radiography (limited scope)
questions and answers updated
2026
shortestApossibleAexposureAtimeA-
AAnswer✓AtheAminimumAresponseAtimeAofAanAautomaticAexposureAcontrolA(AEC)A(alsoAcall
edAphotoAtiming)
inherentAfiltrationA(builtAin)A-AAnswer✓Atogether,AtheAfilteringAeffectAofAtheAx-
rayAtube'sAglassAenvelopeAandAitsAoilAcoolantAareAreferredAtoAas:
periodicAchecksAforAcracksA-AAnswer✓AproperAcareAofAleadedAapronsAincludes:
thermionicAemissionA-AAnswer✓AtheAsourceAofAelectronsAwithAtheAx-
rayAtubeAisAaAresultAof:
underexposedAradiographicAimageA-
AAnswer✓AinadequateAcollimationAwhenAusingAtheAAECAoftenAresultsAin:
extendsAx-rayAtubeAlifeA-
AAnswer✓AlowAmAs/highAkVpAexposureAfactors,AavoidingAlengthyAanodeArotation,Aavoidi
ngAexposuresAtoAaAcoldAanode
tubeAcurrent,AtargetAmaterialA-AAnswer✓AtheAtotalAnumberAofAx-
rayAphotonsAproducedAatAtheAtargetAisAcontingentAupon:
filamentAcircuitA-AAnswer✓AinAwhichAofAtheAfollowingAportionsAofAtheAx-
rayAcircuitAisAaAstepAdownAtransformerAlocated?
gridA-
AAnswer✓Awhat'sAtheAdeviceAthatAisAusedAtoAabsorbAscatteredAradiationAproducedAinAthe
ApatientAbeforeAitAreachesAtheAIR?
, actsAasAanAadditionalAfilter,AreduceAtubeAoutput,AresultingAinAarcingAandAtubeApunctureA-
AAnswer✓AasAtheAx-
rayAtubeAfilamentAages,AitAbecomesAprogressivelyAthinnerAdueAtoAevaporation.ATheAvaporize
dAtungstenAisAfrequentlyAdepositedAonAtheAwindowAofAtheAglassAenvelope.AThisAmay:
overexposure,AoverAdevelopmentA-
AAnswer✓AaAfilmAemergingAfromAtheAautomaticAprocessorAexhibitsAexcessiveAdensity.AThi
sAmayAbeAattributedAto:
ejectsAanAinnerAshellAtungstenAelectronA-
AAnswer✓AinAtheAproductionAofAcharacteristicAradiationAatAtheAtungstenAtarget,AtheAinco
mingAelectron:
targetAangleAeffectsA-
AAnswer✓AseverityAofAtheAheelAeffect,AfocalAspotAsize,AheatAloadAcapacity
characteristicsAofAtheAx-rayAtubeA-
AAnswer✓AtargetAmaterialAhasAaAhighAatomicAnumberAandAmeltingApoint,AusefulAbeamA
atAportAwindow,AcathodeAassemblyAreceivesAbothAlowAandAhighAvoltages.
thermionicAemissionA-AAnswer✓ANOTAassociatedAwithAtheAanode.
rectifiersA-AAnswer✓AinAorderAtoAbeAusedAmoreAefficientlyAbyAtheAx-
rayAtube,AalternatingAcurrentAisAchangedAtoAdirectAcurrentAbyAthe:
leakageAradiationA-
AAnswer✓AradiationAthatApassesAthroughAtheAtubeAhousingAinAdirectionsAotherAthanAthat
AofAtheAusefulAbeamAisAtermed?
TungstenAalloyA-
AAnswer✓AhasAhighAatomicAnumberAandAmeltingApoint,AcanAreadilyAdissipateAheat.A(usua
lAchoiceAforAtargetAmaterialAinAequipment)