ARRT MRI MOCK REGISTRY
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
WhenOimagingOaOgeriatricOpatient,OwhileOperformingOaOPCAOMRAOsequence,OwhatOimagingOparameterOmi
ghtOtheOoperatorOadjust?
O A.OFieldOofOview
O B.OPresaturationObandOlocation
O C.OSliceOthickness
O D.OVENC
O E.OContrastOinjectionOrateO-OANSWEROVENC
AsOtheOnumberOofOphaseOencodingsOisOincreasedOfromO256OtoO512,OSNRO(signalOtoOnoiseOratio):
O A.OIncreases
O B.ODecreases
O C.ODoubles
O D.ODoesOnotOchange
O E.OQuadruplesO-OANSWERODecreases
AOmagneticOvectorOpossessesOattributesOofObothO__________OandO_____________.
O A.OStrength;Omagnitude
O B.ODirection;Opurpose
O C.OStrength;Oflow
O D.OMagnitude;OdirectionO-OANSWEROMagnitude;Odirection
WhatOelementOinOtheObodyOisOtheOprincipalOnucleusOutilizedOinOclinicalOMROimaging?
O A.OHelium
O B.OHydrogen
O C.OOxygen
,O D.OCalciumO-OANSWEROHydrogen
WhichOofOtheOfollowingObestOdescribesOanOIROsequence?
O A.OAO180°OpulseOfollowedObyOaO90°/180°Ocombination
O B.OAO90°OpulseOfollowedObyOaO180°Opulse
O C.OAOtrainOofOgradientOechoes
O D.OAOtrainOofOspinOechoesO-OANSWEROAO180°OpulseOfollowedObyOaO90°/180°Ocombination
GradientOechoOsequencesOrequiringOhighOsignalOfromOfluidOareOknownOasOallOofOtheOfollowingOEXCEPT:
O A.OT2*OgradientOecho
O B.OSteady-stateOgradientOecho
O C.OCoherentOgradientOecho
O D.OIncoherentOgradientOechoO-OANSWEROIncoherentOgradientOecho
TheOmedialOandOlateralOrectusOmusclesOareOlocatedOinOthe:
O A.OEars
O B.OPosteriorOpelvicOregion
O C.OProximalOcalves
O D.OEyes
O E.OSuperiorOshoulderOregions
O F.OSoftOtissuesOofOtheOneckO-OANSWEROEyes
ReducingOtheOnumberOofOlinesOfilledOinOk-spaceOwillOproduceOanOimage:
O A.OWithOaOdecreaseOinOspatialOresolution
O B.OWithOaOincreaseOinOspatialOresolution
O C.OWithOanOdecreaseOinOoverallOSNR
O D.OWithOanOincreaseOinOoverallOSNR
O E.OWithOaOreducedOoverallOscanOtime
O F.OB,OCOandOEOonly
,O G.OA,ODOandOEOonlyO-OANSWEROA,ODOandOEOonly
ReducingOtheOnumberOofOlinesOfilledOinOk-
spaceOreducesOtheOnumberOofOphaseOencodingOsteps,OresultingOinOshorterOscanOtime,OanOincreaseOinOover
allOSNR,ObutOaOdecreaseOinOspatialOresolution.
TheOsmallestOobjectOthatOcanObeOresolvedOinOanOimageOacquiredOwithOaO24cmOFOVOandOaO272OxO272Omatr
ixOisO_________Omm.
O A.O0.76mm
O B.O0.88mm
O C.O0.93mm
O D.O1.13mm
O E.O1.24mmO-OANSWERO0.88mm
ToOproduceOanOimageObasedOonOdifferencesOinOT1,OtheOtimeOintervalObetweenO90°OexcitationOpulsesOshoul
dObe:
O A.OLong
O B.OShort
O C.ORefocussed
O D.OInvertedO-OANSWEROShort
TheOenergyOusedOtoOformOMRIOimagesOisO____________OtheOpatient'sOtissues.
O A.OEmittedOfrom
O B.OAttenuatedOby
O C.OAmplifiedOfrom
O D.OReflectedOoffO-OANSWEROEmittedOfrom
ReferencingOtheOCentersOforODiseaseOControlOandOPreventionO(CDC),OwhatOtypeOofOisolationOprecautionsOs
houldObeOusedOforOHIV-positiveOpatientsOinOtheOMRIOsuite?
, O A.ORespiratory
O B.ODroplet
O C.OStandardO(universal)
O D.OEnteric
O E.OContactO-OANSWEROStandardO(universal)
___________OcouldObeOusedOtoOlineOtheOwallsOand/orOfloorsOofOtheOMROmagnetOroomOtoOreduceOtheOfrin
geOfield,OandOisOdefinedOasO__________Oshielding.
O A.OCopper;Oactive
O B.OSteel;Oactive
O C.OCopper;Opassive
O D.OSteel;Opassive
O E.OLead;OactiveO-OANSWEROSteel;Opassive
IfOtheOTROinOaOgradientOechoOsequenceOisOlessOthanOtheOT2O(orOT2*),OtheOresultingOconditionOisOknownOas:
O A.OSpinOdown
O B.OSteadyOstate
O C.OSpinOdephasement
O D.OThermalOequilibriumO-OANSWEROSteadyOstate
WhichOtypeOofObloodOcellOisOresponsibleOforOphagocytosis?
O A.OLeukocyte
O B.OErythrocyte
O C.OLymphocyte
O D.OPlateletO-OANSWEROLeukocyte
WhichOofOtheOfollowing,OinOanOMRAOsequence,OaidsOinOminimizingOtheOlossOofOsignalOdueOtoOdephasingOwi
thinOaOvoxel:
O A.OLongOTE
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
WhenOimagingOaOgeriatricOpatient,OwhileOperformingOaOPCAOMRAOsequence,OwhatOimagingOparameterOmi
ghtOtheOoperatorOadjust?
O A.OFieldOofOview
O B.OPresaturationObandOlocation
O C.OSliceOthickness
O D.OVENC
O E.OContrastOinjectionOrateO-OANSWEROVENC
AsOtheOnumberOofOphaseOencodingsOisOincreasedOfromO256OtoO512,OSNRO(signalOtoOnoiseOratio):
O A.OIncreases
O B.ODecreases
O C.ODoubles
O D.ODoesOnotOchange
O E.OQuadruplesO-OANSWERODecreases
AOmagneticOvectorOpossessesOattributesOofObothO__________OandO_____________.
O A.OStrength;Omagnitude
O B.ODirection;Opurpose
O C.OStrength;Oflow
O D.OMagnitude;OdirectionO-OANSWEROMagnitude;Odirection
WhatOelementOinOtheObodyOisOtheOprincipalOnucleusOutilizedOinOclinicalOMROimaging?
O A.OHelium
O B.OHydrogen
O C.OOxygen
,O D.OCalciumO-OANSWEROHydrogen
WhichOofOtheOfollowingObestOdescribesOanOIROsequence?
O A.OAO180°OpulseOfollowedObyOaO90°/180°Ocombination
O B.OAO90°OpulseOfollowedObyOaO180°Opulse
O C.OAOtrainOofOgradientOechoes
O D.OAOtrainOofOspinOechoesO-OANSWEROAO180°OpulseOfollowedObyOaO90°/180°Ocombination
GradientOechoOsequencesOrequiringOhighOsignalOfromOfluidOareOknownOasOallOofOtheOfollowingOEXCEPT:
O A.OT2*OgradientOecho
O B.OSteady-stateOgradientOecho
O C.OCoherentOgradientOecho
O D.OIncoherentOgradientOechoO-OANSWEROIncoherentOgradientOecho
TheOmedialOandOlateralOrectusOmusclesOareOlocatedOinOthe:
O A.OEars
O B.OPosteriorOpelvicOregion
O C.OProximalOcalves
O D.OEyes
O E.OSuperiorOshoulderOregions
O F.OSoftOtissuesOofOtheOneckO-OANSWEROEyes
ReducingOtheOnumberOofOlinesOfilledOinOk-spaceOwillOproduceOanOimage:
O A.OWithOaOdecreaseOinOspatialOresolution
O B.OWithOaOincreaseOinOspatialOresolution
O C.OWithOanOdecreaseOinOoverallOSNR
O D.OWithOanOincreaseOinOoverallOSNR
O E.OWithOaOreducedOoverallOscanOtime
O F.OB,OCOandOEOonly
,O G.OA,ODOandOEOonlyO-OANSWEROA,ODOandOEOonly
ReducingOtheOnumberOofOlinesOfilledOinOk-
spaceOreducesOtheOnumberOofOphaseOencodingOsteps,OresultingOinOshorterOscanOtime,OanOincreaseOinOover
allOSNR,ObutOaOdecreaseOinOspatialOresolution.
TheOsmallestOobjectOthatOcanObeOresolvedOinOanOimageOacquiredOwithOaO24cmOFOVOandOaO272OxO272Omatr
ixOisO_________Omm.
O A.O0.76mm
O B.O0.88mm
O C.O0.93mm
O D.O1.13mm
O E.O1.24mmO-OANSWERO0.88mm
ToOproduceOanOimageObasedOonOdifferencesOinOT1,OtheOtimeOintervalObetweenO90°OexcitationOpulsesOshoul
dObe:
O A.OLong
O B.OShort
O C.ORefocussed
O D.OInvertedO-OANSWEROShort
TheOenergyOusedOtoOformOMRIOimagesOisO____________OtheOpatient'sOtissues.
O A.OEmittedOfrom
O B.OAttenuatedOby
O C.OAmplifiedOfrom
O D.OReflectedOoffO-OANSWEROEmittedOfrom
ReferencingOtheOCentersOforODiseaseOControlOandOPreventionO(CDC),OwhatOtypeOofOisolationOprecautionsOs
houldObeOusedOforOHIV-positiveOpatientsOinOtheOMRIOsuite?
, O A.ORespiratory
O B.ODroplet
O C.OStandardO(universal)
O D.OEnteric
O E.OContactO-OANSWEROStandardO(universal)
___________OcouldObeOusedOtoOlineOtheOwallsOand/orOfloorsOofOtheOMROmagnetOroomOtoOreduceOtheOfrin
geOfield,OandOisOdefinedOasO__________Oshielding.
O A.OCopper;Oactive
O B.OSteel;Oactive
O C.OCopper;Opassive
O D.OSteel;Opassive
O E.OLead;OactiveO-OANSWEROSteel;Opassive
IfOtheOTROinOaOgradientOechoOsequenceOisOlessOthanOtheOT2O(orOT2*),OtheOresultingOconditionOisOknownOas:
O A.OSpinOdown
O B.OSteadyOstate
O C.OSpinOdephasement
O D.OThermalOequilibriumO-OANSWEROSteadyOstate
WhichOtypeOofObloodOcellOisOresponsibleOforOphagocytosis?
O A.OLeukocyte
O B.OErythrocyte
O C.OLymphocyte
O D.OPlateletO-OANSWEROLeukocyte
WhichOofOtheOfollowing,OinOanOMRAOsequence,OaidsOinOminimizingOtheOlossOofOsignalOdueOtoOdephasingOwi
thinOaOvoxel:
O A.OLongOTE
