医学微生物学试题及答案VIP免费

11.对青霉素产生耐药性的最常见的细菌是：()、选择题(每题1分,共30分)A型题:每一考题有A、B、C、D、E五个备选答案，请从中选择一个最佳答案填入题干后括号内。细菌的革兰染色性主要决定于：(A.核质结构D.磷壁酸的有无溶原性细菌是指：(1．2．3．4．5．6．7．8.9.B．E．)细胞壁结构中介体的有无C.细胞膜结构A.带有前噬菌体基因组的细菌C.带有温和噬菌体的细菌E.带有F质粒的细菌能引起内毒素性休克的细菌成分是：(A.肽聚糖B.磷壁酸C.LPS关于顿挫感染，下列叙述中哪项正确(A.因宿主细胞内有相应抑制物B.C.因宿主细胞缺乏有关酶E.因感染病毒抗原性转变细菌芽胞特有的、并与其高度耐热性有关的成分是：(A.磷脂B.肽聚糖D.二氨基庚二酸E.吡啶二羧酸下列哪种实验可用来检测致癌物质()A.AmestestB.transformationtestB．D．带有毒性噬菌体的细菌带有R质粒的细菌)D.菌体抗原E.荚膜多糖)D.因宿主细胞DNA有关基因激活因感染病毒有核酸缺失)C.磷壁酸C．fluctuationtestD．replicaplatingtestE.Widaltest杀灭包括芽胞的所有微生物的方法称作：(A.消毒B.无菌C.灭菌下列无芽胞的细菌中，抵抗力最强的是:(A.乙型溶血性链球菌D．灭活E•防腐B.金黄色葡萄球菌C.淋病奈瑟菌D.肺炎球菌E.脑膜炎奈瑟菌下列哪项不是病毒在细胞内增殖的指标()A.细胞病变效应B.红细胞吸附D.干扰现象E.细胞培养液混浊10.霍乱弧菌能粘附定植于小肠粘膜上皮细胞是因为具有C.细胞代谢的改变A.鞭毛B.LTAC.菌毛D.K抗原E.Vi抗原A．StreptococcusB．StaphylococcusC．MeningococcusD.GonococcusE.Pneumococcus12.分枝杆菌属最突出的特点是：()A.胞壁含大量脂质B•无特殊结构C.呈分枝生长D.一般不易着色E.抗盐酸乙醇脱色13.下列哪种物质与结核结节和干酪样坏死有关()A.分枝菌酸B.蜡质DC.磷脂D.索状因子E.硫酸脑苷脂14.下列哪种细菌不会引起食物中毒：()A.鼠伤寒沙门菌B.志贺菌C.蜡样芽胞杆菌D.希氏沙门菌E.产肠毒素的金黄色葡萄球菌15．从有正常菌群存在的部位所采取的标本应接种在哪种培养基中分离培养病原菌()D.假菌丝E.侵袭性酶18．真菌的假菌丝是由哪种孢子延长而形成的()19.ThemaininfectionsourceofepidemictypeBencephalitisvirusis:()A.patientB.healthcarrierC.youngpigD.culicine(库蚊)E.louse20.ThemaintypeofinfectioncausedbyPoliovirusis：()A.inappareentinfectionB.acuteinfectionC.chronicinfectionD.latentinfectionE.slowvirusinfection21.Atanofficevisit,a38-year-oldmancomplainsofjaundice黄疸,darkurine,anorexia厌食,abdominalpain,andmalaise不适.A．StreptococcusB．StaphylococcusC．MeningococcusSerologictestsarepositiveforbothHBeAgandHBsAg.Whichstatementmostaccuratelydescribesthevirusresponsibleforthesefindings()A.ItsgenomeisamessengerRNA(mRNA)thatencodesapolyprotein.B.Itsgenomeislineardouble-strandedDNA.C.ItsgenomeisRNA,butitreplicatesthroughaDNAintermediate.D.Itsreplicationrequiresahelpervirus.E.ItsreplicationrequiresanRNA-dependentDNApolymerase.22.Whichstepinviralreplicationisinhibitedbyproteaseinhibitor()A.PenetrationB.UncoatingC.TranscriptionD.ReplicationE.Viralassembly23.A48-year-oldmanhasbeenreceivingbloodproductsforhemophilia血友病sincechildhood.Heisnowsufferingfromalow-gradefever,weightloss,thrush鹅口疮，seriousboutsofdiarrhea,andsymptomsofpneumonia.Adeficiencyintheproductionofwhichsubstancewouldbemostpronouncedinthispatient()A.ComplementcomponentsB.ImmunoglobulinG(IgG)C.Interferon-alpha(IFN-a)D.Interferon-gamma(IFN-Y)E.Interleukin-1(IL-1)24．Aneonateisbornwithasmallhead,intracerebralcalcification脑内钙化,rash,andswollenliverandspleen.Cellswithabasophilicnuclearinclusionbodyareobtainedfromthepatient'surine,whichconditiondescribesthemostprevalentconsequenenceofadultinfectionwiththisagent()A.ImmunosuppressionandsusceptibilitytoopportunisticdiseasesB.Mildarthriticconditionwithafine...