如果您无法下载资料，请参考说明：
1、部分资料下载需要金币，请确保您的账户上有足够的金币
2、已购买过的文档，再次下载不重复扣费
3、资料包下载后请先用软件解压，在使用对应软件打开
医学免疫学英语试题医学免疫学英语试题医学免疫学英语试题ⅠChooseonewhichisthebestanswerineachquestion（40×1point=40）1.Immunologicalunresponsivenesstoselfantigensiscalled:(A)窗体顶端AToleranceBTolerogenCMemoryDAcquiredimmunity2.ThesignaltransductionmoleculesassociatedwithBCRare(B)A.CD21andCD81.B.IgαndIgβCD79a,bC.IgDandIgM.D.ITAMsandITIMs.3.TcellsareMHC-restrictedintheirabilitytorespondtoantigenbecause(D)A.allantigenmustbeprocessedandpresentedtoactivatelymphocytes.B.duringaninfection,allcellsinthebodypresentantigenonMHCClassI.C.MHCbindsantigenmorespecificallythanTCRdoes.D.TCRmustrecognizebothantigenandMHCmolecules.4.AnantibodyFabcontains(AB)A.complementaritydeterminingregions.B.HandLchainvariableregions.C.oneantigenbindingregion.D.oneH-Linterchaindisulfidebond.5Positiveselectioninthethymusismediatedby:(A)窗体顶端AThymicepithelialcells.BMacrophages.CDendriticcells.DB-cells.6.TypeⅣhypersentivityisoftenreferredtoas:(B)A.ImmediatehypersensitivityB.DelayedhypersensitivityC.CytotoxichypersensitivityD.Allergichypersensitivity7.TypeⅡhypersentivityisoftenreferredtoas:(C)A.ImmediatehypersensitivityB.DelayedhypersensitivityC.CytotoxichypersensitivityD.Allergichypersensitivity8.NaiveBcellexpresses(C)A.IgAaloneB.IgAandIgGCIgM+IgDD.IgEandIg9.Tcell-derivedcytokines(D)A.areantigen-specificproductsofTcellactivationB.arestoredintherestingTcellandreleasedonactivationC.areMHC-restrictedintheireffectsD.influencetheclassofantibodiesproducedbyBcellNeutrophilsareattractedtoaninfectedareaby(C)IgMB.C1C.C5aD.C8Complementlysescellsby(C)enzymaticdigestionofthecellmembraneactivationofadenylatecyclaseinsertionofcomplementproteinsintothecellmembraneinhibitionofelongationfactor212.CD8isamarkerof(C)BcellsB.Helper-TcellsC.cytotoxicTcellD.Mφ13.MHCclassⅡmoleculesarefoundon(B)VirtuallyallcellsinthebodyB.Bcells,DCandMφC.VirtuallyallnucleatedcellsinthebodyD.Onlyonvirally-infectedcells.14.AlloffollowingcytokinesaresecretedbyTh2cellsexcept(B)IL-4B.IFN-γC.IL-5D.IL-615.WhichofthefollowingisNOTtrueofCD4+andCD8+ce
立即下载
