ARRT Limited Scope in Radiography - Test 1 Questions and Answers Updated 2026

ARRT Limited Scope in
Radiography - Test 1 Questions and
Answers Updated 2026
TheAuseAofAaAgridAduringAanAx-
rayAofAtheAhumerusAisArequiredAforAshouldersAwithAaAmeasurementAof:
2Acm
10Acm
9Acm

5AcmA-AAnswer✓A10Acm
AAradiographAofAtheAhumerusAisAperformedAwithAtheAuseAofAaAgridAdependingAonAtheAsize
AofAaApatient'sAshoulders.AForAadults,AtheAadultAshoulderAmeasuringA10AcmAupAtoA15AcmA
willArequireAtheAuseAofAaAgrid.AOnAtheAotherAhand,AtheAuseAofAaAgridAisAnotAneededAforA
children.AFurther,AtheAuseAofAaAgridAisAnotArequiredAforAanAadultAwhereAtheAadults;Ashoul
derAisAmeasuredAlessAthanA10Acm.


WhichAofAtheAfollowingAisAaAtypeAofApenetrometer?
ScreeningAimage
FogAfilmAcontrast
ContrastAtestingAdevice

TissueAequivalentAplasticA-AAnswer✓ATissueAequivalentAplastic
AApenetrometerAisAaAdeviceAthatAisAalsoAcalledAaAstepAwedgeAbecauseAtheAdeviceAhasAaAw
edgeAshape.AThereAareAtwoAtypesAofApenetrometers,AwhichAareAtissueAequivalentAplasticAan
dAaluminum.APenetrometersAwereAdesignedAtoAmeasureAtheAexposureAorAradiationApowerAw
henAanAx-rayAisAperformed.


AdverseAreactionsAfromAaAcontrastAmaterialAthatAdoesAnotAgetAworseAisAknownAas:
Physical
Mild
Severe

ModerateA-AAnswer✓AMild
AdverseAreactionsAcanAhappenAwithAnonionicAcontrastAmediaAbutAadverseAreactionsAareAmor
eAoftenAseenAwithAionicAcontrastAmediaAbecauseAofAitsAhigherAosmolality.AAdverseAreactions
AareAcategorizedAasAmild,AmoderateAandAsevere.AWithAmildAadverseAreactions,AtheAreaction
AdoesAnotAgetAworseAorAmoreAsevere.ATherefore,AtreatmentAisAnotAoftenAneeded.AExamplesA

,ofAmildAadverseAreactionsAthatAareAseenAwhenAaApatientAhasAaAreactionsAtoAaAcontrastAme
diaAisAnausea,Avomiting,AhivesAorArashes,AaAfeelingAofAwarmnessAonAtheAfaceA(flush),Aanxi
ety,Achills,AheadacheAandAsweating.ATheAtreatmentAusedAforAmildAadverseAreactionsAisAtoAw
atchAtheApatientAandAprovideAcomfortAtoAtheApatientAandAreassurance.


WhichAofAtheAfollowingAisAnotAaAtypicalAriskAofAthoracentesis?
DamageAtoAtheAliver
PulmonaryAedema
Pneumothorax

DamageAtoAtheAbladderA-AAnswer✓ADamageAtoAtheAbladder
ThoracentesisAisAaAtypeAofAprocedureAthatAisAusedAtoAremoveAfluidAfromAtheApleuralAspace.
ATheAprocedureAisAperformedAwithAaAneedleAthatAisAplacedAthroughAtheAchestAwall.ATheApr
ocedureAisAdoneAtoAdetermineAtheAcausesAofAexcessiveApleuralAfluidAandAtoAhelpArelieveAsh
ortnessAofAbreathAassociatedAwithApleuralAeffusion.ARisksAincludeApneumothorax,Apulmonary
Aedema,Ainfection,Ableeding,AandAdamageAtotAehAliverAanAspleen.ATheAtestAcanAbeAaffected
AbyAaAbleedingAdisorder,Acornpulmonale,AandAheartAfailure.


TheAmedicalAabbreviationAforAhourAis:
IV
od
PO

hA-AAnswer✓Ah
TheAmedicalAabbreviationAhAmeansAhour.AIntravenouslyAisAindicatedAbyAtheAabbreviationAIV.
AThen,AtheAabbreviationAodArefersAtoA"inAtheArightAeye."AByAmouthAisAindicatedAbyAtheAa
bbreviationAPO.


WhichAofAtheAfollowingAimagingAtestsAisAusedAtoAmeasureAboneAmineralAdensity?
Venogram
Arteriogram
DualAx-rayAabsorptiometryA(DXA)

AortogramA-AAnswer✓ADualAx-rayAabsorptiometryA(DXA)
DualAx-
rayAabsorptiometryA(DXA)AscanAisAaAtypeAofAimagingAthatAmeasuresAboneAmineralAdensityA
andAidentifiesAhowAmuchAorAifAthereAareAsignsAofAosteoporosisA-
AdemineralizationAofAtheAboneAorAhowAwellAtreatmentAforAosteoporosisAisAprogressing.AWit
hAaADXAAscan,AitAhasAtwoAphotonAbeamsAthatAareAusedAtoAmakeAanAimage.

,WhichAofAtheAfollowingAmeasurementsAisAusedAtoAdetermineAtheAamountAofAradiationAanAin
dividualAhasAreceived?
Rem
Kerma
Rad

SIA-AAnswer✓ARem
UnitsAofAmeasureAgiveAaAscientistAtheAabilityAtoAdescribeAtheAamountsAofAthings.ATheAbasic
AunitsAofAmeasurementAincludeAtime,AlengthAandAmass.AFurther,AthereAareAtwoAcommonlyAu
sedAsystemsAofAmeasurementsAwhichAareA(1)AconventionalAunitsAandA(2)ASIAunits.AConventio
nalAunitsAwereAfirstAestablishedAinAtheA1920AandAareAoftenAreferencedAtoAasAtheAUSAcusto
maryAsystem.ATheseAunitsAofAmeasurementAincludeAfoot,ApoundAandAsecond.ASIAunitAisAanA
abbreviationAforASystemAofAUnitsAwhichAwasAcreatedAinA1948AbyAtheAInternationalACommitt
eeAforAWeightsAandAMeasures.
TheAunitsAofAmeasurementsAforAradiologyArevealAinformationArelatingAtoAexposure,AdoseAan
dAeffectiveAdose.ARadiologicalAunitsAofAmeasurementAincludesAroentgenA(R),AradiationAabsorb
edAdoseA(rad)AandAradiationAequivalentAmanA(rem).ARemAisAaAunitAofAmeasureAusedAtoAdet
ermineAoccupationalAexposureAorAhowAmuchAradiationAanAemployeeAwhoAworksAaroundAradi
ationAreceives.


WhatAisAtheAnameAofAtheAstrongestAboneAlocatedAinAtheAfoot?
Calcaneus
Tibia
Talus

FibulaA-AAnswer✓ACalcaneus
TheAankleAisAmadeAofAtarsalAbones,AwithAtheAlargestAandAstrongestAofAtheseAbonesAbeingA
theAcalcaneus.ATheAcalcaneusAboneAisAalsoAcalledAtheAheelAbone.ATheAtarsalAbonesAareAjoin
edAtoAtheAmetatarsalAbonesAwhereAtheAmetatarsalAbonesAareAattachedAtoAtheAtoesA(phalan
ges)AofAtheAfoot.ATheAremainingAAnswer✓AchoicesAareAbonesAthatAareAfoundAinAtheAankl
eAjoint.


WhatAisAaAcomplicationAofAesophagitis?
ConstantApulsationsAfromAtheAesophagus
BleedingAofAtheAesophagus
ExpandingAofAtheAesophagus

NarrowingAofAtheAesophagusA-AAnswer✓ANarrowingAofAtheAesophagus.

, EsophagitisAcausesAinflammationAthatAdamagesAtheAesophagusAtissues.AItAcausesAchestApain
s,AdifficultyAswallowing,AandAacidAregurgitation.AItAisAcausedAbyAstomachAacidsAthatAareAgo
ingAintoAtheAesophagus,Ainfections,Aallergies,AandAmedications.AAAcomplicationAisAtheAnarro
wingAofAtheAesophagus.


AnA85-year-
oldAmaleAisAscheduledAforAaAcardiacAcatheterization.ATheApatientAreceivesAanAintravenousAin
jectionAofAaAradiographicAcontrast.AWhichAofAtheAfollowingAroutesAbestAdescribesAtheAinjecti
onAofAtheAradiographicAcontrast?
Parenteral
Sublingual
Oral

TopicalA-AAnswer✓AParenteral
DrugsAareAgivenAtoAaApatientAinAseveralAwaysAorAroutes.AThesesAroutesAincludeAparenteral,
Aoral,AsublingualAandAtopical.AWithAparentalAadministration,AdrugsAandAevenAparenteralAnu
tritionAisAadministeredAtoAaApatientAthroughAanotherAapproach,AsuchAasAintravenouslyAorAin
tramuscularly,AinsteadAofAusingAtheAgastrointestinalAtract.ACommonAparenteralAroutesAareA(a
)Asubcutaneous,A(b)Aintramuscular,A(c)Aintravenous,A(d)AintradermalAandA(e)Aintrathecal.


InAHirschsprungAdisease,AwhatAnervesAdoAnotAdevelopAproperly?
TheAhydrocephalusAnerve
TheAentericAnerves
TheAperipheralAnerve

TheAdegenerativeAnerveA-AAnswer✓ATheAentericAnerves
TheAentericAnerves,AwhichAareAtheAnervesAlocatedAinAtheAintestines,AtypicallyAformAbeforeAa
nAinfantAisAbornA(duringAembryonicAdevelopment).ATheseAnervesAinitiateAmuscleAcontractions
AinAtheAintestineAthatAcausesAtheAstoolAtoAmoveAthroughAtheAintestine.
WithAtheAintestinalAcondition,AHirschsprungAdisease,AtheAnervesAinAtheAintestineAdoesAnotAd
evelopAcorrectly.ATherefore,AtheAmusclesAareAnotAsignaledAtoAcontractAtoAprogressAtheAstool
AthroughAtheAintestine.AAsAaAresult,AconstipationAmayAoccur.AInAsevereAcasesAindividualsAwi
thAthisAconditionAcanAhaveAaAtotalAblockageAinAtheAintestineAbecauseAofAtheAstool.
Further,AsymptomsAofAHirschsprungAdiseaseAincludeApainAinAtheAabdomen,AswellingAofAtheA
abdomen,Avomiting,Adiarrhea,AmalnutritionAandAslowedAgrowth.


PentobarbitalAbelongsAtoAaAgroupAofAdrugsAknownAasAwhat?
Bendiazepines
Barbiturates