免疫英语考试试题及答案

免疫英语考试试题及答案考试时间：______分钟总分：______分姓名：______PartI:MultipleChoiceQuestions(30%)1.Theterm"MHC"standsforwhichofthefollowing?A.MajorHistocompatibilityComplexB.MinorHistocompatibilityComplexC.MajorHematologicalComplexD.MinorHematologicalComplex2.Whichofthefollowingisatypeofwhitebloodcellinvolvedinadaptiveimmunity?A.ErythrocyteB.LymphocyteC.ThrombocyteD.Monocyte3.Antibodiesarealsoknownas:A.ImmunoglobulinsB.InterferonsC.CytokinesD.Complements4.Theprocessbywhichanimmuneresponseisinducedagainstaself-antigeniscalled:A.ImmunetoleranceB.AutoimmunityC.HypersensitivityD.Immunodeficiency5.Thefirststepintheclassicalcomplementpathwayis:A.BindingofC4btotheantigenB.BindingofC3btotheantigenC.FormationofC3convertaseD.FormationofC5convertase6.WhichcelltypeisprimarilyresponsibleforpresentingantigenstoTlymphocytes?A.BlymphocyteB.CytotoxicTcellC.DendriticcellD.Neutrophil7.The"memory"responseintheimmunesystemismainlyattributedto:A.PlasmacellsB.EffectorTcellsC.MemoryBcellsandMemoryTcellsD.Macrophages8.WhichofthefollowingisNOTatypeofhypersensitivity?A.TypeIB.TypeIIC.TypeIIID.TypeIV9.TheFabregionofanantibodyisresponsiblefor:A.EffectorfunctionsB.BindingtoantigensC.BindingtocomplementD.Antibodystructurestability10.Toll-likereceptors(TLRs)areprimarilyinvolvedin:A.AdaptiveimmunityB.InnateimmunityC.ComplementactivationD.AntigenpresentationPartII:ReadingComprehension(40%)Passage1Theadaptiveimmunesystemprovidesaspecificdefensemechanismagainstpathogensandotherforeignsubstances.Unliketheinnateimmunesystem,whichisnon-specificandprovidesimmediatedefense,theadaptiveimmunesystemisslowtoactivatebuthighlyspecific.Itinvolvestherecognitionofspecificantigensbylymphocytes,whichthenproliferateanddifferentiateintoeffectorcellsandmemorycells.KeyplayersinthissystemincludeTlymphocytesandBlymphocytes.Questions1-31.Whatistheprimarycharacteristicthatdistinguishestheadaptiveimmunesystemfromtheinnateimmunesystem?A.Itisnon-specific.B.Itprovidesimmediatedefense.C.Itishighlyspecific.D.Itinvolvesphagocytosis.2.Whichcellsareconsideredthekeyplayersintheadaptiveimmunesystem?A.NeutrophilsandMacrophagesB.LymphocytesC.NaturalKillercellsD.Eosinophils3.Whathappenstolymphocytesaftertheyrecognizespecificantigens?A.Theydieimmediately.B.Theyproliferateanddifferentiate.C.Theylosetheirspecificity.D.Theyfusewithmacrophages.Passage2AntibodiesareY-shapedproteinsproducedbyplasmacellsinresponsetoanantigen.Theyarecomposedoftwoheavychainsandtwolightchains,heldtogetherbydisulfidebonds.ThevariableregionsatthetipsoftheYcontaintheantigen-bindingsites,whichareuniqueforeachantibody.Antibodiescanneutralizepathogens,markthemfordestructionbyotherimmunecells,andactivatethecomplementsystem.Questions4-64.Whereareantibodiesproduced?A.InthethymusB.InthebonemarrowC.BymacrophagesD.ByTcells5.Whatisthebasicstructureofanantibody?A.TwoheavychainsandonelightchainB.FourheavychainsC.TwoheavychainsandtwolightchainsD.Oneheavychainandtwolightchains6.Whatisthefunctionofthevariableregionsinanantibody?A.ToprovidestructuralstabilityB.TobindtoantigensC.ToactivatecomplementD.TomediateeffectorfunctionsPassage3Immunetoleranceisthefailuretomountanimmuneresponsetoaself-antigen,whichpreventsautoimmunediseases.Thisprocessiscrucialduringdevelopment.CentraltoleranceoccursinthethymusforTcellsandthebonemarrowforBcells,whereself-reactivelymphocytesaredeletedoranergized.PeripheraltoleranceoccursoutsidetheseprimarylymphoidorgansandinvolvesregulatoryTcellsandinhibitoryreceptors.Questions7-97.Whatisthemainpurposeofimmunetolerance?A.TofightinfectionsB.TopreventautoimmunediseasesC.ToincreaseantibodyproductionD.Toactivatethecomplementsystem8.Wheredoescentraltoleranceprimarilytakeplace?A.SpleenB.LymphnodesC.ThymusD.Bonemarrow9.Whichcellsareinvolvedinperipheraltolerance?A.PlasmacellsB.EffectorTcellsC.RegulatoryTcellsD.BcellsPartIII:Translation(20%)SectionA:EnglishtoChinese1.Antigen:Anysubstancethatcausesyourimmunesystemtoproduceantibodiesagainstit.2.Cytokine:Asubstancethatisproducedbyonecelltoinfluencethebehaviorofanothercell,especiallyintheimmunesystem.3.ImmuneResponse:Thebody'sreactiontoinvasionbyforeignsubstancessuchasbacteria,viruses,ortransplantedtissues.4.MHCClassII:MajorhistocompatibilitycomplexclassIImoleculesarecellsurfaceproteinsthatpresentantigentoCD4+Tcells.SectionB:ChinesetoEnglish5.补体系统isagroupofproteinsthatworktogethertodestroypathogens.6.ThymusistheorganwhereTcellsmatureandbecomefunctionallycompetent.7.Self-tolerancemeanstheimmunesystemdoesnotattackthebody'sowntissues.PartIV:WritingandTranslation(10%)TranslatethefollowingparagraphintoEnglish:题目：Brieflydescribethemechanismofantigen-antibodyinteraction.参考译文（用于评分）：Antigensarerecognizedbythespecificvariableregionsofantibodies,leadingtoalock-and-keytypeofbinding.Thisinteractioncanneutralizetoxins,agglutinatepathogens,oractivatethecomplementcascadedependingonthetypeofantibodyandantigeninvolved.TranslatethefollowingparagraphintoChinese:题目：DescribetheroleofCytokinesininflammation.参考译文（用于评分）：Cytokinesaresignalingmoleculesthatmediateandregulateimmunity,inflammation,andhematopoiesis.Ininflammation,cytokinessuchasinterleukinsandtumornecrosisfactor-alphaarereleasedbymacrophagesandothercellstorecruitimmunecellstothesiteofinfectionorinjury.试卷答案PartI:MultipleChoiceQuestions(30%)1.A解析思路：MHC是MajorHistocompatibilityComplex的缩写，即主要组织相容性复合体，是免疫学中最核心的术语之一。2.B解析思路：适应性免疫主要由淋巴细胞（T细胞和B细胞）介导，而中性粒细胞、单核/巨噬细胞等属于先天免疫细胞。3.A解析思路：抗体的化学本质是免疫球蛋白（Immunoglobulins，简称Ig），这是专业英语中的固定对应关系。4.B解析思路：免疫系统攻击自身组织被称为自身免疫，这是与免疫耐受相对的概念。5.A解析思路：经典补体途径的激活是从C1q结合抗原-抗体复合物开始，随后依次激活C4和C2，最终形成C3转化酶（C4b2a）。6.C解析思路：树突状细胞是抗原呈递细胞中最强的一类，能够捕获抗原并在淋巴结中呈递给T细胞。7.C解析思路：记忆细胞（记忆B细胞和记忆T细胞）是免疫系统获得性免疫记忆的物质基础，能够应对再次感染。8.D解析思路：超敏反应根据Coombs和Gell的分类法分为I、II、III、IV四种类型。9.B解析思路：Fab（抗原结合片段）负责识别并结合抗原，Fc（可结晶片段）则负责介导效应功能（如结合补体或Fc受体）。10.B解析思路：Toll样受体主要表达在固有免疫细胞表面，用于识别病原体相关分子模式（PAMPs），属于先天免疫的识别机制。PartII:ReadingComprehension(40%)Passage11.C解析思路：文中第一句明确指出“Unliketheinnateimmunesystem...theadaptiveimmunesystemisslowtoactivatebuthighlyspecific.”，强调了特异性。2.B解析思路：文中第二句提到“KeyplayersinthissystemincludeTlymphocytesandBlymphocytes.”，直接点明了关键细胞类型。3.B解析思路：文中提到“whichthenproliferateanddifferentiateintoeffectorcellsandmemorycells”，描述了淋巴细胞识别抗原后的增殖和分化过程。Passage24.B解析思路：文中第二句指出“AntibodiesareY-shapedproteinsproducedbyplasmacells...”，明确了抗体由浆细胞产生。5.C解析思路：文中明确描述抗体结构为“composedoftwoheavychainsandtwolightchains”。6.B解析思路：文中提到“Thevariableregions...containtheantigen-bindingsites”，指出了变体区域的功能是结合抗原。Passage37.B解析思路：文中第一句提到“preventsautoimmunediseases”，说明了免疫耐受的主要目的。8.C解析思路：文中提到“CentraltoleranceoccursinthethymusforTcells”，指出胸腺是T细胞发生中枢耐受的场所。9.C解析思路：文中提到“Peripheraltolerance...involvesregulatoryTcellsandinhibitor