影像—放射医学职称考试题（image radiological medicine examination）

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1、影像—放射医学职称考试题（Imageradiologicalmedicineexamination）TitleExaminationofRadiologicalMedicine1.XrayspassthroughthehumanbodyaccordingtotheworkprincipleofCTWhichpartofthefollowingisreceivedfirst(C)?A.computerB.arrayprocessorC.detectorD.diskE.cameraThemainadvantageofthe2.HRCTscanis(D)A.imageed

2、geblurB.relativedensityresolutionimprovedC.noiseissmallTherelativespatialresolutionofD.isimprovedE.ormoreComparedtothetraditionalCTscan,the3.helicalCTscanhasanimportantadvantageover(D)A.scanningspeedB.2Dor3DimagingisgoodC.isfasttorebuildD.volumescanE.singleormultiplescan4.whichofthefol

3、lowingisnotaCTcomparedtoaflatfilm?Advantage(B)A.hashighdensityresolutionB.hashighspatialresolutionC.hashighanatomicalresolutionD.enhancedscanisfavorableforqualitativediagnosisoflesionsE.canbereconstructedinmanydirections5.whichofthefollowingisCTcomparedtoMRI?Potential(D)A.directmultiax

4、ialimagingB.chemicalimaging,largeamountofinformationC.hashighdensityresolutionD.hashighspatialresolutionE.iodinefreeallergyhazard6.whichofthefollowingisCTcomparedtoMRI?Potential(C)A.noraydamageB.contrastagentshavehighersafetycoefficientC.issensitivetocalcificationandbonestructureD.dire

5、ctmultiaxialimagingE.chemicalimaging,largeamountofinformation7.whataretheadvantagesofthefollowingspiralCTscan?(B)A.shortensscantimeB.significantlyimprovesspatialresolutionC.reducedthepatient'sX-raydoseD.volumescanningE.reducesmotionartifactsinimagesRadialartifactsin8.CTimagesareusually

6、generated(E)AutonomicorinvoluntarymovementofA.patientsB.XraydoseinsufficiencyTheC.computerdealswithfaultsTheD.circuitisunstableAhighdensitystructureorforeignbodyonthebodyofanE.subject9.inthescanningprocess,thescanningsiteisoptionalandnotConsciousmovement,Produce(A)A.movingfringeartifac

7、tB.cupartifactC.annularartifactD.capartifactE.aboveisOK10.,theCTimagedensityresolutionistheleastaffectedThefactoris(E)A.signal-to-noiseratio,medical.Full.Online.Net.StandB.shapeoftheobjecttobestoppedC.objectdensitytobecheckedD.noiseE.scanparameters11.therangeofCTvalueforfreshbleeding