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D STUDY GUIDE LATEST 2024 ACTUAL EXAM 160 QUES
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TIONS AND CORRECT DETAILED
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ANSWERSWITH RATIONALES (VERIFIED ANSWERS)
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|ALREADY GRADED A+ h h
Whenhimaginghahgeriatrichpatient,hwhilehperforminghahPCAhMRAhsequence,hwhathimaginghparameterhmig
hththehoperatorhadjust?
A. Fieldhofhview
B. Presaturationhbandhlocation
C. Slicehthickness
D. VENC
E. Contrasthinjectionhrateh-hanswer-VENC
Ashthehnumberhofhphasehencodingshishincreasedhfromh256htoh512,hSNRh(signalhtohnoisehratio):
A. Increases
B. Decreases
C. Doubles
D. Doeshnothchange
E. Quadruplesh-hanswer-Decreases
Ahmagnetichvectorhpossesseshattributeshofhbothh andh .
A. Strength;hmagnitude
B. Direction;hpurpose
C. Strength;hflow
D. Magnitude;hdirectionh-hanswer-Magnitude;hdirection
WhathelementhinhthehbodyhishthehprincipalhnucleushutilizedhinhclinicalhMRhimaging?
A. Helium
B. Hydrogen
,C. Oxygen
D. Calciumh-hanswer-Hydrogen
WhichhofhthehfollowinghbesthdescribeshanhIRhsequence?
A. Ah180°hpulsehfollowedhbyhah90°/180°hcombination
B. Ah90°hpulsehfollowedhbyhah180°hpulse
C. Ahtrainhofhgradienthechoes
D. Ahtrainhofhspinhechoesh-hanswer-Ah180°hpulsehfollowedhbyhah90°/180°hcombination
GradienthechohsequenceshrequiringhhighhsignalhfromhfluidharehknownhashallhofhthehfollowinghEXCEPT:
A. T2*hgradienthecho
B. Steady-statehgradienthecho
C. Coherenthgradienthecho
D. Incoherenthgradienthechoh-hanswer-Incoherenthgradienthecho
Thehmedialhandhlateralhrectushmusclesharehlocatedhinhthe:
A. Ears
B. Posteriorhpelvichregion
C. Proximalhcalves
D. Eyes
E. Superiorhshoulderhregions
F. Softhtissueshofhthehneckh-hanswer-Eyes
Reducinghthehnumberhofhlineshfilledhinhk-spacehwillhproducehanhimage:
A. Withhahdecreasehinhspatialhresolution
B. Withhahincreasehinhspatialhresolution
C. WithhanhdecreasehinhoverallhSNR
D. WithhanhincreasehinhoverallhSNR
E. Withhahreducedhoverallhscanhtime
,F. B,hChandhEhonly
G. A,hDhandhEhonlyh-hanswer-A,hDhandhEhonly
Reducinghthehnumberhofhlineshfilledhinhk-
spacehreduceshthehnumberhofhphasehencodinghsteps,hresultinghinhshorterhscanhtime,hanhincreasehinhoverallh
SNR,hbuthahdecreasehinhspatialhresolution.
Thehsmallesthobjecththathcanhbehresolvedhinhanhimagehacquiredhwithhah24cmhFOVhandhah272hxh272hmatrixhis
mm.
A. 0.76mm
B. 0.88mm
C. 0.93mm
D. 1.13mm
E. 1.24mmh-hanswer-0.88mm
TohproducehanhimagehbasedhonhdifferenceshinhT1,hthehtimehintervalhbetweenh90°hexcitationhpulseshshouldh
be:
A. Long
B. Short
C. Refocussed
D. Invertedh-hanswer-Short
ThehenergyhusedhtohformhMRIhimageshish thehpatient'shtissues.
A. Emittedhfrom
B. Attenuatedhby
C. Amplifiedhfrom
D. Reflectedhoffh-hanswer-Emittedhfrom
ReferencinghthehCentershforhDiseasehControlhandhPreventionh(CDC),hwhathtypehofhisolationhprecautionshsh
ouldhbehusedhforhHIV-positivehpatientshinhthehMRIhsuite?
A. Respiratory
B. Droplet
, C. Standardh(universal)
D. Enteric
E. Contacth-hanswer-Standardh(universal)
couldhbehusedhtohlinehthehwallshand/orhfloorshofhthehMRhmagnethroomhtohreducehthehfring
ehfield,handhishdefinedhash shielding.
A. Copper;hactive
B. Steel;hactive
C. Copper;hpassive
D. Steel;hpassive
E. Lead;hactiveh-hanswer-Steel;hpassive
IfhthehTRhinhahgradienthechohsequencehishlesshthanhthehT2h(orhT2*),hthehresultinghconditionhishknownhas:
A. Spinhdown
B. Steadyhstate
C. Spinhdephasement
D. Thermalhequilibriumh-hanswer-Steadyhstate
Whichhtypehofhbloodhcellhishresponsiblehforhphagocytosis?
A. Leukocyte
B. Erythrocyte
C. Lymphocyte
D. Plateleth-hanswer-Leukocyte
Whichhofhthehfollowing,hinhanhMRAhsequence,haidshinhminimizinghthehlosshofhsignalhduehtohdephasinghwit
hinhahvoxel:
A. LonghTE
B. ShorthTR
C. Smallerhvoxelhsize