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1、医学影像技术职称考试（Medicalimagingprofessionalexamination）WeapplytheprimaryimagingtechnologyprofessionaltechniciantimeisDecember15thtoJanuaryMay,examtimeistwenty-one,twenty-two,examinationwrittenexaminationandman-machinedialogue.Thesearetheusualquestions!Iodineallergytest:sublingualtest,in
2、tradermaltest,intravenousinjectiontest,conjunctivaltest,oraltestCTadvantages:1,densityresolutionishigh;2,candoquantitativeanalysis;3,straightsectionoftheimage;4,nolevelofinterferenceoutsidethestructureTheuseofcontrastagents:Choledochography-biligrafin;digestivetract-Medicalbariums
3、ulfate;angiocardiographyHypaque,doubleConray,metrizamideventriculography;air;urography-angiografin;pyelography-sodiumamidotrizoate;cerebralangiographyHypaque;myeloggraphy-Iotrolan,iophendylate;salpingography-lipiodolRegularCTandspiralCT:Thesamepoint:theX-raytuberotatescontinuously
4、Difference:spiralCTcollectsdata.TheannoyingscanningmethodisthattheX-raytubeischangedfromreciprocatingmotiontocontinuousrotationscanninginonedirection.Thesubject(examinationbed)movesinonedirectionatthesametime.TheadvantagesofspiralCT:first,improvethescanningspeed,reducemotionartifa
5、cts;two,becauseitcancarryoutthinlayerscanning,itcanprovideabetterthree-dimensionalimagereconstructionvolumedataCTimagequalityparameters:first,contrastandcontrast,resolution(densityresolution)two,highcontrastresolutionandlowcontrastresolution;three,spatialresolution;four,noise;five
6、,uniformityTheprojectionfibersaretheinternalcapsuleandtheoutercapsuleTheventriclesofthebrainincludetheleftlateralventricles,thethreeorfourventricle,andthemidbrainaqueductThecommonbleedingsiteofhypertensionisbasalgangliahematomaTheclinicalcharacteristicsofXrayarepenetration,fluores
7、cence,sensitizationandionizationWhataretheadvantagesanddisadvantagesoffluoroscopyandradiography?1,theperspectiveofadvantages:1,canbearbitrarilyrotatedwithmultiangleperspective;motorfunction2,canobservethemotionorgans;3,simpleoperationandlowcost;4,toobtaintestresults;5,intervention
8、aloperationintheperspectiveofcare
