologists,m12thmEdition
MULTIPLEmCHOICE
1. Mattermismmeasured minm .
a. kilograms
b. joules
c. electronmvolts
d. rems
ANS:mA
Mattermismmeasured minmkilograms.
2. Atomsmand mmoleculesmaremthemfundamentalmbuildingmblocksmof m .ma.menergy
b. radiation
c. matter
d. gravity
ANS:mC
Atomsmand mmoleculesmaremthemfundamentalmbuildingmblocksmof mmatter.
3. Icemand msteammaremexamplesmof mtwomformsmof m .
a. matter
b. radiation
c. energy
d. work
ANS:mA
Icemand msteammaremexamplesmof mtwomformsmof mmatter.
4. ThemformulamEm=mmc2 mismthembasismformthemtheorymthat mled mtomthemdevelopment mof m
.ma.mx
-mrays
b. electromagneticmradiation
c. nuclearmpower
d. cathodemraymtubes
ANS:mC
ThemformulamEm=mmc2 mismthembasismformthemtheorymthat mled mtomthemdevelopment mof mnuclearmpowe
r.
,5. Radiomwaves,mlight,mand mx-raysmaremallmexamplesmof m energy.ma.mnuclear
b. thermal
c. electrical
d. electromagnetic
ANS:mD
Electromagneticmenergymincludesmradiomwaves,mlight,mand mx-
raysmasmwellmasmothermpartsmof mthemspectrum.
6. Ammovingmobject mhasm energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:mB
A mmovingmobject mhasmkineticmenergy.
7. What mismthemremovalmof manmelectronmfrommanmatommcalled?
a. Ionization
b. Pairmproduction
c. Irradiation
d. Electricity
ANS:mA
Themremovalmof manmelectronmfrommanmatommismcalled mionization.
8. Ionizingmradiationmismcapablemof mremovingm
frommatomsmasmit mpassesmthroughmth
emmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS:mC
Ionizingmradiationmismcapablemof mremovingmelectronsmfrommatomsmasmit mpassesmthroughmthemm
atter.
9. Themenergymof mx-raysmism .
a. thermal
b. potential
c. kinetic
d. electromagnetic
,Radiologic Science for Technologists 12th Edition by Bus
m m m m m m m
hong, Complete Guide Chapter 1-40.
m m m m
ANS:mD
X-raysmaremamformmof melectromagneticmenergy.
10. Thembiggest msourcemof mman-mademionizingmradiationmexposuremtomthempublicmis m .
a. atomicmfallout
b. diagnosticmx-rays
c. smokemdetectors
d. nuclearmpowermplants
ANS:mB
Medicalmx-raymexposuremismthembiggest msourcemof mman-mademradiation.
11. InmthemUnited mStates,mwemaremexposed mtom
mSv/yearmof mionizingmradiationmfrommth
emnaturalmenvironment.ma.m0mtom5
b. 5mtom20
c. 20mtom90
d. 100mtom300
ANS:mA
Wemaremexposed mtomabout m3mmSv/yrmof mionizingmradiationmfrommnaturalmenvironmentalmsourcesm
inmthemUnited mStates.
12. ismamspecialmquantitymof mradiologicmscience.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS:mC
Radioactivitymismamspecialmquantitymof mradiologicmscience.
13. Today,mradiologymismconsidered mtombema(n)m occupation.ma.msafe
b. unsafe
c. dangerous
d. high-risk
ANS:mA
Today,mradiologymismconsidered mtombemamsafemoccupationmbecausemof meffectivemradiationmprot
ectionmpractices.
, 14. What mdoesmALARA mmean?
a. AllmLevelmAlert mRadiationmAccident
b. AsmLow mAsmReasonablymAchievable
c. AlwaysmLeavemAmRestricted mArea
d. AsmLow mAsmRegulationsmAllow
ANS:mB
ALARA mmeansmAsmLow mAsmReasonablymAchievable.
15. Computed mtomographymwasmdeveloped minmthem .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS:mC
Computed mtomographymwasmdeveloped minmthem1970s.
16. Filtrationmismused mtom .
a. absorbmlow-energymx-rays
b. removemhigh-energymx-rays
c. restrict mthemusefulmbeammtomthembodympart mimaged
d. fabricatemgonadalmshields
ANS:mA
Filtrationmismused mtomabsorbmlow-energymx-rays.
TRUE/FALSE
1. Massmismthemquantitymof mmattermasmdescribed mbymitsmenergymequivalence.
ANS:mT
Massmismthemquantitymof mmattermasmdescribed mbymitsmenergymequivalence.
2. Radiationmismthemremovalmof manmelectronmfrommanmatom.
ANS:mF
Ionizationmismthemremovalmof manmelectronmfrommanmatom.
3. Radiologymemerged masmammedicalmspecialtymbecausemof mthemSnookmtransformermand mthemCrookes
mx-mraymtube.
ANS:mF
Radiologymemerged masmammedicalmspecialtymbecausemof mthemSnookmtransformermand mthemCoolid
gemx-raymtube.