有关免疫的英语练习题及答案

有关免疫的英语练习题及答案考试时间：______分钟总分：______分姓名：______Part1:VocabularyMatchingMatchthefollowingEnglishtermswiththeirmostappropriateChinesedefinitions.1.Immuneresponse2.Antigen3.Lymphocyte4.Cytokine5.Memorycell6.Phagocytea.Atypeofwhitebloodcellinvolvedintheadaptiveimmunesystemthatrememberspastpathogens.b.Asubstancethattriggersanimmuneresponse.c.Acellthatengulfsanddigestspathogensorcellulardebris.d.Chemicalmessengersthat调节immuneandinflammatoryreactions.e.Thebody'sdefensereactionagainstforeignsubstances.f.Awhitebloodcellthatplaysakeyroleintheimmunesystem.Part2:MultipleChoiceChoosethebestanswerforeachquestion.7.Whichofthefollowingisprimarilyresponsiblefortheinitial,rapiddefenseagainstpathogens?a.Adaptiveimmunityb.Innateimmunityc.Humoralimmunityd.Cell-mediatedimmunity8.Antibodiesaresecretedbywhichtypeofimmunecell?a.Tcellsb.Macrophagesc.Bcellsd.Neutrophils9.TheMHC(MajorHistocompatibilityComplex)moleculesprimarilypresentonwhichtypeofcells?a.Redbloodcellsb.Bcellsc.Macrophagesd.Antigen-presentingcellsandnucleatedcells10.Whichofthefollowingbestdescribespassiveimmunity?a.Immunitygainedthroughthebodyproducingitsownantibodiesaftervaccination.b.ImmunitygainedthroughthebodyproducingitsownTcellsspecifictoapathogen.c.Immunityacquiredbyreceivingantibodiesfromanothersource.d.Immunitythatdevelopsovertimeafterrepeatedexposuretoanantigen.11.Whichtypeofimmuneresponseischaracterizedbyarapidreactionanddoesnothavememory?a.Adaptivehumoralresponseb.Adaptivecell-mediatedresponsec.Innateresponsed.Memoryresponse12.Vaccinationworksprimarilyby:a.Directlykillingthepathogen.b.Blockingthepathogen'sentryintothebody.c.StimulatingtheproductionofmemoryBcellsandTcells.d.Inducingachronicinflammatorystate.Part3:FillintheBlanksFillintheblankswiththemostappropriateimmune-relatedtermorphrase.13.Theprocessbywhichtheimmunesystemrecognizesandeliminatescellsthatareabnormalorinfectediscalled_________________________.14._________________________areproteinsproducedbyBcellsthatcanspecificallybindtoantigens.15.Cellsoftheinnateimmunesystem,suchasneutrophilsand_________________________,arecrucialforphagocytosis.16.Tcellsthatdirectlykillinfectedhostcellsareknownas_________________________Tcells.17.Thespecificrecognitionofantigensbytheadaptiveimmunesystemreliesonuniquereceptorsfoundon_________________________.Part4:ShortAnswerQuestions(Writeyouranswersincompletesentences.)18.Brieflyexplainthedifferencebetweeninnateimmunityandadaptiveimmunityintermsoftheirspeedofresponseandspecificity.19.Whatisanantigen-presentingcell(APC),andwhatisitsprimaryroleintheimmuneresponse?20.Describethefunctionofantibodiesintheimmunesystem.21.Whatistheroleofcytokinesincoordinatinganimmuneresponse?试卷答案Part1:VocabularyMatching1.e2.b3.f4.d5.a6.c解析思路：1.e:免疫反应(Thebody'sdefensereactionagainstforeignsubstances.)指的是免疫系统对异物产生的防御反应。2.b:抗原(Asubstancethattriggersanimmuneresponse.)是指能引发免疫反应的物质。3.f:淋巴细胞(Awhitebloodcellthatplaysakeyroleintheimmunesystem.)是免疫系统中起关键作用的白细胞。4.d:细胞因子(Chemicalmessengersthatregulateimmuneandinflammatoryreactions.)是调节免疫和炎症反应的化学信使。5.a:记忆细胞(Atypeofwhitebloodcellinvolvedintheadaptiveimmunesystemthatrememberspastpathogens.)是适应性免疫系统中能记住既往病原体的白细胞类型。6.c:吞噬细胞(Acellthatengulfsanddigestspathogensorcellulardebris.)是吞噬并消化病原体或细胞碎片的细胞。Part2:MultipleChoice7.b8.c9.d10.c11.c12.c解析思路：7.b:先天性免疫(Innateimmunity)是指机体天生的、非特异性的防御能力，反应速度快，是第一道防线。8.c:B细胞(Bcells)是产生抗体的淋巴细胞。9.d:MHC（主要组织相容性复合体）分子主要表达在抗原呈递细胞（如树突状细胞、巨噬细胞）和所有有核细胞表面，用于呈递抗原给T细胞。10.c:被动免疫(Passiveimmunity)是指通过接受来自其他来源的现成抗体获得的免疫能力，如输入免疫球蛋白。11.c:先天性免疫(Innateresponse)的特点是无特异性和无记忆性，反应迅速但不会对下次相同病原体产生更快更强的反应。12.c:疫苗(Vaccination)通过引入抗原（灭活的、减毒的或片段的病原体）刺激机体产生针对该抗原的记忆B细胞和T细胞，从而在再次接触时能更快更有效地清除病原体。Part3:FillintheBlanks13.Cell-mediatedimmunity14.Antibodies15.Macrophages16.Cytotoxic17.Lymphocytes解析思路：13.细胞介导免疫(Cell-mediatedimmunity):指主要依靠T细胞来清除感染细胞、肿瘤细胞等的免疫方式，其识别和清除异常细胞的过程属于此范畴。14.抗体(Antibodies):是B细胞产生的，能与特定抗原结合的蛋白质。15.巨噬细胞(Macrophages):是先天性免疫中的重要吞噬细胞，参与清除病原体。16.细胞毒性(Cytotoxic):描述能够直接杀伤细胞（如感染细胞或肿瘤细胞）的T细胞。17.淋巴细胞(Lymphocytes):是免疫系统的核心细胞，包括T细胞和B细胞，拥有特异性受体识别抗原。Part4:ShortAnswerQuestions18.Innateimmunityprovidesarapid,non-specificdefenseagainstpathogens,occurringimmediatelyorwithinhours.Itdoesnothavememory.Adaptiveimmunitytakesdaystoweekstodevelop,ishighlyspecifictoparticularpathogens,andprovidesamemorycomponent,leadingtoafasterandstrongerresponseuponre-exposure.解析思路：先天性免疫反应快、非特异性，立即或在几小时内发生；没有记忆。适应性免疫需要几天到几周才能建立，高度特异性针对特定病原体，并提供记忆功能，使得再次接触时反应更快更强。19.Anantigen-presentingcell(APC)isaspecializedcell,suchasadendriticcell,macrophage,orBcell,thatengulfspathogens,processestheirantigens,anddisplaysfragmentsoftheseantigensonitssurfaceusingMHCmolecules.ItsprimaryroleistoactivateTcellsbypresentingtheseantigens.解析思路：抗原呈递细胞（APC）是如树突状细胞、巨噬细胞、B细胞等能吞噬病原体、处理其抗原，并利用MHC分子将抗原片段呈现在表面的特殊细胞。其主要作用是通过呈递抗原来激活T细胞。20.Antibodiesfunctionbyrecognizingandbindingtospecificantigensonpathogensorinfectedcells.Thisbindingcanneutralizepathogensbyblockingtheirabilitytoenterhostcellsorcompeteforreceptors,markpathogensfordestructionbyphagocytesorNKcells(opsonization),oractivatethecomplementsystem,leadingtopathogenlysis.解析思路：抗体通过识别并结合病原体或感染细胞上的特异性抗原来发挥作用。这种结