第1題

TheeggsofAscarissuumgothroughtwomoltingsinthesoiltoentertheinfectiousstagewhentheycaninfectthedefinitivehost.Thislifecycleisadirectlifecycle.()第2題

Thelifecycleofparasitesreferstothewholeprocessofparasitegrowth,development,andreproduction.()第3題

Inswinefarms,pigletsaresusceptibletoAscarissuum.Inpathogenexamination,adultswinearealsoinfectedwithAscarissuum,buttheydonotdevelopthedisease.Therefore,adultswinearethecarryinghostsofAscarissuum.()第4題

Theeggsofthegapewormsswallowedbytheearthwormdonotdevelopintheearthworm.However,whenthechickenpecksattheearthworm,itwillbeinfectedwiththegapeworms,sotheearthwormistheintermediatehostofthegapeworms.()第5題

Feedingsheepwithfreshwaterhyacinthsdailycanbetterincreasetheresistanceofsheepandpreventtheherdfromparasitosisthanfeedingwithhay.()第6題

Feces3daysafterdewormingshouldbesubjecttoaccumulationandbio-safetydisposal.()第7題

Forthediagnosisofparasitosis,theparasitosiscanalsobediagnosedafterdeworming.()第8題

IntheareassuchasGansu,alargenumberofcattleandsheeptiltedtheirheadstoonesideandcircledaroundthesameside.Theycanbediagnosedascerebralechinococcosisonlywiththissymptom()第9題

Thefinalresultoftheimmuneresponsebetweentheparasiteandthehostisoftenpremunition.()第10題

Whenaparasiteparasitizesahost,otherparasitescannotparasitizethesamehost.()第11題

Afterparasiticinfection,theonsetismostlychronicandrecessive,withoutclinicalsymptomsorwithmildsymptoms.()第12題

Theinfectionrouteofforallparasitesisverysimple,whichisoralinfection.()第13題

Eachparasitehasaspecificrouteofinfectiontothehost.()

第14題

Differentanimalsinfectedwiththesameparasitemayhavedifferentsymptoms()

第15題Accordingtotheepidemicpatternofvariousparasitosis,animalsaregivenoralanthelminticsasscheduleeveryyear.Thisisclassifiedas()ATherapeuticdewormingBPreventivedewormingCEmergencydewormingDDewormingbeforeparasitematuration第16題Whensheepareinfectedwithacariasiswithintolerablepruritus,theskinscrapingmethodcanbeadoptedtodiagnosetheacariasis.Themaininfectedspecimenscollectedare()AHairatthehairlosssiteBDanderatthehairlosssiteCSkintissueatthecenterofthescabatthehairlosssiteDSkintissueatthejunctionofthehairlosssiteandhealthyskin第17題Theblood-suckingBabesiaboviscancauseanemiaandemaciationincattleandsheep.ToconfirmwhetherthesickcattlehaveBabesiabovis,its()shouldbecollected.AFecesBBloodCUrineDEyedischarge第18題Inswineascariasis,themaindiagnosticmethodtocheckwhetherswinehaveascariasisis()ADiagnosisbasedonclinicalsymptomsBDiagnosisbyfecalbrineflotationmethodCDiagnosisbybloodsmearmethodDDiagnosisbyfecalnaturalsedimentationmethodEDiagnosisbyintestinalautopsy第19題InthelifecycleofSpirometramansoni,eggsareejectedintothewater,thehatchedoncosphereisingestedbyacyclop,anddevelopedintoprocercoid.Thenthecyclopisingestedbyatadpole.Afterthetadpoledevelopsintoafrog,theprocercoiddevelopsintopleroceroidinthefrogandmovesintothefrogmuscletissue.Thefrogisingestedbyabird,andthepleroceroidmovesintothemuscletissueofthebird.Whenthebirdisingestedbyasnake,thepleroceroidmovesintothesnakebody.Afterthesnakeisingestedbyadog,thepleroceroidmovesintothedog'sintestinetodevelopintoadult

parasites.WhichanimalisthealternatehostoftheSpirometramansoniinthetextabove?()ACyclopBFrogCBirdDSnakeEDog第20題Whichofthefollowingoftenbelongstothetransmissionvectorforparasites?()AOncomelaniaBEarthwormCMosquitoDFish第21題Thelifecycleofbiogenicparasitesis()ADirectdevelopmentalBIndirectdevelopmental第22題Parasiteswithadirectdevelopmentallifecycledonotneed()ADefinitivehostBIntermediatehost第23題Parasitescanstilldevelop,reproduce,andsurviveinthehostwithnormalimmunefunction.Thisiscalled()AAcquiredimmunityBImmuneevasionCInnateimmunityDAbnormalimmunity第24題Theintermediatehostreferstothehostinthe()stageor()stageoftheparasite.ASexualreproductionBAsexualreproductionCLarvaDAdult

parasite正確答案：BC第25題Wecandivideparasitesinto()bytheparasitictime.APermanentparasiteBFacultativeparasiteCObligatoryparasiteDTemporaryparasite正確答案：AD第26題Themainhazardsofparasitesinclude()AMechanicalinjuryBSecondaryinfectionCHazardofparasitemetabolitesDPredationofhostnutrition正確答案：ABCD第27題Whichofthefollowingisaparasiticrelationship?ACiliatesincattleandcattlerumenBAscarissuuminswineandswinesmallintestinesCFlagellaintermitesandtermiteintestinesDCattleticksandBabesia正確答案：BD第28題Whichofthefollowingisnotcuttingofftherouteoftransmissioninaparasiticepidemic?()ARemovingticksincattlefarmsBNottakingcattletolow-lyingwaterforgrazingCAccumulatingfecesforfermentationDDewormingswine正確答案：CD第29題ThepreventivemeasuresforveterinaryparasitosisareADewormingbydrugsBImmunoprophylaxisCBio-safetydisposaloffecesDBlockingthetransmissionroutes正確答案：ABCD第30題TheeggconcentrationexaminationbybrineflotationcanbecarriedoutforwhichofthefollowingeggsACoccidialeggsBNematodeeggsCTrematodeeggsDTapewormeggs正確答案：ABD第31題Whichofthefollowingmethodsbelongstothepreventionandtreatmentofparasitosisbycuttingofftransmissionroutes?AKillingOncomelaniabythelakewithcoppersulfateBKeepingcatsinslaughterhousestopreventratsfromenteringCTransferringthecattleandsheeptonewpasturesafteroneandahalfmonthsofgrazingDFree-rangingswine正確答案：ABC第32題WhichofthefollowingmethodsbelongstothepreventionandtreatmentofparasitesbyprotectingsusceptibleanimalsAFeedingcompletefeedBBuildingthebarninahigh,dryandwell-ventilatedplaceCAllowinganimalstoself-grazebythepondeverydayandenhancingmovementDImmediatelygroupingandisolatingthenewbornanimalsafterweaning正確答案：ABD第33題WhichofthefollowingconditionsshouldbemetfortheselectionofanthelminticsABroadspectrumBNarrowspectrumandhighefficiencyCHighpriceandqualityDLowtoxicityEGoodpalatabilityFEasytouse正確答案：ABEF第34題TheprevalenceofparasitesisgeographicallymanifestedtobeASporadicBLocalCSeasonalDNaturalfocal正確答案：BCD第35題Whichofthefollowingisthesourceofparasiticinfection?ACarryinghostBTransmissionvectorCStoragehostDReservoirhost正確答案：ABCD第36題Theconditionsrequiredforparasitestocompletethelifecycleare()AProperhostBPropertemperatureCWithinfectiousstageDProperinfectionroute正確答案：ACD第1題TheeggsofAscarissuumgothroughtwomoltingsinthesoiltoentertheinfectiousstagewhentheycaninfectthedefinitivehost.Thislifecycleisadirectlifecycle.()第2題Thelifecycleofparasitesreferstothewholeprocessofparasitegrowth,development,andreproduction.()第3題Inswinefarms,pigletsaresusceptibletoAscarissuum.Inpathogenexamination,adultswinearealsoinfectedwithAscarissuum,buttheydonotdevelopthedisease.Therefore,adultswinearethecarryinghostsofAscarissuum.()第4題Theeggsofthegapewormsswallowedbytheearthwormdonotdevelopintheearthworm.However,whenthechickenpecksattheearthworm,itwillbeinfectedwiththegapeworms,sotheearthwormistheintermediatehostofthegapeworms.()第5題Feedingsheepwithfreshwaterhyacinthsdailycanbetterincreasetheresistanceofsheepandpreventtheherdfromparasitosisthanfeedingwithhay.()第6題Feces3daysafterdewormingshouldbesubjecttoaccumulationandbio-safetydisposal.()第7題Forthediagnosisofparasitosis,theparasitosiscanalsobediagnosedafterdeworming.()第8題IntheareassuchasGansu,alargenumberofcattleandsheeptiltedtheirheadstoonesideandcircledaroundthesameside.Theycanbediagnosedascerebralechinococcosisonlywiththissymptom()第9題Thefinalresultoftheimmuneresponsebetweentheparasiteandthehostisoftenpremunition.()第10題Whenaparasiteparasitizesahost,otherparasitescannotparasitizethesamehost.()第11題Afterparasiticinfection,theonsetismostlychronicandrecessive,withoutclinicalsymptomsorwithmildsymptoms.()第12題

Theinfectionrouteofforallparasitesisverysimple,whichisoralinfection.()第13題Eachparasitehasaspecificrouteofinfectiontothehost.()第14題Differentanimalsinfectedwiththesameparasitemayhavedifferentsymptoms()第15題Accordingtotheepidemicpatternofvariousparasitosis,animalsaregivenoralanthelminticsasscheduleeveryyear.Thisisclassifiedas()ATherapeuticdewormingB

PreventivedewormingCEmergencydewormingD

Dewormingbeforeparasitematuration第16題Whensheepareinfectedwithacariasiswithintolerablepruritus,theskinscrapingmethodcanbeadoptedtodiagnosetheacariasis.Themaininfectedspecimenscollectedare()AHairatthehairlosssiteB

DanderatthehairlosssiteCSkintissueatthecenterofthescabatthehairlosssiteDSkintissueatthejunctionofthehairlosssiteandhealthyskin第17題Theblood-suckingBabesiaboviscancauseanemiaandemaciationincattleandsheep.ToconfirmwhetherthesickcattlehaveBabesiabovis,its()shouldbecollected.AFecesB

BloodCUrineDEyedischarge第18題Inswineascariasis,themaindiagnosticmethodtocheckwhetherswinehaveascariasisis()ADiagnosisbasedonclinicalsymptomsBDiagnosisbyfecalbrineflotationmethodCDiagnosisbybloodsmearmethodDDiagnosisbyfecalnaturalsedimentationmethodEDiagnosisbyintestinalautopsy第19題InthelifecycleofSpirometramansoni,eggsareejectedintothewater,thehatchedoncosphereisingestedbyacyclop,anddevelopedintoprocercoid.Thenthecyclopisingestedbyatadpole.Afterthetadpoledevelopsintoafrog,theprocercoiddevelopsintopleroceroidinthefrogandmovesintothefrogmuscletissue.Thefrogisingestedbyabird,andthepleroceroidmovesintothemuscletissueofthebird.Whenthebirdisingestedbyasnake,thepleroceroidmovesintothesnakebody.Afterthesnakeisingestedbyadog,thepleroceroidmovesintothedog'sintestinetodevelopintoadult

parasites.WhichanimalisthealternatehostoftheSpirometramansoniinthetextabove?()ACyclopBFrogCBird

DSnakeEDog第20題Whichofthefollowingoftenbelongstothetransmissionvectorforparasites?()AOncomelaniaBEarthworm

CMosquitoD

Fish第21題Thelifecycleofbiogenicparasitesis()ADirectdevelopmentalBIndirectdevelopmental第22題Parasiteswithadirectdevelopmentallifecycledonotneed()A

Definitivehost

BIntermediatehost第23題Parasitescanstilldevelop,reproduce,andsurviveinthehostwithnormalimmunefunction.Thisiscalled()AAcquiredimmunityBImmuneevasionCInnateimmunityDAbnormalimmunity第24題Theintermediatehostreferstothehostinthe()stageor()stageoftheparasite.ASexualreproduction

BAsexualreproductionCLarvaDAdult

parasite正確答案：BC第25題Wecandivideparasitesinto()bytheparasitictime.APermanentparasiteBFacultativeparasiteCObligatoryparasiteD

Temporaryparasite正確答案：AD第26題Themainhazardsofparasitesinclude()AMechanicalinjury

BSecondaryinfection

CHazardofparasitemetabolitesDPredationofhostnutrition正確答案：ABCD第27題Whichofthefollowingisaparasiticrelationship?ACiliatesincattleandcattlerumenBAscarissuum

inswineandswinesmallintestinesCFlagellaintermitesandtermiteintestinesDCattleticksandBabesia正確答案：BD第28題Whichofthefollowingisnotcuttingofftherouteoftransmissioninaparasiticepidemic?()ARemovingticksincattlefarmsBNottakingcattletolow-lyingwaterforgrazingCAccumulatingfecesforfermentationDDewormingswine正確答案：CD第29題ThepreventivemeasuresforveterinaryparasitosisareADewormingbydrugsBImmunoprophylaxisCBio-safetydisposaloffecesDBlockingthetransmissionroutes正確答案：ABCD第30題TheeggconcentrationexaminationbybrineflotationcanbecarriedoutforwhichofthefollowingeggsACoccidialeggsBNematodeeggsCTrematodeeggsDTapewormeggs正確答案：ABD第31題Whichofthefollowingmethodsbelongstothepreventionandtreatmentofparasitosisbycuttingofftransmissionroutes?AKilling

Oncomelania

bythelakewithcoppersulfateBKeepingcatsinslaughterhousestopreventratsfromenteringCTransferringthecattleandsheeptonewpasturesafteroneandahalfmonthsofgrazingDFree-rangingswine正確答案：ABC第32題WhichofthefollowingmethodsbelongstothepreventionandtreatmentofparasitesbyprotectingsusceptibleanimalsAFeedingcompletefeedBBuildingthebarninahigh,dryandwell-ventilatedplaceCAllowinganimalstoself-grazebythepondeverydayandenhancingmovementDImmediatelygroupingandisolatingthenewbornanimalsafterweaning正確答案：ABD第33題WhichofthefollowingconditionsshouldbemetfortheselectionofanthelminticsABroadspectrumBNarrowspectrumandhighefficiencyCHighpriceandqualityDLowtoxicityEGoodpalatabilityFEasytouse正確答案：ABEF第34題TheprevalenceofparasitesisgeographicallymanifestedtobeASporadicBLocalCSeasonalDNaturalfocal正確答案：BCD第35題Whichofthefollowingisthesourceofparasiticinfection?ACarryinghostBTransmissionvectorCStoragehostDReservoirhost正確答案：ABCD第36題Theconditionsrequiredforparasitestocompletethelifecycleare()AProperhost

BPropertemperatureCWithinfectiousstageDProperinfectionroute正確答案：ACD4.6ChapterTest第1題Thelifecycleoftrematodesgenerallyincludessevenstages,whichareegg,sporocyst,miracidia,(daughterredia),cercariaeandmetacercaria.()第2題Waterisindispensabletothelifeoftrematodes.()第3題Trematodeshavenoepidermis,andtheirbodywalliscomposedofdermo-muscularsacs,withthebodycavitylocatedonthesacs'innerside.()第4題Eurytremaisbrownish-redincolor,andthepathogensincludeEurytremapancreaticum,EurytremacoelomaticumandEurytremacladorchis.()

第5題Chickenscanberaisedforpreventingdicrocoeliasis.()第6題CattleandsheepbecomeinfectedwithEurytremamainlybyingestingplantswithmetacercaria.()第7題HumaninfectionwithFasciolopsisbuskiismainlyrelatedtotheingestionofinfectedpork.()第8題TheinfectionstageofFasciolopsisbuskiismetacercariawhichparasitizesfishandshrimp.()第9題ThepathogenofeurytrematosisincattleismainlyEurytremapancreaticumwhichparasitizestheforestomach.()第10題Theintermediatehostsofdicrocoelidareterrestrialsnailsandants.()第11題Thepathogenofeurytrematosisincattleismainlyfasciolahepaticawhichparasitizesthepancreas.()第12題Alltrematodesarehermaphroditic,withaflatbackandabdomen.()第13題Thelifecycleoftrematodesiscomplex,andadefinitivehostand1-2intermediatehostsarerequiredduringdevelopment.()第14題Fascioliasisisalsoknownasliverflukedisease.()第15題Forinfectionwithfasciolahepatica,whichdrugiseffectivefordewormingbothimagoesandschistosomula?()AAlbendazoleBNitroclofeneCTriclabendazoleDLevamisole第16題Themostsensitiveanimaltoinfectionwithfasciolahepaticais().ACattleBGoatCDogDCat第17題Afterinfectionwithfasciolahepatica,thediseaseusuallyoccursafter(),withclinicalsymptoms.A15daysB1monthC2monthsD3months第18題Thedefinitivehostisinfectedwithfasciolahepaticaofthelarval()stage.ASporocystBMiracidiaCCercariaeDMetacercaria第19題Whichparasitecanbeexaminedbymiracidiahatchingmethod?()ASchistosomajaponicumBFasciolaCClonorchissinensisDAlloftheabove第20題Clonorchissinensisparasitizeson().AIntestineBMusclelayerCSmallvesselsofportalveinDHepaticduct第21題WhichofthefollowingismostlikelytobeinfectedwithClonorchissinensis?()APenetratingactivelyintothehost'sbody.BDrinkingwaterbytheriverCIngestionoffishwithmetacercariaDGrazingbytheriver第22題Thetrematodewithgynecophoralcanalis().AClonorchissinensisBFasciolagiganticaCFasciolahepaticaDSchistosomajaponicum第23題ThereservoirhostofSchistosomajaponicumKatsuradais().ACattleBOncomelaniaCBuffaloDHuman第24題TheintermediatehostofSchistosomajaponicumKatsuradais().ACattleBOncomelaniaCBuffaloDPlanorbid第25題ThefirstchoiceforrepellingSchistosomajaponicumKatsuradais().APraziquantelBNiclosamideCHexachloro-p-xylene(Antischistosomiasispreparation846)DLevamisole第26題Schistosomajaponicummainlyparasitizesthe()ofthedefinitivehost.ALiverBIntestineCSmallvesselsofportalveinDMuscle第27題Trematodesattachtothehostmainlybymeansof().ATailhookBMouthpartsCSuckersDRostellum第28題Dogscanbethedefinitivehostsfor().AFasciolahepaticaBEurytremapancreaticumCClonorchissinensisDDicrocoeliumlanceatum第29題AmongthreespeciesofEurytrema,thedifferencemainlydependsonthesizeoftheoralandventralsuckers.ThesuckersofEurytremapancreaticum,EurytremacoelomaticumandEurytremacladorchisare()insize.AOralsucker=ventralsucker,oralsucker>ventralsucker,andoralsucker<ventralsuckerBOralsucker<ventralsucker,oralsucker=ventralsucker,andoralsucker>ventralsuckerCOralsucker>ventralsucker,oralsucker=ventralsucker,andoralsucker<ventralsuckerDOralsucker>ventralsucker,oralsucker<ventralsucker,andoralsucker=ventralsucker第30題Whichdiseaseiseasilyconfusedwithfascioliasis?()ADicrocoeliasisBEurytrematosisCClonorchissinensisDSchistosomiasisjaponica第31題()ispreparedinto2%suspensionforgavage,whichhasaspecificeffectonthetreatmentofdicrocoeliasis.APraziquantelBAlbendazoleCAntischistosomiasispreparation846(Hexachloro-p-xylene)DHetolin第32題Theinfectionwithswinefasciolopsiasismainlyoccursin()(month).A1-3B3-5C6-9D10-12第33題Eurytremamainlyparasitizes()andiscommonlytreatedby().ASmallintestine,praziquantelBSmallintestine,niclosamideCPancreas,praziquantelDPancreas,niclosamide第34題Fasciolopsisbuskiparasitizes(),with()astheintermediatehost.ASmallintestine,planorbidBLiver,pondsnailCPancreas,fishandshrimpDMesentericveins,oncomelania第35題Fasciolopsiasismainlyoccursin().ACattleandsheepBSwinesCPoultryDDogsandcats第36題Thealternatehostofdicrocoelidis().AEarthwormBAntCGrasshopperDCricket第37題Paragonimusmainlyparasitizes().ALiverBSmallintestineCLungsDPortalvein第38題Prosthogonimiasismainlyaffectsthe()ofchickens.ASmallintestineBFallopiantubeCLiverDBursaofFabricius第39題ThefirstintermediatehostofEurytremapancreaticumis().ATerrestrialsnailBOncomelaniaCCyclopDAnt第40題Whichoneisnotatrematocide?()ABithionolBPraziquantelCAlbendazoleDNitroclofeneEDiminazene正確答案：E第41題TheinfectionstageofSchistosomajaponicumtolivestockandpoultryis().ASporocystBMetacercariaCRediaDCercariae第42題ThesecondintermediatehostofClonorchissinensisis().AFreshwatersnailBCyclopCFreshwaterfishandshrimpDFieldsnail第43題ThemainpathologicalchangeofSchistosomiasisjaponicais().ALivercongestionBProgressiveenlargementofspleenCEggnodulesinliverandintestineDIntestinalbleedingandswelling第44題ThecommonpathologicalchangesobservedinthediagnosisofSchistosomajaponicumKatsuradabyautopsyare().ALivercirrhosisBThickenedrectalwallwitheggnodulesCParasitesinmesentericveinsDThickenedvesselsofportalvein正確答案：ABCD第45題TheinfectiveroutesofSchistosomajaponicumKatsuradaare().AContactinfectionBActivepenetrationintoskinCOralinfectionDTransplacentalinfection正確答案：BCD第46題Whichofthefollowingarezoonoticparasitoses?()AFascioliasisBSchistosomiasisjaponicaCClonorchissinensisDEurytrematosis正確答案：BC第47題TheintermediatehostofClonorchissinensisis().AOncomelaniaBFreshwatersnailCFreshwaterfishDFreshwatershrimp正確答案：BCD第48題Whichofthefollowingparasitosesareendemic?()()AFasciolopsiasisBFascioliasisCEurytrematosisDSchistosomiasisjaponica正確答案：AD第49題Whichofthefollowingparasitescorrespondcorrectlytotheintermediatehostandthedefinitivehost?()ADicrocoeliumlanceatum-pondsnail-ant-cattleandsheepBFasciolahepatica-planorbid-cattleandsheepCEurytremapancreaticum-terrestrialsnail-grasshopper-cattleandsheepDFasciolopsisbuski-planorbid-swine正確答案：C第50題Whichofthefollowingparasiteshaveanalternatehost?()ASchistosomajaponicumBEurytremapancreaticumCFasciolahepaticaDClonorchissinensis正確答案：BD第51題Whichofthefollowingmethodscanbeusedtopreventfasciolopsiasis?()AFeedingfermentedsilageBRegularlycleaningtheswinepenCRaisingchickensintheswinepenDSprinklingpondsandbankswith0.1%limewater正確答案：ABD第52題Theintermediatehostsofparagonimiasisare().AFreshwatersnailBFreshwatercrabCCrayfishDTerrestrialsnail正確答案：ABC第53題Paramphistomummainlyparasitizes()ofthedefinitivehosts().ACattleandsheepBDogsandcatsCLiverDRumen正確答案：AD第54題Whichofthefollowingcanbeparasiticinthehumanbody?()AFasciolopsisbuskiBFasciolahepaticaCClonorchissinensisDParagonimuswestermani正確答案：ACD第55題AcattleinJingzhou,HubeiProvincewasclinicallymanifestedasinappetence,diarrhea,fecescontainingmucus,bloodandevenlumpymucosa,fishystool,tenesmus,prolapse,livercirrhosis,andascites.Theautopsyrevealedoff-whiteorgrayish-yellowsmalleggnoduleswithasizeofavisiblemillettosorghumriceontheliversurface,andeggdepositedintherectum,accompaniedbysmallulcers,scarsandintestinalmucosalhypertrophy.Parasiteswereobservedintheportalveinandmesentericvein,mostlyinastateofcopulation.Thediseaseis().AOrientobilharziasisBSchistosomiasisjaponicaCFascioliasisDDicrocoeliasis第56題SomeswineinaswinefarminAnhuidevelopedprogressiveemaciation,palemucosaandsevereanemia.Theautopsyofthedeadswinerevealedanenlargedliverandgallbladder,andcord-likeprotrusionofhepaticductsontheliversurface,withmassparasitesobservedaftertheliverandbileductswerecutopen.Tocontinuetotakemedicalhistory,weshouldfocuson().AWhethertheswinehaveintimatecontactwithdogsandcatsBWhethertheswinearefedhogwashcontainingfishandshrimpCWhetherantibioticsareusedinlargequantitiesDWhethertheswinereceivedafoot-and-mouthdiseasevaccine?第57題Somesheepinasheepfarmsuddenlygotsickinlateautumnanddiedofunknowncauses.Themostacutelyaffectedsheepdiedsuddenlywithoutanyclinicalsymptoms.However,somecasesshowedinitialsymptomssuchaselevatedbodytemperature,depression,decreasedappetite,abdominaldistension,occasionaldiarrhea,andedemaundertheeyelids,mandible,chestandabdomen,andmostofthemdiedwithinafewdays.Theautopsyrevealedanenlargedliverandparasitesinthesection,whichresultedindilatation,thickening,coarseningandevenblockageofbileducts.Thetreatmentwithsulfonamidesandavermectinwasineffective,whereasthetreatmentwithalbendazoleresultedincontrolofthedisease.Thediseaseismostlikelytobe().ASchistosomiasisjaponicaBOrientobilharziasisCFascioliasishepaticaDCanineclonorchiasis第58題ThesheepraisedbyacattlefarmerinQinghaiProvincebegantofallillinOctober.Theclinicalmanifestationwasmalnutritionofthewholesheepflock,withdirtyfurneartheanus.Theaffectedsheepweredepressed,withdecreasedappetite,lackofexercise,anemiaandemaciation,mandibularedema,palevisualmucosa,andfishystool.Theautopsyrevealedgrayish-yellowsmallnoduleswithasizeofavisiblemillettosorghumriceontheliversurfaceorsection.Thesymptomsintherectumwereparticularlysevere,withulcers,scarsandthickenedintestinalmucosaontheintestinalwall.Thetreatmentofthewholesheepflockwithalbendazoledidnotshowanytherapeuticeffect.However,thetreatmentwithpraziquantelpowderachievedgoodresults.Thediseaseismostlikelytobe()throughclinicaldiagnosis.ASchistosomiasisjaponicaBFasciolahepaticaCDicrocoeliasisDOrientobilharziasis第59題InJuly2003,aswinefarminHubeipurchased316piglets.UptoSeptember,175pigletsshowedinappetence,andalternatingdiarrheaandconstipation.Individualpigletssufferedfromabdominaldistension,abdominalpain,etc.,andanemia,emaciationanddysplasiaforseverecases.Twopigletsdied.Afterinvestigation,itwasfoundthatallswinepenswerebuiltbesideapond,andthefecesweredirectlydischargedintothepondtofeedthefish.Alargenumberofaquaticplantssuchaswaterhyacinthswerealsoplantedinthepond.Accordingtoinformation,theownerdidnotdewormtheswineandoftensalvagedsomefreshwaterhyacinthstofeedtheswinetoreplacesomegreenforage.Accordingtotheepidemiologicalinvestigation,thediseaseismostlikelytobe().AFasciolopsiasisBEurytrematosisCSchistosomiasisjaponicaDCanineclonorchiasis第60題Inagrazingcattleherd,somedevelopeddyspepsia,diarrhea,emaciation,anemiaanddepressionintheearlyspring.Theautopsyrevealedanenlargedliverwithasmoothsurfaceandswollenpancreaswithalargenumberofblacktubularprotrusionsonthesurface.Thediseasemaybe().AFascioliasishepaticaBSchistosomiasisjaponicaCClonorchissinensisDEurytrematosis5.8ChapterTest第1題

Monieziaishazardous,mainlyincattleandsheep,duringmetacestode.()第2題TheadultparasitesofEchinococcusgranulosusparasitizethesmallintestineofrabbits.()第3題TheadultparasitesoftheCerebralcoenurusparasitizethesmallintestineofdogs,cats,andothercarnivores.()第4題Thebodyoftapewormisdividedintoscolex,neck,andsomite,sothebodylengthsofvarioustapewormsaresimilar.()第5題Cysticercuscellulosaemainlyparasitizesthemusclesofswine.()第6題()isthearmedtapewormand()istheunarmedtapeworm.ATaeniasaginata,beeftapewormBTaeniasolium,CysticercuscellulosaeCBeeftapeworm,TaeniasoliumDTaeniasolium,Taeniasaginata第7題Whichofthefollowingparasiteeggscanbedetectedinthefeces?()ATaeniasoliumBCerebralcoenurusCEchinococcusDCysticercuscellulosae第8題Whichonecanbeclinicallydiagnosedbyintracutaneousallergy()ACysticercuscellulosaeBCerebralcoenurosisCTaeniasissoliumDEchinococcosis第9題WhichoneisboththeintermediatehostanddefinitivehostforCysticercuscellulosae?()ASwineBHumanCDogDCattle第10題Whichofthefollowingcanbeclinicallymanifestedasatypical"circling"?()AEchinococcosisBMonesiosisCCerebralcoenurosisDCysticercosiscellulosae第11題H