MRI ASMIRT LEVEL 1 EXAM
QUESTIONS WITH COMPLETE
ANSWERS
Which ccgradient ccis ccturned ccon ccto ccselect cca ccthin ccslice ccin ccthe ccbody? cc-
ccAnswer ccSlice-select ccgradient
A cccondition ccwhere ccTR ccis ccshorter ccthan ccthe ccT1 cc& ccT2 cctimes ccof ccthe cctissues
ccis cccalled cc- ccAnswer ccSteady ccstate
Increasing ccbandwidth cccauses cc- ccAnswer ccincreased ccSNR cc(worse ccSNR)
The ccoutside cclines ccof ccK ccspace ccdetermine cc- ccAnswer ccSpatial ccresolution
When ccdigitizing cca ccsignal, ccthe ccsampling cc(measurement) ccfrequency ccshould ccbe
ccset ccbased ccon cc- ccAnswer ccThe ccmaximum ccfrequency ccin ccthe ccsignal
Slice ccselection ccis ccperformed ccby? cc- ccAnswer ccTurning ccon cca ccgradient cccoil
ccduring ccexcitation
In ccchemical ccfat ccsuppression cca ccsaturation ccpulse ccis ccbased ccon cc- ccAnswer ccThe
ccprecession ccfrequency ccof ccfat
QUESTIONS WITH COMPLETE
ANSWERS
Which ccgradient ccis ccturned ccon ccto ccselect cca ccthin ccslice ccin ccthe ccbody? cc-
ccAnswer ccSlice-select ccgradient
A cccondition ccwhere ccTR ccis ccshorter ccthan ccthe ccT1 cc& ccT2 cctimes ccof ccthe cctissues
ccis cccalled cc- ccAnswer ccSteady ccstate
Increasing ccbandwidth cccauses cc- ccAnswer ccincreased ccSNR cc(worse ccSNR)
The ccoutside cclines ccof ccK ccspace ccdetermine cc- ccAnswer ccSpatial ccresolution
When ccdigitizing cca ccsignal, ccthe ccsampling cc(measurement) ccfrequency ccshould ccbe
ccset ccbased ccon cc- ccAnswer ccThe ccmaximum ccfrequency ccin ccthe ccsignal
Slice ccselection ccis ccperformed ccby? cc- ccAnswer ccTurning ccon cca ccgradient cccoil
ccduring ccexcitation
In ccchemical ccfat ccsuppression cca ccsaturation ccpulse ccis ccbased ccon cc- ccAnswer ccThe
ccprecession ccfrequency ccof ccfat