Nuclear Medicine Technology Study Guide [Easy] Questions and Answers Updated 2026

Nuclear Medicine Technology
Study Guide [Easy] Questions and
Answers Updated 2026
TheAvenousAbloodAreturningAbeAatAtheAsuperiorAVenaAcavaAandAtheAinferiorAvenaAcavaAenters
AtheAheartAatAthe:A-AAnswerARightAAttriumA


BloodAreceivedAbyAtheArightAventricleAfromAtheArightAatriumAisApropelledAintoAtheApulmonaryA
arteryAinAtheApulmonaryAcirculation.AOxygenatedAbloodAisAreturnedAbyAtheApulmonaryAveinsAto
AtheAleftAatrium.ATheAleftAventricleAejectsAbloodAintoAsystemicAcirculation


TheAmechanismAbyAwhichAtheAepithelialAcellsAofAtheAthyroidAconcentrateAiodineAisAtermed:A-
AAnswerAActiveAtransport


ThyroidAconcentrateAiodineAfromAtheAbloodstreamAandAaAgradientA20:1.ATheAtrappingAmechanism
AoperatesAthroughAtheAsodiumApotassiumApump.


FloodAfieldAnonuniformityAimagesAreconstructedASPECTAimagesAcanAresultAin:A-
AAnswerARingAartifactsA


IfAtheAcountsAinAoneApixelAofAtheAimageAareAfalselyAdecreased,AthenAinformationAatAthatAlocat
ionAwillAbeAbackAprojectedAatAtheAdecreasedAlevel.ATheAresultAinAtheAreconstructedAimageAwill
AbeAaAringAartifact,AwithAtheAradiusAofAtheAringAequalAtoAtheAdistanceAofAtheApixelAfromAth
eACOR.


Tc-99mASulfurAcolloidAcanAbeAusedAinAallAofAtheAfollowingAtypesAofAimagingAexcept:A-
AAnswerABrainAimaging


TCA99MAsulfurAcolloidAcanAalsoAbeAusedAinAesophagealAtransitAtime,AgastroesophagealAreflux,A
andAgastricAemptyingAstudy's.


WhatAisAhypokinesis?A
[modified]A-
AAnswerAThisArefersAtoAdecreasedAcontractileAfunctionAofAtheAleftAventricle,Ae.g.,AduringAaAseve
reAischemia.ATheAheartAmuscleAandAtheAdistributionAofAtheAinvolvedAvesselsAisAoftenAhypokineti
cAdueAtoAtheAdiminishAbloodAsupply.

,PopularAradiationAsafetyAacronymAALARAAstandsAfor?A-
AAnswerAAsAlowAasAreasonablyAachievableA


ItAindicatesAmakingAeveryAreasonableAattemptAtoAmaintainAexposureAtoAionizingAradiationAasAf
arAbelowAtheAdoseAlimitsAasApractical.


TCA99MAisAusedAinAtheAmajorityAofAallAstandardAnuclearAmedicineAstudiesAbecauseATCA99M:A-
AAnswerAProvidesAgoodAtissueApenetration


TCA99MAisAaApureAgammaAandAbetaAsoAnoAparticleAradiationAisAbeingAproduced.AIt'sAhalfAlif
eAisAsoAlongAthatAtheAbodyAefficientlyAexcretesAitAbeforeAitAcanAhaveAanyArealAnegativeAhealt
hAeffects.


AAdoseAcalibratorAisAusedAtoAassayAtheAamountAofAradioactivityAinAaAsampleAbeforeAitAisAad
ministeredAtoAaApatient.AAllAradiationAleavingAtheAsourceAplacedAinAtheAdoseAcalibratorAisAdet
ectedAexceptAradiationAdirectedAitAtoward:A-AAnswerATheAholeAatAtheAtop


TheAdoseAcalibratorAisAanAionizingAchamberAusedAtoAdetermineAtheAactivityAofAradiopharmaceuti
cals.AOnceAactivityAisAdetectedA(inAaAsyringeAorAvialA),AtheAdoseAcalibratorAconvertsAitAbasedA
onAtheAradionuclidesAgammaAconstantA-AtoAunitsAofAactivityAinAcuriesAorAbecquerels.


TheAsizeAofAtheAcolloidAparticlesAisAimportantAinAimagingAtheAreticuloendothelialAsystem.AParticl
esAsmallerAthanA20nmAtendAtoAaccumulateAin:A-AAnswerATheAboneAmarrowA


LargerAparticlesA>A100AnmAaccumulateAinAtheAliverAandAspleen


IfAtheAexpectedAvalueAofAtheAlongAlivedAsourceAisA120AµCiAandAtheAactualAreadingAobtainAfro
mAtheAdoseAcalibratorAisA122AµCiAwhatAisAtheApercentageAerrorAofAtheAreading?A-
AAnswerA1.7


Expected-ActualA
———————————-Ax100%
Expected


TheAcardiacAmeasurementAdefinedAasAtheAbloodAvolumeApumpedAoutAbyAtheAventricleAoverAone
AminuteAtimeAperiodAisAcalledAthe:A-AAnswerACardiacAoutput

,cardiacAoutputA(CO)AisAtheAstrokeAvolumeAmultipliedAbyAtheAheartArate.ACO=SVAxAHR


EndADiastolicAVolume(EDV)AisAtheAvolumeAifAtheAchancerAwhenAcompletelyAfilledAwithAblood


StrokeAVolumeAisAtheAvolumeAofAbloodAejectedAbyAeachAventricleAduringAsystole


EjectionAFractionAisAtheApercentageAofAEDVAthatAisAejectedAbyAaAventricleAduringAsystole


EsophagealAtransit'sAscintigraphyAisAfast,Anoninvasive,AandAeasyAtoAperformAdiagnosticAprocedure
s,AbutAit'sAwidespreadAuseAisAlimitedAbecauseAof:A-AAnswerALackAofAstandardizationA


Also,AitAisAnotAanAeasyAtest,AsinceAtheApatientAhasAtoAdriveAswallowAforA10Aminutes.ATheAm
ainAindicationAforAformingAESAisAtoAevaluateAesophagealAemptyingAandArefluxAandApatientsAwit
hAesophagealAdysmotility.


TheAdailyAqualityAcontrolAforAtheAdoseAcalibratorAincludesAaAconstancyAcheckAtypicallyAperforme
dAwithAsmallAamountsAofAcobaltA57AorAcesiumA137.ACesiumA137AhasAaAhalf-
lifeAofA30AyearsAandAproduces:A-AAnswerA662AkeV


InAlargerAamounts,AcesiumA137AisAusedAinAmedicalAradiationAtherapyAdevicesAforAtreatingAcanc
erAandAinAindustrialAgaugesAforAdetectingAtheAflowAofAliquidAthroughApipes.


ScintigraphyAisAtheAgoldAstandardAmeasurementAofAgastricAemptyingAforAdiagnosisAofAGastroAp
aresis.AAllAtheAfollowingAsymptomsAareAcommonAamongApatients:A-
AAnswerANausea,Avomiting,AearlyAsatiety,AabdominalAbloating


TachycardiaAisAnotAincludedAasAitAisAaArapidAheartArateAusuallyAdefinedAasAgreaterAthanA100
Abpm.


TheAnodeAlocatedAatAtheAtopAofAtheArightAatriumAisAreferredAtoAas:
[modified]A-AAnswerATheAsinoatrialAnode


ActingAasAtheAheartsAnaturalApacemaker,AtheASAAnodeA(alsoAcommonlyAspelledAsinuatrialAnode,
AabbreviatedAasASAAnodeAorASAN,AalsoAcalledAtheAsinusAnode,AproducesAimpulsesAatAregularAi
ntervalsAtoAcauseAtheAheartAtoAcontractAwithAtheArhythmAofAaboutA60AtoA70AbpmAforAaAhealt
hyArestingAheart.

, TheANRCAhasAprovidedAcompleteAguidelinesAforAretentionAofAallArecordsAgeneratedAinAaAnuclear
AmedicineAdepartment.AWhichAofAtheAfollowingAdocumentationAshouldAbeAkeptAindefinitely?A-
AAnswerAPersonnelAmonitoring


MisadministrationsAandAsealedAsourceAinventoryAdocumentationAshouldAbeAkeptAforAfiveAyears,At
hreeAyearsAofAstorageAisArequiredAforApatientAdosageArecords.


TheAradionuclidesAemittingAbetaAparticlesAshouldAbeAstoredAinAcontainersAofAlowAZAmaterialAto
ApreventA-AAnswerABremsstrahlungAradiation
AbetaAemittingAsubstancesAshouldAbeAshieldedAwithAlowAdissingAteethAmaterialsAe.g.AplexiAglas
s,Aplastic,AwoodAbecauseAtheArateAofAdecelerationAofAtheAelectronAisAslowerAandAtheAradiation
AgivenAoffAhasAaAlongerAwavelength,AorAlessApenetrating.


TheAmathematicalAprocessAofAapplyingAaAnegativeAvalueAtoAbothAsidesAofAtheAdensityAhistogra
mAofAeachArayAsumAisAcalledAconvolutionAfilteringAandAisAusedAinAreconstructionAmethodAcalled
A-AAnswerAFilteredAbackAprojection.A


InAtheAfilteredAbackAprojectionAmethodAbasedAonAdirectAinversionAofAtheAradonAtransformAtheA
limitedAnumberAofAprojectionsAintroducesAstreakAartifactsAandAtheAimageAreconstructions


580AµCiAisAequalAtoAhowAmanyACi?A-AAnswerA0.00058Ci




1Ci=A1000mCiA=A1,000,000µCi


FeverAofAunknownAoriginAcanAbeAcausedAbyAallAofAtheAfollowingAdisorders/factors:A-
AAnswerAInfection,Aneoplasm,Adrugs,AnoninfectiousAinflammatoryAdisease,AvasiculitisAsyndrome,Ar
heumaticAfever,AgranulatomasAdisorders


StressAisAnotAaAfactor


WhenAapproachingAunresponsiveAvictimAtheirAoccasionalAguessAtheArescuerAshould:A-
AAnswerAGiveArescueAbreathsA


occasionalAgasps,AwhichAcanAoccurAinAtheAfirstAminutesAafterAsuddenAcardiacAarrestAareAnotAeff
ectiveAbreaths.