Practice in Radiography (CORE)
Questions with Correct Answers
whichAofAtheAfollowingAstatementsAareAcorrectAregardingAtheAlinkAbetweenAradiationAdoseAa
ndAgeneticAeffects?A-
AAnswer✓ATheAlinkAhasAbeenAdemonstratedAinAanimalAstudies.AIncreasedAriskAtoAhumans
AcannotAbeApredictedAwithArespectAtoAanAindividual.
WhichAofAtheAfollowingAchangesAinAkilovoltageA(kVp)AwillAresultAinAtheAgreatestAreductionA
ofApatientAdose,AwhenAmiliampere-
secondsA(mAs)AisAadjustedAtoAcompensateAforAtheAchange?A-
AAnswer✓AincreaseAkVpAbyA30%
WhichAradiographicAimagingAsystemAusesAstorageAphosphorsAtoAtemporarilyAstoreAenergyAre
presentingAtheAimageAsignal?A-AAnswer✓AcomputerAradiography
WhatAisAtheAprimaryApurposeAofAusingAgonadAshieldsAduringAradiography?A-
AAnswer✓AReduceAtheAlikelihoodAofAgeneticAeffects.
whichAofAtheAfollowingAareAtypesAofAgonadAshields?A-AAnswer✓AContactAandAshadow
whenAshouldAgonadAshieldingAbeAused?A-
AAnswer✓AwhenAtheAgonadsAareAwithinA5Acm.AofAtheAradiationAfield.
TheAgreatestAcauseAofAunnecessaryAradiationAtoApatientsAthatAcanAbeAcontrolledAbyAtheAlimi
tedAoperatorAis:A-AAnswer✓ArepeatAexposure
TheAlimitedAoperatorAcanAreduceArepeatAexposuresAbyA:A-
AAnswer✓AclearlyAinstructingAtheApatients.
HowAdoesAtheAx-rayAbeamArestrictionAminimizeApatientAexposureA-
AAnswer✓AItAlimitsAtheAradiationAfieldAtoAtheAareaAofAinterest.
, WhatAisAtheAdeviceAthatAallowsAtheAlimitedAoperatorAtoAvaryAtheAsizeAofAtheAradiationAfiel
d?A-AAnswer✓Acollimator
HowAdoesAfiltrationAreduceApatientAexposureA-AAnswer✓ARemovesAlonger-
wavelengthAphotons
WhatAisAtheANationalACouncilAonARadiationAProtectionAandAMeasurementsA(NCRP)Arecommen
dationAforAtheAamountAofAtotalAfiltration?A-AAnswer✓A2.5AmmAAlAequiv
WhatAareAtheAthreeAprincipalAmethodsAusedAtoAprotectAlimitedAoperatorsAfromAunnecessaryA
radiationAexposure?A-AAnswer✓ATime,ADistance,AandAShielding
WhichAofAtheAfollowingAisANOTAaAtypeAofApersonnelAradiationAshielding?A-
AAnswer✓AShadow
PersonnelAshieldingAmustAbeAwornAinAtheArareAoccasionAduringAwhichAtheAlimitedAoperator
AmayAneedAtoAremainAinAtheAradiographicAroomAduringAanAexposureAtoAassistAtheApatient
AinAmaintainingAtheAproperAposition.AWhatAisAtheAsourceAofAtheAgreatestAradiationAhazard
AunderAthisAcircumstance?A-AAnswer✓AscatteredAradiationAfromAtheApatient
WhatAisAtheAtermAforAradiationAthatAescapesAfromAtheAx-rayAtubeAhousing?A-
AAnswer✓AleakageAradiation
WhyAareAlimitedAoperatorsAprohibitedAfromAactivitiesAthatAresultAinAdirectAexposureAtoAtheA
primaryAx-rayAbeam?A-AAnswer✓ATheyAareAconsideredAoccupationallyAexposedAindividuals
Distance,AasAaAmethodAusedAtoAlimitAoperatorAexposure,AmeansAthat?A-
AAnswer✓ATheAoperatorAshouldAmaximizeAtheAdistanceAfromAtheAsourceAduringAtheAexpo
sure
ShieldingAwornAforApersonnelAprotectionAisAdesignedAtoAattenuateAwhatAsourceAofAexposure
?A-AAnswer✓AScatterAradiation
WhichAofAtheAfollowingAisAanAacronymAforAaAcommonAtypeAofApersonnelAdosimeterA-
AAnswer✓ATLD