Radiologic Technology
ARRT Review Questions
and Answers Updated
2026
Attenuation:
a.BisBradiationBthatBemergesBfromBtheBpatient
b.BdescribesBchangesBinBtheBx-rayBbeamBasBitBtravelsBthroughBtheBpatient
c.BproducesBonlyBscatterBradiation
d.BoccursBonlyBatBdosesBusedBinBradiationBtherapyB-
BAnswerDescribesBchangesBinBtheBx-rayBbeamBasBitBtravelsBthroughBtheBpatient
WhichBphoton-
tissueBinteractionBmakesBradiographyBpossibleBbecauseBofBitsBcreationBofBimageBcontra
st?
a.BCompton
b.BCoherent
c.BPhotoelectric
d.BPairBproductionB-BAnswerPhotoelectric
WhichBphoton-
tissueBinteractionBproducesBradiationBthatBmayBexposeBothersBinBtheBroomBduringBfluo
roscopy?
a.BCompton
b.BCoherent
,c.BPhotoelectric
d.BPairBproductionB-BAnswerCompton
TheBSIBunitBofBabsorbedBdose:
a.BCoulombs/kilogram
b.BGray
c.BCurie
d.BRadB-BAnswerGray
TheBSIBunitBofBradioactivity:
a.BBecqueral
b.BRem
c.BQualityBfactor
d.BCurieB-BAnswerBecqueral
MeasurementBofBpositiveBandBnegativeBparticlesBcreatedBwhenBradiationBionizesBatoms
BinBtheBair:
a.BBecquerel
b.BSievert
c.BRoentgen
d.BCurieB-BAnswerRoentgen
LinearBenergyBtransfer:
a.BisBtheBsameBforBallBtypesBofBradiation
,b.BisBtheBsameBforBwaveBandBparticulateBradiationsBusedBinBdiagnosisBandBtreatment
c.BoccursBonlyBduringBx-rayBprocedures
d.BvariesBforBdifferentBtypesBofBradiationB-
BAnswerVariesBforBdifferentBtypesBofBradiation
TheBunitBofBtheBcurieBwouldBbeBusedBinBwhatBimagingBmodality?
a.BRadiography
b.BCT
c.BMRI
d.BNuclearBMedicineB-BAnswerNuclearBMedicine
TheBsmallestBparticleBofBanBelementBthatBretainsBtheBcharacteristicsBofBtheBelement:
a.Bcompound
b.Batom
c.Bmolecule
d.BneutronB-BAnswerAtom
AtomicBmassBrefersBto:
a.BtheBnumberBofBprotonsBplusBtheBnumberBofBneutrons
b.BtheBnumberBofBelectronsBplusBtheBnumberBofBprotons
c.BtheBnumberBofBelectronsBplusBtheBnumberBofBneutrons
d.BtheBnumberBofBprotonsB-BAnswerNumberBofBprotonsBplusBnumberBofBneutrons
X-raysBtravelBasBaBbundlesBofBenergyBcalled:
, a.Bprotons
b.Bphasers
c.Bparticles
d.BphotonsB-BAnswerPhotons
TheBheightBofBaBsineBwave:
a.Bwavelength
b.Baltitude
c.Bamplitude
d.BfrequencyB-BAnswerAmplitude
TheBnumberBofBx-rayBwavesBpassingBaBgivenBpointBperBunitBofBtime:
a.Bwavelength
b.Baltitude
c.Bamplitude
d.BfrequencyB-BAnswerFrequency
InBdigitalBfluoroscopy,BtheBimageBshouldBbeBviewedBonBwhatBdeviceBtoBtakeBadvantag
eBofBtheBdigitalBcapabilities?
a.BdigitalBviewBbox
b.Bhigh-resolutionBmonitor
c.Bhigh-definitionBTV
d.BplasmaBTVB-BAnswerHigh-resolutionBmonitor
ABprimaryBadvantageBofBdigitalBfluoroscopy:
ARRT Review Questions
and Answers Updated
2026
Attenuation:
a.BisBradiationBthatBemergesBfromBtheBpatient
b.BdescribesBchangesBinBtheBx-rayBbeamBasBitBtravelsBthroughBtheBpatient
c.BproducesBonlyBscatterBradiation
d.BoccursBonlyBatBdosesBusedBinBradiationBtherapyB-
BAnswerDescribesBchangesBinBtheBx-rayBbeamBasBitBtravelsBthroughBtheBpatient
WhichBphoton-
tissueBinteractionBmakesBradiographyBpossibleBbecauseBofBitsBcreationBofBimageBcontra
st?
a.BCompton
b.BCoherent
c.BPhotoelectric
d.BPairBproductionB-BAnswerPhotoelectric
WhichBphoton-
tissueBinteractionBproducesBradiationBthatBmayBexposeBothersBinBtheBroomBduringBfluo
roscopy?
a.BCompton
b.BCoherent
,c.BPhotoelectric
d.BPairBproductionB-BAnswerCompton
TheBSIBunitBofBabsorbedBdose:
a.BCoulombs/kilogram
b.BGray
c.BCurie
d.BRadB-BAnswerGray
TheBSIBunitBofBradioactivity:
a.BBecqueral
b.BRem
c.BQualityBfactor
d.BCurieB-BAnswerBecqueral
MeasurementBofBpositiveBandBnegativeBparticlesBcreatedBwhenBradiationBionizesBatoms
BinBtheBair:
a.BBecquerel
b.BSievert
c.BRoentgen
d.BCurieB-BAnswerRoentgen
LinearBenergyBtransfer:
a.BisBtheBsameBforBallBtypesBofBradiation
,b.BisBtheBsameBforBwaveBandBparticulateBradiationsBusedBinBdiagnosisBandBtreatment
c.BoccursBonlyBduringBx-rayBprocedures
d.BvariesBforBdifferentBtypesBofBradiationB-
BAnswerVariesBforBdifferentBtypesBofBradiation
TheBunitBofBtheBcurieBwouldBbeBusedBinBwhatBimagingBmodality?
a.BRadiography
b.BCT
c.BMRI
d.BNuclearBMedicineB-BAnswerNuclearBMedicine
TheBsmallestBparticleBofBanBelementBthatBretainsBtheBcharacteristicsBofBtheBelement:
a.Bcompound
b.Batom
c.Bmolecule
d.BneutronB-BAnswerAtom
AtomicBmassBrefersBto:
a.BtheBnumberBofBprotonsBplusBtheBnumberBofBneutrons
b.BtheBnumberBofBelectronsBplusBtheBnumberBofBprotons
c.BtheBnumberBofBelectronsBplusBtheBnumberBofBneutrons
d.BtheBnumberBofBprotonsB-BAnswerNumberBofBprotonsBplusBnumberBofBneutrons
X-raysBtravelBasBaBbundlesBofBenergyBcalled:
, a.Bprotons
b.Bphasers
c.Bparticles
d.BphotonsB-BAnswerPhotons
TheBheightBofBaBsineBwave:
a.Bwavelength
b.Baltitude
c.Bamplitude
d.BfrequencyB-BAnswerAmplitude
TheBnumberBofBx-rayBwavesBpassingBaBgivenBpointBperBunitBofBtime:
a.Bwavelength
b.Baltitude
c.Bamplitude
d.BfrequencyB-BAnswerFrequency
InBdigitalBfluoroscopy,BtheBimageBshouldBbeBviewedBonBwhatBdeviceBtoBtakeBadvantag
eBofBtheBdigitalBcapabilities?
a.BdigitalBviewBbox
b.Bhigh-resolutionBmonitor
c.Bhigh-definitionBTV
d.BplasmaBTVB-BAnswerHigh-resolutionBmonitor
ABprimaryBadvantageBofBdigitalBfluoroscopy:
