ARRT MRI EXAM, FINAL EXAM, PRACTICE EXAM AND
k k k k k k k
kSTUDY GUIDE LATEST 2024 ACTUAL EXAM 160QUESTI
k k k k k k k
ONS AND CORRECT DETAILED ANSWERSWITH RATIO
k k k k k
NALES (VERIFIED ANSWERS)
k k
|ALREADY GRADED A+ k k
Whenkimagingkakgeriatrickpatient,kwhilekperformingkakPCAkMRAksequence,kwhatkimagingkparameterk
mightkthekoperatorkadjust?
A. Fieldkofkview
B. Presaturationkbandklocation
C. Slicekthickness
D. VENC
E. Contrastkinjectionkratek-kanswer-VENC
Asktheknumberkofkphasekencodingskiskincreasedkfromk256ktok512,kSNRk(signalktoknoisekratio):
A. Increases
B. Decreases
C. Doubles
D. Doesknotkchange
E. Quadruplesk-kanswer-Decreases
Akmagnetickvectorkpossesseskattributeskofkboth and .
A. Strength;kmagnitude
B. Direction;kpurpose
C. Strength;kflow
D. Magnitude;kdirectionk-kanswer-Magnitude;kdirection
WhatkelementkinkthekbodykiskthekprincipalknucleuskutilizedkinkclinicalkMRkimaging?
A. Helium
B. Hydrogen
,C. Oxygen
D. Calciumk-kanswer-Hydrogen
WhichkofkthekfollowingkbestkdescribeskankIRksequence?
A. Ak180°kpulsekfollowedkbykak90°/180°kcombination
B. Ak90°kpulsekfollowedkbykak180°kpulse
C. Aktrainkofkgradientkechoes
D. Aktrainkofkspinkechoesk-kanswer-Ak180°kpulsekfollowedkbykak90°/180°kcombination
GradientkechoksequenceskrequiringkhighksignalkfromkfluidkarekknownkaskallkofkthekfollowingkEXCEPT:
A. T2*kgradientkecho
B. Steady-statekgradientkecho
C. Coherentkgradientkecho
D. Incoherentkgradientkechok-kanswer-Incoherentkgradientkecho
Thekmedialkandklateralkrectuskmuscleskareklocatedkinkthe:
A. Ears
B. Posteriorkpelvickregion
C. Proximalkcalves
D. Eyes
E. Superiorkshoulderkregions
F. Softktissueskofkthekneckk-kanswer-Eyes
Reducingktheknumberkofklineskfilledkinkk-spacekwillkproducekankimage:
A. Withkakdecreasekinkspatialkresolution
B. Withkakincreasekinkspatialkresolution
C. WithkankdecreasekinkoverallkSNR
D. WithkankincreasekinkoverallkSNR
E. Withkakreducedkoverallkscanktime
,F. B,kCkandkEkonly
G. A,kDkandkEkonlyk-kanswer-A,kDkandkEkonly
Reducingktheknumberkofklineskfilledkinkk-
spacekreducesktheknumberkofkphasekencodingksteps,kresultingkinkshorterkscanktime,kankincreasekinkoverallk
SNR,kbutkakdecreasekinkspatialkresolution.
Theksmallestkobjectkthatkcankbekresolvedkinkankimagekacquiredkwithkak24cmkFOVkandkak272kxk272kmatrixkis
k mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mmk-kanswer-0.88mm
TokproducekankimagekbasedkonkdifferenceskinkT1,kthektimekintervalkbetweenk90°kexcitationkpulseskshouldk
be:
A. Long
B. Short
C. Refocussed
D. Invertedk-kanswer-Short
ThekenergykusedktokformkMRIkimageskis thekpatient'sktissues.
A. Emittedkfrom
B. Attenuatedkby
C. Amplifiedkfrom
D. Reflectedkoffk-kanswer-Emittedkfrom
ReferencingkthekCenterskforkDiseasekControlkandkPreventionk(CDC),kwhatktypekofkisolationkprecautionsk
shouldkbekusedkforkHIV-positivekpatientskinkthekMRIksuite?
A. Respiratory
B. Droplet
, C. Standardk(universal)
D. Enteric
E. Contactk-kanswer-Standardk(universal)
k
couldkbekusedktoklinekthekwallskand/orkfloorskofkthekMRkmagnetkroomktokreducekthekfringekf
ield,kandkiskdefinedkas shielding.
A. Copper;kactive
B. Steel;kactive
C. Copper;kpassive
D. Steel;kpassive
E. Lead;kactivek-kanswer-Steel;kpassive
IfkthekTRkinkakgradientkechoksequencekisklesskthankthekT2k(orkT2*),kthekresultingkconditionkiskknownkas:
A. Spinkdown
B. Steadykstate
C. Spinkdephasement
D. Thermalkequilibriumk-kanswer-Steadykstate
Whichktypekofkbloodkcellkiskresponsiblekforkphagocytosis?
A. Leukocyte
B. Erythrocyte
C. Lymphocyte
D. Plateletk-kanswer-Leukocyte
Whichkofkthekfollowing,kinkankMRAksequence,kaidskinkminimizingktheklosskofksignalkduektokdephasingk
withinkakvoxel:
A. LongkTE
B. ShortkTR
C. Smallerkvoxelksize
k k k k k k k
kSTUDY GUIDE LATEST 2024 ACTUAL EXAM 160QUESTI
k k k k k k k
ONS AND CORRECT DETAILED ANSWERSWITH RATIO
k k k k k
NALES (VERIFIED ANSWERS)
k k
|ALREADY GRADED A+ k k
Whenkimagingkakgeriatrickpatient,kwhilekperformingkakPCAkMRAksequence,kwhatkimagingkparameterk
mightkthekoperatorkadjust?
A. Fieldkofkview
B. Presaturationkbandklocation
C. Slicekthickness
D. VENC
E. Contrastkinjectionkratek-kanswer-VENC
Asktheknumberkofkphasekencodingskiskincreasedkfromk256ktok512,kSNRk(signalktoknoisekratio):
A. Increases
B. Decreases
C. Doubles
D. Doesknotkchange
E. Quadruplesk-kanswer-Decreases
Akmagnetickvectorkpossesseskattributeskofkboth and .
A. Strength;kmagnitude
B. Direction;kpurpose
C. Strength;kflow
D. Magnitude;kdirectionk-kanswer-Magnitude;kdirection
WhatkelementkinkthekbodykiskthekprincipalknucleuskutilizedkinkclinicalkMRkimaging?
A. Helium
B. Hydrogen
,C. Oxygen
D. Calciumk-kanswer-Hydrogen
WhichkofkthekfollowingkbestkdescribeskankIRksequence?
A. Ak180°kpulsekfollowedkbykak90°/180°kcombination
B. Ak90°kpulsekfollowedkbykak180°kpulse
C. Aktrainkofkgradientkechoes
D. Aktrainkofkspinkechoesk-kanswer-Ak180°kpulsekfollowedkbykak90°/180°kcombination
GradientkechoksequenceskrequiringkhighksignalkfromkfluidkarekknownkaskallkofkthekfollowingkEXCEPT:
A. T2*kgradientkecho
B. Steady-statekgradientkecho
C. Coherentkgradientkecho
D. Incoherentkgradientkechok-kanswer-Incoherentkgradientkecho
Thekmedialkandklateralkrectuskmuscleskareklocatedkinkthe:
A. Ears
B. Posteriorkpelvickregion
C. Proximalkcalves
D. Eyes
E. Superiorkshoulderkregions
F. Softktissueskofkthekneckk-kanswer-Eyes
Reducingktheknumberkofklineskfilledkinkk-spacekwillkproducekankimage:
A. Withkakdecreasekinkspatialkresolution
B. Withkakincreasekinkspatialkresolution
C. WithkankdecreasekinkoverallkSNR
D. WithkankincreasekinkoverallkSNR
E. Withkakreducedkoverallkscanktime
,F. B,kCkandkEkonly
G. A,kDkandkEkonlyk-kanswer-A,kDkandkEkonly
Reducingktheknumberkofklineskfilledkinkk-
spacekreducesktheknumberkofkphasekencodingksteps,kresultingkinkshorterkscanktime,kankincreasekinkoverallk
SNR,kbutkakdecreasekinkspatialkresolution.
Theksmallestkobjectkthatkcankbekresolvedkinkankimagekacquiredkwithkak24cmkFOVkandkak272kxk272kmatrixkis
k mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mmk-kanswer-0.88mm
TokproducekankimagekbasedkonkdifferenceskinkT1,kthektimekintervalkbetweenk90°kexcitationkpulseskshouldk
be:
A. Long
B. Short
C. Refocussed
D. Invertedk-kanswer-Short
ThekenergykusedktokformkMRIkimageskis thekpatient'sktissues.
A. Emittedkfrom
B. Attenuatedkby
C. Amplifiedkfrom
D. Reflectedkoffk-kanswer-Emittedkfrom
ReferencingkthekCenterskforkDiseasekControlkandkPreventionk(CDC),kwhatktypekofkisolationkprecautionsk
shouldkbekusedkforkHIV-positivekpatientskinkthekMRIksuite?
A. Respiratory
B. Droplet
, C. Standardk(universal)
D. Enteric
E. Contactk-kanswer-Standardk(universal)
k
couldkbekusedktoklinekthekwallskand/orkfloorskofkthekMRkmagnetkroomktokreducekthekfringekf
ield,kandkiskdefinedkas shielding.
A. Copper;kactive
B. Steel;kactive
C. Copper;kpassive
D. Steel;kpassive
E. Lead;kactivek-kanswer-Steel;kpassive
IfkthekTRkinkakgradientkechoksequencekisklesskthankthekT2k(orkT2*),kthekresultingkconditionkiskknownkas:
A. Spinkdown
B. Steadykstate
C. Spinkdephasement
D. Thermalkequilibriumk-kanswer-Steadykstate
Whichktypekofkbloodkcellkiskresponsiblekforkphagocytosis?
A. Leukocyte
B. Erythrocyte
C. Lymphocyte
D. Plateletk-kanswer-Leukocyte
Whichkofkthekfollowing,kinkankMRAksequence,kaidskinkminimizingktheklosskofksignalkduektokdephasingk
withinkakvoxel:
A. LongkTE
B. ShortkTR
C. Smallerkvoxelksize
