CT EXAM 1 WITH FULL PACK SOLUTIONS

CT EXAM 1 WITH FULL PACK
SOLUTIONS




The rmain rgoal rin rCT ris rto:

A. rMinimize rsuperimposition
B. rImprove rcontrast rresolution
C. rProvide ra rlarge ramount rof rclinical rinformation rin ra rshort ramount rof rtime
D. rAll rthe rabove r- rcorrect ranswers r-D

Arrange rMR rImaging, rCT rImaging, rand rplain rfilm rx-ray rimaging rin rorder rfrom rbest
rto rworst rin rtheir rability rto rdifferentiate rsoft rtissues rin rthe rbody:


A. rX-ray ris rbetter rthan rCT ris rbetter rthan rMRI
B. rMRI ris rbetter rthan rCT ris rbetter rthan rx-ray
C. rCT ris rbetter rthan rMRI ris rbetter rthan rx-ray
D. rX-ray ris rbetter rthen rMRI ris rbetter rthan rCT r- rcorrect ranswers r-B

,Sectional rImages rare robtained rfrom rall rof rthe rfollowing rexcept:

A. rTomography
B. rTransverse rAxial rTomography
C. rConventional rRadiography
D. rComputed rTomography r- rcorrect ranswers r-C

Which racronym rhas rbeen restablished rby rthe rRadiological rSociety rof rNorth rAmerica
rin rmajor rAmerican rradiology rjournals


A. rRTCT
B. rCTAT
C. rCT
D. rCAT r- rcorrect ranswers r-C

Data rAcquisition rrefers rto:

A. rCollecting rx-ray rtransmission rreadings rfrom rthe rpatient
B. rSubjecting rdata rto rcomputer rprocessing
C. rChanging rthe rdata rbefore rthey rare rdisplayed ron ra rmonitor
D. rStoring rthe rdata rcollected rfrom rthe rpatient ronto rmagnetic rtapes ror rdisks r-
rcorrect ranswers r-A


Which rterm rdescribes rthe rsystematic rmotion rof rthe rx-ray rtube ras rit rrotates raround
rthe rpatient rto rcollect rx-ray rtransmission rreadings?


A. rTranslating
B. rScanning
C. rData rProcessing
D. rSampling r- rcorrect ranswers r-B

Who rdeveloped rthe rfirst rclinically ruseful rcomputed rtomography rscanner?

A. rCormack
B. rRoentgen
C. rHounsfield
D. rCurry r- rcorrect ranswers r-C

The rdetectors rconvert rthe rattenuation rdata rinto r________ rsignals

A. rDigital
B. rElectrical
C. rLight
D. rMechanical r- rcorrect ranswers r-B

Who ris rconsidered rthe r"Father rof rComputed rTomography"?

, A. rWillhelm rRoentgen
B. rDr. rRobert rLedley
C. rGodfrey rHousfield
D. rDr. rAllan rCormack r- rcorrect ranswers r-C

Please rChoose rall rthe rAnswers rthat rapply:
What rare rthe rdisadvantages rof rCT?

A. rCost
B. rHigh rdose rof rradiation
C. rIncreased rcontrast rresolution
D. rFast rExam rTimes r- rcorrect ranswers r-A, rB

Please rChoose rall rthe rAnswers rthat rapply:
The rnumber rof rphotons rthat rinteract rwith rthe rtissues rof rthe rpatient rdepends ron rthe
rtissues:


A. rThickness
B. rDensity
C. rCircumference
D. rAtomic rNumber r- rcorrect ranswers r-A, rB, rD

The rradiation rused rin rHounsfield's rfirst rexperiments rwas:

A. rGamma
B. rRadioactive
C. rElectromagnetic
D. rBeta rRadiation r- rcorrect ranswers r-A

Computed rTomography ris rable rto rquantify rthe rbeam rattenuation rof ra rgiven
rstructure. rThe rMeasurements rare rexpressed rin r_______ runits


A. rGamma
B. rAttenuation
C. rHounsfield
D. rRadiation r- rcorrect ranswers r-C

The ramount rof rthe rx-ray rbeam rthat ris rscattered ror rabsorbed rper runit rthickness rof
rthe rabsorber ris rexpressed rby rthe r___________


A. rPhoton rflux
B. rLinear rattenuation rco-efficient
C. rHounsfield rUnit
D. rGamma rNumber r- rcorrect ranswers r-B