ARRTlMRIlExaml()lQuestionslandlVerifiedl
Answers|lGradelA|l100%lCorrect
:
QUESTION
ThelMRIlsystemlcomponentlthatlproduceslthelmagnetizationloflprotonlspinsl(alignment)lislkno
wnlaslthe:
lA.lShimlsystem
lB.lMainlmagnet
lC.lGradientlsystem
lD.lRadiofrequencylsystem
Answer:
Mainlmagnet
QUESTION
Theldifferencelinlchemicallshiftlislapproximatelyl______lparts-per-million.
lA.l1.5
lB.l2.5
lC.l3.5
lD.l4.5
lE.l5.5
Answer:
3.5
QUESTION
Duringlmovementlorltransferloflpatients,lalurinarylcollectionlbaglshouldlbelplaced:
lA.lBelowlthellevelloflthelMRltable
lB.lAtlthelfootloflthelMRIltable
lC.lOnlthelstretcherlbetweenlthelpatientsllegs
lD.lBelowlthellevelloflthelurinarylbladder
,Answer:
Belowlthellevelloflthelurinarylbladder
QUESTION
Thelpixellsizeloflthelimageslwhichlresultlfromlal3Dlacquisitionlusinglal260mmlFOV,lal320lxl3
20lmatrix,l32lsliceslandlalvolumelofl64lmmlis:
lA.l0.81lxl0.81lmm
lB.l0.88lxl0.88lmm
lC.l1.12lxl1.12lmm
lD.l1.18lxl1.18lmm
lE.l1.28lxl1.28lmm
Answer:
0.81lxl0.81lmm
QUESTION
Whenlalgradientlecholsequencelislselectedlforlfast,lbreathlholdldynamiclcontrast-
enhancedlimagingloflthelabdomen,l_____________lislutilized.
lA.lAlrefocussingl180°lRFlpulse
lB.lAnlinvertinglRFlpulse
lC.lPresaturation
lD.lSpoiling
lE.lCSFlnulling
Answer:
Spoiling
QUESTION
Thelstructureslthatlcompriselthelrotatorlcufflinlthelshoulderlare:
I.lDeltoidlmuscle
II.lSubscapularislmusclelandltendon
III.lInfraspinatuslmusclelandltendon
IV.lTereslminorlmusclelandltendon
,V.lSupraspinatuslmusclelandltendon
VI.lTrapeziuslmusclelandltendon
Answer:
I.lDeltoidlmuscle
III.lInfraspinatuslmusclelandltendon
IV.lTereslminorlmusclelandltendon
V.lSupraspinatuslmusclelandltendon
QUESTION
Whichloflthelfollowinglhaslbeenldocumentedltolcauselmusclelcontractions,lcardiaclarrhythmias,
lmildlcutaneouslsensationslandlvisualllightlflashes?lA.lOscillatinglmagneticlfieldsl(RFl--
lradiofrequency)
lB.lTimelvaryinglmagneticlfieldsl(TVMFl--lgradient)
lC.lStaticlmagneticlfieldsl(mainlmagnet)
lD.lHealthcareladministration'slrecentldemands
Answer:
Timelvaryinglmagneticlfieldsl(TVMFl--lgradient)
QUESTION
Whenlimaginglthelspine,ltolruleloutlmetastaticllesionsloflthelspinallcord,lcontrastlenhancementl
islusedlwithlT1lweightedlimageslbecause:
lA.lCSFlislbrightlandlcordlisldark
lB.lScarlenhanceslandldiskldoeslnot
lC.lMetastaticllesionsl(inlthelcord)lenhancelandlnormallcordldoeslnot
lD.lNormallcordlenhanceslandlmetastaticllesionsldolnot
Answer:
Metastaticllesionsl(inlthelcord)lenhancelandlnormallcordldoeslnot
QUESTION
CalculateltheleffectivelTRlforlalpatientlwithlalheartlratelofl70lbeatsl/lmin.
, lA.l692lms
lB.l857lms
lC.l1024lms
lD.l1223lms
Answer:
857lms
Iflthelheartlratelisl70lbeatslperlminute,lthelR-
Rlintervall(effectivelTR)lwouldlbelcalculatedlaslsuch:l60,000lmillisecondsl(60lsecondslperlmin
ute,landltherelarel1000lmillisecondslperlsecond)l÷l70l(heartlrate)lwhichl=l857lmillisecondslTR.
QUESTION
Ifltheldesirelisltolnulllthelsignallfromlalspecificltissuelusinglanlinversionlrecoverylsequence,lthe
linversionltimel(TI)lselectedlshouldlbel______loflthelT1lrelaxationltimeloflthatltissue.
lA.l37%
lB.l43%
lC.l63%
lD.l69%
lE.l82%
Answer:
69%
Ifltheldesirelisltolnulllthelsignallfromlalspecificltissuelusinglanlinversionlrecoverylsequence,lthe
linversionltimel(TI)lselectedlshouldlbel69%loflthelT1lrelaxationltimeloflthatltissue.
QUESTION
Inlorderltolgeneratelthinlslices,lal___________lislused.
I.lSteeplslicelselectionlgradient
II.lHighlamplitudelslicelselectlgradient
III.lLowlamplitudelslicelselectlgradient
IV.lNarrowltransmitlbandwidthl(tBW)
V.lWideltransmitlbandwidthl(tBW)
VI.lNarrowlreceiverlbandwidthl(rBW)
Answers|lGradelA|l100%lCorrect
:
QUESTION
ThelMRIlsystemlcomponentlthatlproduceslthelmagnetizationloflprotonlspinsl(alignment)lislkno
wnlaslthe:
lA.lShimlsystem
lB.lMainlmagnet
lC.lGradientlsystem
lD.lRadiofrequencylsystem
Answer:
Mainlmagnet
QUESTION
Theldifferencelinlchemicallshiftlislapproximatelyl______lparts-per-million.
lA.l1.5
lB.l2.5
lC.l3.5
lD.l4.5
lE.l5.5
Answer:
3.5
QUESTION
Duringlmovementlorltransferloflpatients,lalurinarylcollectionlbaglshouldlbelplaced:
lA.lBelowlthellevelloflthelMRltable
lB.lAtlthelfootloflthelMRIltable
lC.lOnlthelstretcherlbetweenlthelpatientsllegs
lD.lBelowlthellevelloflthelurinarylbladder
,Answer:
Belowlthellevelloflthelurinarylbladder
QUESTION
Thelpixellsizeloflthelimageslwhichlresultlfromlal3Dlacquisitionlusinglal260mmlFOV,lal320lxl3
20lmatrix,l32lsliceslandlalvolumelofl64lmmlis:
lA.l0.81lxl0.81lmm
lB.l0.88lxl0.88lmm
lC.l1.12lxl1.12lmm
lD.l1.18lxl1.18lmm
lE.l1.28lxl1.28lmm
Answer:
0.81lxl0.81lmm
QUESTION
Whenlalgradientlecholsequencelislselectedlforlfast,lbreathlholdldynamiclcontrast-
enhancedlimagingloflthelabdomen,l_____________lislutilized.
lA.lAlrefocussingl180°lRFlpulse
lB.lAnlinvertinglRFlpulse
lC.lPresaturation
lD.lSpoiling
lE.lCSFlnulling
Answer:
Spoiling
QUESTION
Thelstructureslthatlcompriselthelrotatorlcufflinlthelshoulderlare:
I.lDeltoidlmuscle
II.lSubscapularislmusclelandltendon
III.lInfraspinatuslmusclelandltendon
IV.lTereslminorlmusclelandltendon
,V.lSupraspinatuslmusclelandltendon
VI.lTrapeziuslmusclelandltendon
Answer:
I.lDeltoidlmuscle
III.lInfraspinatuslmusclelandltendon
IV.lTereslminorlmusclelandltendon
V.lSupraspinatuslmusclelandltendon
QUESTION
Whichloflthelfollowinglhaslbeenldocumentedltolcauselmusclelcontractions,lcardiaclarrhythmias,
lmildlcutaneouslsensationslandlvisualllightlflashes?lA.lOscillatinglmagneticlfieldsl(RFl--
lradiofrequency)
lB.lTimelvaryinglmagneticlfieldsl(TVMFl--lgradient)
lC.lStaticlmagneticlfieldsl(mainlmagnet)
lD.lHealthcareladministration'slrecentldemands
Answer:
Timelvaryinglmagneticlfieldsl(TVMFl--lgradient)
QUESTION
Whenlimaginglthelspine,ltolruleloutlmetastaticllesionsloflthelspinallcord,lcontrastlenhancementl
islusedlwithlT1lweightedlimageslbecause:
lA.lCSFlislbrightlandlcordlisldark
lB.lScarlenhanceslandldiskldoeslnot
lC.lMetastaticllesionsl(inlthelcord)lenhancelandlnormallcordldoeslnot
lD.lNormallcordlenhanceslandlmetastaticllesionsldolnot
Answer:
Metastaticllesionsl(inlthelcord)lenhancelandlnormallcordldoeslnot
QUESTION
CalculateltheleffectivelTRlforlalpatientlwithlalheartlratelofl70lbeatsl/lmin.
, lA.l692lms
lB.l857lms
lC.l1024lms
lD.l1223lms
Answer:
857lms
Iflthelheartlratelisl70lbeatslperlminute,lthelR-
Rlintervall(effectivelTR)lwouldlbelcalculatedlaslsuch:l60,000lmillisecondsl(60lsecondslperlmin
ute,landltherelarel1000lmillisecondslperlsecond)l÷l70l(heartlrate)lwhichl=l857lmillisecondslTR.
QUESTION
Ifltheldesirelisltolnulllthelsignallfromlalspecificltissuelusinglanlinversionlrecoverylsequence,lthe
linversionltimel(TI)lselectedlshouldlbel______loflthelT1lrelaxationltimeloflthatltissue.
lA.l37%
lB.l43%
lC.l63%
lD.l69%
lE.l82%
Answer:
69%
Ifltheldesirelisltolnulllthelsignallfromlalspecificltissuelusinglanlinversionlrecoverylsequence,lthe
linversionltimel(TI)lselectedlshouldlbel69%loflthelT1lrelaxationltimeloflthatltissue.
QUESTION
Inlorderltolgeneratelthinlslices,lal___________lislused.
I.lSteeplslicelselectionlgradient
II.lHighlamplitudelslicelselectlgradient
III.lLowlamplitudelslicelselectlgradient
IV.lNarrowltransmitlbandwidthl(tBW)
V.lWideltransmitlbandwidthl(tBW)
VI.lNarrowlreceiverlbandwidthl(rBW)