practice exam Questions and
Answers Updated 2026
whatAstatementsAareAcorrectAregardingAtheAlinkAbetweenAradiationAandAgeneticAeffectsA-
AAnswer✓ATheAlinkAhasAbeenAdemonstratedAinAanimalAstudiesA.
IncreasedAriskAtoAhumansAcannotAbeApredictedAwithArespectAtoAanAindividual.
TheAchangesAinAkilovoltageA(kVp)AwillAresultAinAtheAgreatestAreductionAofApatientAdose,Awh
enAmilliampere-secondsA(mAs)AisAadjustedAtoAcompensateAforAtheAchangeA-
AAnswer✓AIncreaseAkVpAbyA30%
TheAfollowingAimageAreceptorA(IR)AsystemAspeedsAwillAresultAinAtheAlowestApatientAdoseA-
AAnswer✓AFasterAspeedAIRAsystem
TheAprimaryApurposeAofAusingAgonadAshieldsA-
AAnswer✓AreduceAtheAlikelihoodAofAgeneticAeffects
AreAgonadAshieldsA-AAnswer✓AContactAandAshadow
gonadAshieldingAshouldAbeAusedA-
AAnswer✓AwhenAtheAgonadsAareAwithinA5AcmAofAtheAradiationAfield
theAgreatestAcauseAofAunnecessaryAradiationAtoApatientsAthatAcanAbeAcontrolledAbyAtheAlimi
tedAoperatorAisA-AAnswer✓ArepeatAexposures
theAlimitedAoperatorAcanAreduceArepeatAexposureA-AAnswer✓AclearlyAinstructingApatients
howAdoesAtheAx-rayAbeamArestrictionAminimizeApatientAexposureA-
AAnswer✓AitAlimitsAtheAradiationAfieldAtoAtheAareaAofAinterest
whatAisAtheAdeviceAthatAallowsAtheAlimitedAoperatorAtoAvaryAtheAsizeAofAtheAradiationAfiel
dA-AAnswer✓Acollimator
,howAdoesAfiltrationAreduceApatientAexposureA-AAnswer✓AremovesAlonger-
wavelengthAphotons
TheANationalACouncilAonARadiationAProtectionAandAMeasurements(NCRP)ArecommendationAfor
AtheAamountAofAtotalAfiltrationA-AAnswer✓A2.5AmmAAlAequiv
ThreeAprincipalAmethodsAusedAtoAprotectAlimitedAoperatorsAfromAunnecessaryAradiationAexpo
sureA-AAnswer✓Atime,Adistance,AandAshielding
TheAfollowingAisAnotAaAtypeAofApersonalAradiationAshieldingA-AAnswer✓AShadow
personnelAshieldingAmustAbeAwornAonAtheArareAoccasionAduringAwhichAtheAlimitedAoperator
AmayAneedAtoAremainAinAtheAradiographicAroomAduringAanAexposureAtoAassistAtheApatient
AinAmaintainingAtheAproperAposition.AWhatAisAtheAsourceAofAtheAgreatestAradiationAhazard
AunderAthisAcircumstance.?A-AAnswer✓AscatteredAradiationAfromAtheApatient
theAtermAforAradiationAtheAescapesAfromAtheAx-rayAtubeAhousingA-
AAnswer✓AleakageAradiation
whyAareAlimitedAoperatorsAprohibitedAfromAactivitiesAthatAresultAinAdirectAexposureAtoAtheA
primaryAx-rayAbeamA-AAnswer✓AtheyAareAconsideredAoccupationallyAexposedAindividuals
distance,AasAaAmethodAusedAtoAlimitAoperatorAexposure,AmeansAthatA-
AAnswer✓AtheAoperatorAshouldAmaximizeAtheAdistanceAfromAtheAsourceAduringAanAexpos
ure
shieldingAwornAforApersonnelAprotectionAisAdesignedAtoAattenuateAwhatAsourceAofAexposure
A-AAnswer✓AscatterAradiation
theAacronymAforAaAcommonAtypeAofApersonnelAdosimeterA-AAnswer✓ATLD
WhatAisAtheArecommendedAplacementAforApersonnelAdosimeterAonAtheAbodyAofAtheAlimitedA
operatorA-
, AAnswer✓AtheAbadgeAshouldAbeAwornAinAtheAregionAofAtheAcollarAonAtheAanteriorAsurfac
eAofAtheAbodyAandAoutsideAtheAleadAapron,AifAworn
TheANCRPArecommendedAannualAeffectiveAdoseAlimitAforAoccupationalAexposureA-
AAnswer✓A5.0AremA(0.05ASv)
TheANCRPArecommendedAmonthlyAeffectiveA(orAequivalent)AdoseAlimitAtoAtheAfetusAforAaApre
gnantAworkerA-AAnswer✓A0.05AremA(0.0005ASv)
RadiationAmonitoringAofApersonnelAisArequiredAwhenAwhatApercentageAofAtheAannualAoccupa
tionalAeffectiveAdoseAlimitAisAlikelyAtoAbeAreceivedA-AAnswer✓A10%
TheAconventionalA(BritishAsystem)AradiationAunitAtoAexpressAradiationAintensityAinAtheAairA-
AAnswer✓ARoentgen
TheAconventionalA(BritishAsystem)AunitAcommonlyAusedAtoAreportAoccupationalAdoseAtoAradia
tionAworkersAinAtheAUnitedAStatesAisAtheA-AAnswer✓Arem
WhatAisAtheAconventionalA(BritishAsystem)AradiationAunitAofAabsorbedAdoseA-
AAnswer✓ARad
AccordingAtoAtheABergonie-
TribondeauAlaw,AtheAfollowingAtypesAofAcellsAareAmostAradiosensitiveA-
AAnswer✓AembryonicAtissueAcells
TypeAofAx-
rayAphotonAinteractionAwithAtheAbodyAisAprimarilyAresponsibleAforAtheAradiationAdoseAabso
rbedAbyAtheApatientA-AAnswer✓APhotoelectric
TheANCRPA(reportA#102)ArecommendationAforAleadAequivalencyAofAapronsAusedAforApersonn
elAprotectionA-AAnswer✓A0.5Amm
ErythemaAasAitArelatesAtoAradiationAexposureA-
AAnswer✓AreddeningAofAtheAskinAcausedAbyAaAhighAradiationAdose