ARRT MRI Mock Registry Questions and
g g g g g g
Answers (2022/2023) Already Graded A
g g g g
Whengimaginggaggeriatricgpatient,gwhilegperforminggagPCAgMRAgsequence,gwhatgimaginggpara
metergmightgthegoperatorgadjust?
A. Fieldgofgview
B. Presaturationgbandglocation
C. Slicegthickness
D. VENC
E. Contrastginjectiongrateg✔✔VENC
Asgthegnumbergofgphasegencodingsgisgincreasedgfromg256gtog512,gSNRg(signalgtognoisegratio):
A. Increases
B. Decreases
C. Doubles
D. Doesgnotgchange
E. Quadruplesg✔✔Decreases
Agmagneticgvectorgpossessesgattributesgofgbothg andg .
,A. Strength;gmagnitude
B. Direction;gpurpose
C. Strength;gflow
D. Magnitude;gdirectiong✔✔Magnitude;gdirection
WhatgelementgingthegbodygisgthegprincipalgnucleusgutilizedgingclinicalgMRgimaging?
A. Helium
B. Hydrogen
C. Oxygen
D. Calciumg✔✔Hydrogen
WhichgofgthegfollowinggbestgdescribesgangIRgsequence?
A. Ag180°gpulsegfollowedgbygag90°/180°gcombination
B. Ag90°gpulsegfollowedgbygag180°gpulse
C. Agtraingofggradientgechoes
D. Agtraingofgspingechoesg✔✔Ag180°gpulsegfollowedgbygag90°/180°gcombination
,GradientgechogsequencesgrequiringghighgsignalgfromgfluidgaregknowngasgallgofgthegfollowinggEX
CEPT:
A. T2*ggradientgecho
B. Steady-stateggradientgecho
C. Coherentggradientgecho
D. Incoherentggradientgechog✔✔Incoherentggradientgecho
Thegmedialgandglateralgrectusgmusclesgareglocatedgingthe:
A. Ears
B. Posteriorgpelvicgregion
C. Proximalgcalves
D. Eyes
E. Superiorgshouldergregions
F. Softgtissuesgofgthegneckg✔✔Eyes
Reducinggthegnumbergofglinesgfilledgingk-spacegwillgproducegangimage:
A. Withgagdecreasegingspatialgresolution
B. Withgagincreasegingspatialgresolution
, C. WithgangdecreasegingoverallgSNR
D. WithgangincreasegingoverallgSNR
E. Withgagreducedgoverallgscangtime
F. B,gCgandgEgonly
G. A,gDgandgEgonlyg✔✔A,gDgandgEgonly
Reducinggthegnumbergofglinesgfilledgingk-
spacegreducesgthegnumbergofgphasegencodinggsteps,gresultinggingshortergscangtime,gangincreasegi
ngoverallgSNR,gbutgagdecreasegingspatialgresolution.
Thegsmallestgobjectgthatgcangbegresolvedgingangimagegacquiredgwithgag24cmgFOVgandgag272gxg2
72gmatrixgisg mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mmg✔✔0.88mm
g g g g g g
Answers (2022/2023) Already Graded A
g g g g
Whengimaginggaggeriatricgpatient,gwhilegperforminggagPCAgMRAgsequence,gwhatgimaginggpara
metergmightgthegoperatorgadjust?
A. Fieldgofgview
B. Presaturationgbandglocation
C. Slicegthickness
D. VENC
E. Contrastginjectiongrateg✔✔VENC
Asgthegnumbergofgphasegencodingsgisgincreasedgfromg256gtog512,gSNRg(signalgtognoisegratio):
A. Increases
B. Decreases
C. Doubles
D. Doesgnotgchange
E. Quadruplesg✔✔Decreases
Agmagneticgvectorgpossessesgattributesgofgbothg andg .
,A. Strength;gmagnitude
B. Direction;gpurpose
C. Strength;gflow
D. Magnitude;gdirectiong✔✔Magnitude;gdirection
WhatgelementgingthegbodygisgthegprincipalgnucleusgutilizedgingclinicalgMRgimaging?
A. Helium
B. Hydrogen
C. Oxygen
D. Calciumg✔✔Hydrogen
WhichgofgthegfollowinggbestgdescribesgangIRgsequence?
A. Ag180°gpulsegfollowedgbygag90°/180°gcombination
B. Ag90°gpulsegfollowedgbygag180°gpulse
C. Agtraingofggradientgechoes
D. Agtraingofgspingechoesg✔✔Ag180°gpulsegfollowedgbygag90°/180°gcombination
,GradientgechogsequencesgrequiringghighgsignalgfromgfluidgaregknowngasgallgofgthegfollowinggEX
CEPT:
A. T2*ggradientgecho
B. Steady-stateggradientgecho
C. Coherentggradientgecho
D. Incoherentggradientgechog✔✔Incoherentggradientgecho
Thegmedialgandglateralgrectusgmusclesgareglocatedgingthe:
A. Ears
B. Posteriorgpelvicgregion
C. Proximalgcalves
D. Eyes
E. Superiorgshouldergregions
F. Softgtissuesgofgthegneckg✔✔Eyes
Reducinggthegnumbergofglinesgfilledgingk-spacegwillgproducegangimage:
A. Withgagdecreasegingspatialgresolution
B. Withgagincreasegingspatialgresolution
, C. WithgangdecreasegingoverallgSNR
D. WithgangincreasegingoverallgSNR
E. Withgagreducedgoverallgscangtime
F. B,gCgandgEgonly
G. A,gDgandgEgonlyg✔✔A,gDgandgEgonly
Reducinggthegnumbergofglinesgfilledgingk-
spacegreducesgthegnumbergofgphasegencodinggsteps,gresultinggingshortergscangtime,gangincreasegi
ngoverallgSNR,gbutgagdecreasegingspatialgresolution.
Thegsmallestgobjectgthatgcangbegresolvedgingangimagegacquiredgwithgag24cmgFOVgandgag272gxg2
72gmatrixgisg mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mmg✔✔0.88mm
