医学影像技术考试知识点（medical imaging technology examination knowledge point）

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1、医学影像技术考试知识点（Medicalimagingtechnologyexaminationknowledgepoint）MedicalimagingtechnicianexaminationFirsttimeshare:.Waituntiltheflowershavenotbeenopened,havebeenshared4Comments(0)copy,link,share,reprint,deleteWeapplytheprimaryimagingtechnologyprofessionaltechniciantimeisDecemb

2、er15thtoJanuary,theexaminationtimeisMayofthefollowingyear,examinationwrittenexaminationandman-machinedialogue.Ididseveralsetsofquestionsathomeandfoundthattherewasmorediagnosticandmedicalanatomy.Isummedupsomeofthekeypoints,whicharefrequentlyseen,andsomeofthemareincorrect.The

3、seareonlypartial,andIwillcontinuetoupdate......Tryforoneyear!Iodineallergytest:sublingualtest,intradermaltest,intravenousinjectiontest,conjunctivaltest,oraltestCTadvantages:1,densityresolutionishigh;2,candoquantitativeanalysis;3,straightsectionoftheimage;4,nolevelofinterfer

4、enceoutsidethestructureTheuseofcontrastagents:Choledochography-biligrafin;digestivetract-Medicalbariumsulfate;angiocardiographyHypaque,doubleConray,metrizamideventriculography;air;urography-angiografin;pyelography-sodiumamidotrizoate;cerebralangiographyHypaque;myeloggraphy-

5、Iotrolan,iophendylate;salpingography-lipiodolRegularCTandspiralCT:Thesamepoint:theX-raytuberotatescontinuouslyDifference:spiralCTcollectsdata.TheannoyingscanningmethodisthattheX-raytubeischangedfromreciprocatingmotiontocontinuousrotationscanninginonedirection.Thesubject(exa

6、minationbed)movesinonedirectionatthesametime.TheadvantagesofspiralCT:first,improvethescanningspeed,reducemotionartifacts;two,becauseitcancarryoutthinlayerscanning,itcanprovideabetterthree-dimensionalimagereconstructionvolumedataCTimagequalityparameters:first,contrastandcont

7、rast,resolution(densityresolution)two,highcontrastresolutionandlowcontrastresolution;three,spatialresolution;four,noise;five,uniformityTheprojectionfibersaretheinternalcapsuleandtheoutercapsuleTheventriclesofthebrainincludetheleftlateralventricles,thethreeorfourventricle,an

8、dthemidbrainaqueductThecommonbleedingsiteofhypertensionisbasalgangliahematomaThecl