MOOC Medical Physiology-Wenzhou Medical University 中国大学慕课答案

MOOCMedicalPhysiology-WenzhouMedicalUniversity中国大学慕课答案ExerciseofNervousRegulation1、问题：Thecellthatisspecializedtocommunicatewithothercellsandcontroltheiractivitiesis选项：A、epithelialcellsB、musclecellsC、connectivetissuecellsD、neurons正确答案:【neurons】2、问题：Areflexisdifferentfromahomeostaticcontrolmechanismbecauseareflex选项：A、isnotinitiatedbyachangeintheenvironmentB、willnotalwaysattempttodecreasethemagnitudeoftheoriginalstimulusC、arcdoesnotrequireanintegratingcentertotakeplaceD、isalocalizedresponseinvolvingshortdistancecommunication正确答案:【willnotalwaysattempttodecreasethemagnitudeoftheoriginalstimulus】3、问题：Whichofthefollowingdoesnotbelongtonervousregulation?选项：A、knee-jerkreflexB、receptivereflexC、feedonfanciesD、giveastimulustosciaticnerve,andgastrocnemiuscontract正确答案:【giveastimulustosciaticnerve,andgastrocnemiuscontract】4、问题：Whichofthefollowingisnotcharacteristicofnervousregualtion?选项：A、fastB、shortC、accurateD、slow正确答案:【slow】5、问题：Whichofthefollowingisnotpartofthereflexarc?选项：A、peripheralnerveB、centerC、effectorD、synapse正确答案:【synapse】6、问题：Afterdestroyingthefrog'sspinalcordinareflexarcanalysisexperiment选项：A、reaction,reflecxallexistB、reactionexist,reflexdisappearC、reflexexist,reactiondisappearD、reaction,reflexalldisappear正确答案:【reactionexist,reflexdisappear】ExerciseofHormonalRegulation1、问题：Epinephrinewhichissecretedbytheadrenalmedullaenhancescardiacactivity,theprocessbelongsto选项：A、nervousregulationB、hormonalregulationC、autoregulationD、feedbackregulation正确答案:【hormonalregulation】2、问题：Whichofthefollowinisnotcharacteristicofhormonalregulation?选项：A、fastB、longtimedurationC、slowD、inaccurate正确答案:【fast】3、问题：Whichofthefollowingisnotpatternofhormonalregulation?选项：A、classicendocineB、paracrineC、autocrineD、chemicalsynaptictransmission正确答案:【chemicalsynaptictransmission】ExcerciseofFeedback1、问题：Whichofthefollwingiswrongaboutfeedback?选项：A、Itisanimportantmechanismtoensuretheaccuracyofregulation.B、Allkindsofregulationshavefeedbackeffect.C、Positivefeedbackismoreprominentinregulatingofbodyfunctions.D、Negativefeedbackcankeepcertainphysiologicalfunctionsrelativelystable.正确答案:【Positivefeedbackismoreprominentinregulatingofbodyfunctions.】2、问题：Feedforwardregulationdiffersfromfeed-backregulationinthat选项：A、Theformerisstimulatorywhilethelatterisinhibitory.B、TheformerallowstheCNStoanticipatetheneedforchangesinphysiologicalsetpoints,whereasthelatterdoesnot.C、BoththeformerisstimulatorywhilethelatterisinhibitoryandtheformerallowstheCNStoanticipatetheneedforchangesinphysiologicalsetpoints,whereasthelatterdoesnotarecorrect.D、Onlythelatterisinvolvedinhomeostaticregulation.正确答案:【TheformerallowstheCNStoanticipatetheneedforchangesinphysiologicalsetpoints,whereasthelatterdoesnot.】3、问题：Whichofthefollowingisanegativefeedbackregulation选项：A、micturitionreflexB、bloodcoagulationC、parturitionD、depressorreflex正确答案:【depressorreflex】4、问题：Apositivefeedbackmechanismisaneffectivewayto选项：A、maintainaconstantinternalenvironmentB、bringaboutarapidchangeinthebodyC、detectchangesintheexternalenvironmentD、adapttoanewenvironment正确答案:【bringaboutarapidchangeinthebody】5、问题：Whichofthefollowingreferstoaworkingpointsetbyanautomaticcontrolsystemsothattheactivitiesofthecontrolledpartcanonlybechangedwithinanarrowrange?选项：A、setpointB、equilibriumpotentialC、reflexarcD、medianvalue正确答案:【setpoint】HomeworkofIntroductionTestofIntroduction1、问题：Theabilityofthebodywhichrespondstostimulusiscalled选项：A、reactionB、excitationC、excitabilityD、threshold正确答案:【excitability】2、问题：Themostbasicfeatureoflifeactivitiesis选项：A、substancemetabolismB、energymetabolismC、metabolismD、excitability正确答案:【metabolism】3、问题：Whichofthefollowingisnotapositivefeedback选项：A、depressorreflexB、bloodcoagulationC、micturitionreflexD、childbirth正确答案:【depressorreflex】4、问题：Whichofthefollowingisthebasicactivityofnervousregulation?选项：A、actionpotentialB、excitationC、reflexD、synaptictransmission正确答案:【reflex】5、问题：Theinternalenvironmentofthebodymeans选项：A、tissuefluidB、intracellularfluidC、extracellularfluidD、blood正确答案:【extracellularfluid】6、问题：Themainwaybywhichthebodyregulatesitsactivityis选项：A、feedforwadB、feedbackC、nervousregulationD、hormonalregulation正确答案:【nervousregulation】7、问题：Internalenvironmenthomeostasisrefersto选项：A、ThechemicalcompositionofextracellularfluidremainsrelativelystableB、ThechemicalcompositionofintracellularfluidremainsrelativelystableC、ThecomponentsandphysicochemicalpropertiesofextracellularfluidremainrelativelystableD、Thephysicochemicalpropertiesofthecellsremainrelativelystable正确答案:【Thecomponentsandphysicochemicalpropertiesofextracellularfluidremainrelativelystable】8、问题：Inareflexarc,thecontrolledpartis选项：A、receptorB、effectorC、afferentnerveD、efferentnerve正确答案:【effector】9、问题：Inthereflexarc,whichpartreceivestheinformation?选项：A、receptorB、effectorC、afferentnerveD、efferentnerve正确答案:【receptor】10、问题：Whichofthefollowingiswrongaboutnegativefeedback?选项：A、Itisanimportantmechanismtoensuretheaccuracyofregulation.B、Itdestroyhomeostasis.C、Itcankeepcertainphysiologicalfunctionsrelativelystable.D、Regualtionoftemperaturebelongstoit.正确答案:【Itdestroyhomeostasis.】11、问题：Theminimumstimulusintensitythatcausesthetissuetorespondiscalled选项：A、excitabilityB、thresholdpotentialC、thresholdstimulationD、thresholdintensity正确答案:【thresholdintensity】12、问题：Themaintenanceofphysiologicalhomeostasismainlydependson选项：A、nervousregulationB、hormonalregulationC、positivefeedbackregulationD、negativefeedbackregulation正确答案:【negativefeedbackregulation】13、问题：Thefollowingisnotpartoftheinternalenvironment选项：A、intracellularfluidB、tissuefluidC、plasmaD、lymphaticfluid正确答案:【intracellularfluid】14、问题：Theprocessstimulationoftheefferentnervecausesmuscletocontractbelongsto选项：A、reactionB、reflectionC、positiveFeedbackD、negativeFeedback正确答案:【reaction】15、问题：Whichofthefollowingischaracteristicofnegativefeedback?选项：A、ThefeedbackeffectiscontrarytotheoriginaleffectB、ThefeedbackeffectweakenstheoriginaleffectC、FeedbackinformationweakenstheoriginalcontrolinformationD、Theeffectweakensthefeedback正确答案:【Thefeedbackeffectiscontrarytotheoriginaleffect】16、问题：Excitabilitycanbeevaluatedby选项：A、actionpotentialB、restingpotentialC、thresholdpotentialD、thresholdintensity正确答案:【thresholdintensity】17、问题：Wheninenmergency,secretionofepinephrineandnorepinephrinebelongsto选项：A、neuro-hormonalregulationB、nervousregulationC、hormonalregulationD、autoregualation正确答案:【neuro-hormonalregulation】18、问题：Thephysicalandchemicalpropertiesofthenormalbodyenvironmentarealways选项：A、fixedB、absolutelyconstantC、relativelystableD、random正确答案:【relativelystable】19、问题：Conditionedreflexbelongsto选项：A、autoregulationB、positivefeedbackC、negativefeedbackD、feedforward正确答案:【feedforward】20、问题：Whenthemeanarterialpressurefluctuatesinacertainrange,thestabilizationoftherenalbloodflowbelongsto选项：A、autoregualtionB、negativefeedbackC、positivefeedbackD、feedforward正确答案:【autoregualtion】21、问题：InflowofNa+intheactionpotentialdepolarizationphaseofneronsbelongstopositivefeedback选项：A、正确B、错误正确答案:【正确】22、问题：Urinationanddefecationreflexbelongtonegativefeedback.选项：A、正确B、错误正确答案:【错误】23、问题：Feedforwardcontrolsometimesfails.选项：A、正确B、错误正确答案:【正确】24、问题：Positivefeedbackcanmaintainthehomeostasisofbody.选项：A、正确B、错误正确答案:【错误】25、问题：Preciseeffectisonecharacteristicofhormonalregulation.选项：A、正确B、错误正确答案:【错误】ExerciseofSimpleDiffusion1、问题：Whichofthefollowingbelongstosimplediffusion?选项：A、inflowofCO2B、inflowofO2C、outflowofK+D、outflowofNa+正确答案:【inflowofO2】2、问题：Thewaythatethylalcoholpassesonthroughthecellmembraneis选项：A、simplediffusionB、facilitateddiffusionC、activetransportD、vesicletransport正确答案:【simplediffusion】3、问题：Whichofthefollwingaboutsimplediffusionisincorrect?选项：A、substanceistransportedfromhigherconcentrationtolowerconcentrationB、ItneedsenergyC、Increasingoftemperaturecanpromoteit.D、Itneedsnotanyprotein.正确答案:【Itneedsenergy】4、问题：Thetransportamountofsimplediffusiondependson选项：A、concentrationdifferenceB、energesuppliedC、channelsuppliedD、carriersupplied正确答案:【concentrationdifference】5、问题：Whichofthefollowingcannotbetransportedbysimplediffusion?选项：A、NH3B、O2C、N2D、Na+正确答案:【Na+】ExerciseofFacilitatedDiffusion1、问题：Whichofthefollowingbelongstofacilitateddiffusion?选项：A、inflowofO2B、outflowofCO2C、inflowofNa+inerythrocyteD、releasiongofACh正确答案:【inflowofNa+inerythrocyte】2、问题：Wihchofthefollowingdoesnotbelongtofacilitateddiffusion?选项：A、inflowofglucoseinepithelialcellofsmallintestineB、inflowofNa+incardiaccellC、outflowofK+incardiaccellD、influxofNa+inepithelialcellofproximaltubule正确答案:【inflowofglucoseinepithelialcellofsmallintestine】3、问题：Whichofthefollowingaboutfacilitateddiffusioniswrong?选项：A、Substanceistransportedfromhigherconcentrationtolowerconcentration.B、Itneedstheaidingofprotein.C、Itneedsenerge.D、Itisakindofpassivetransport.正确答案:【Itneedsenerge.】4、问题：Whichofthefollowingisnotastateofsodiumchannel?选项：A、restingB、activeC、inactiveD、halfopen正确答案:【halfopen】5、问题：Whichofthefollowingisnotacharacteristicofcarrier?选项：A、relativeselectivityB、strictlyselectivityC、saturationD、competitiveinhibition正确答案:【relativeselectivity】ExerciseofActiveTransport1、问题：Whichofthefollowingbelongstoprimaryactivetransport?选项：A、inflowofNa+B、inflowofK+C、infowofO2D、releasingofAch正确答案:【inflowofK+】2、问题：Whichofthefollowingbelongstosecondaryactivetransport?选项：A、GlucoseisreabsoredinepithelialcellofproximaltubuleB、H+issecretedbyparietalcellinstomach.C、Caciumisreuptakenbylongitudinalsarcoplasmicreticulum.D、NEisreuptakedbypresynapticmembrane.正确答案:【Glucoseisreabsoredinepithelialcellofproximaltubule】3、问题：Whichofthefollowingdoesnotbelongtoprimaryactivetransport?选项：A、activityofNa+pumpB、activityofNa+-GcotransporterC、activityofH+pumpD、activityofCa+pump正确答案:【activityofNa+-Gcotransporter】4、问题：Whichofthefollowingaboutactivetransportiswrong?选项：A、Substanceistransportedfromhigherconcentrationtolowerconcentration.B、Energeisneeded.C、Proteinisneeded.D、Substanceistransportedfromlowerconcentrationtohigherconcentration.正确答案:【Substanceistransportedfromhigherconcentrationtolowerconcentration.】5、问题：TheprocessIodineisuptakeninthyroidacinarepithelialcellisanactivetransport.选项：A、正确B、错误正确答案:【正确】6、问题：Reabsorptionofglocoseinepithelialcellofproximaltubuleisakindofprimaryactivetransport.选项：A、正确B、错误正确答案:【错误】7、问题：ReleasingofAChfromterminalcisternaisakindofsecondarytransport.选项：A、正确B、错误正确答案:【错误】ExerciseofVesicleTransport1、问题：Whichofthefollowingaboutvesicletransportiswrong?选项：A、Energeisneeded.B、ReleasingofGABAisakindofvesicletransport.C、Theentryofbacteriaintoleukocytesbelongstovesicletransport.D、Becausesubstanceistransportedfromlowerconcentrationtohigherconcentration,energeisneeded.正确答案:【Becausesubstanceistransportedfromlowerconcentrationtohigherconcentration,energeisneeded.】2、问题：Whichofthefollowingdoesnotbelongtovesicletransport?选项：A、releasingofAChB、releasingofptyalaseC、releasingofCa2+fromterminalcisternaD、reuptakingofNE正确答案:【releasingofCa2+fromterminalcisterna】3、问题：Vesiceltransportcanbedividedintoendocytosisandexocytosis.选项：A、正确B、错误正确答案:【正确】4、问题：Endocytosisneedsenerge,andexocytosisdoesnotneed.选项：A、正确B、错误正确答案:【错误】5、问题：Exocytosisdoesnotneedaidingofprotein,andendocytosisneeds.选项：A、正确B、错误正确答案:【错误】ExerciseofRestingPotential1、问题：Theexperimentalvalueoftherestingpotentialis()thanthetheoreticalvalue选项：A、largerB、smallerC、equaltoD、lagerthanorequalto正确答案:【smaller】2、问题：Therestingpotentialofcardiaccellis()thanthanofneuron.选项：A、largerB、smallerC、beequaltoD、smallerthanorbeequalto正确答案:【larger】3、问题：RestingPotentialcanbeapositiveone.选项：A、正确B、错误正确答案:【错误】4、问题：ThemechanismofrestingpotentialofneuronisoutflowofK+.选项：A、正确B、错误正确答案:【正确】5、问题：WhenconcentrationofextracellularK+increase,restingpotentialofcardiaccellwillnotchange.选项：A、正确B、错误正确答案:【错误】ExerciseofActionPotential1、问题：DepolarizationofAPinneuronisdueto选项：A、inflowofK+B、inflowofCa2+C、outflowofK+D、inflowofNa+正确答案:【inflowofNa+】2、问题：RepolarizationofAPinneuronbelongsto选项：A、simplediffusionB、facilitateddifussionviachannelC、facilitateddifussionviacarrierD、primaryactivetransport正确答案:【facilitateddifussionviachannel】3、问题：Whichofthefollowingis“allornone”?选项：A、restingpotentialB、localpotentialC、endplatepotentialD、actionpotential正确答案:【actionpotential】4、问题：Whichofthefollowingaboutactionpotentialiswrong?选项：A、allornoneB、unattenuatedpotentialC、hasrefractoryperiodD、stimulusdependence正确答案:【stimulusdependence】5、问题：Astheconductiondistanceincreases,theamplitudeoftheactionpotential选项：A、increasesB、decreasesC、doesnotchangeD、increases,butlaterdecreases正确答案:【decreases】6、问题：Astheintensityofthestimulusincreases,theamplitudeoftheactionpotentialonthenervefibers选项：A、increasesB、decreasesC、doesnotchangeD、increase,butdecreaseslater正确答案:【doesnotchange】7、问题：InflowofNa+indepolarizationofAPis选项：A、negativefeedbackB、positivefeedbackC、feedforwardD、nervousregualation正确答案:【positivefeedback】8、问题：Youcancertainlyinduceactionpotentialbygivingathresholdstimulus.选项：A、正确B、错误正确答案:【错误】HomeworkofBasicFunctionofCell-1TestofBasicFunctionofCell-11、问题：Whichofthefollowingcannotbetransportedbysimplediffusion?选项：A、aminoacidsB、steroidhormonesC、ureaD、ethanol正确答案:【aminoacids】2、问题：Trans-membranetransportofglucosealongtheconcentrationgradientdependson选项：A、lipidbiomoleculeB、gapjunctionC、carrierproteinD、sodiumpump正确答案:【carrierprotein】3、问题：O2andCO2enterandexitcellsinthebodythrough选项：A、simplediffusionB、facilitateddiffusionC、activetransportD、endocytosis正确答案:【simplediffusion】4、问题：TheformationandmaintenanceofthenormalNa+andK+concentrationdifferenceinsideandoutsidethecellmembraneisdueto选项：A、ThemembraneismorepermeabletoK+inrestingstate.B、ThemembraneismorepermeabletoNa+inexcitingstate.C、ResultsofNa+andK+facilitationanddiffusionD、TheroleofNa+-K+pumponthemembrane正确答案:【TheroleofNa+-K+pumponthemembrane】5、问题：Underquietconditions,thecellmembraneismorepermeabletowhichions选项：A、Na+B、K+C、Ca2+D、Cl-正确答案:【K+】6、问题：Theindexusuallyusedtomeasurethelevelofexcitementofanorganizationis选项：A、thresholdpotentialB、thresholdintensityC、stimulusintensitychangerateD、frequencyofstimulation正确答案:【thresholdintensity】7、问题：Duringtheabsoluterefractoryperiod,theexcitementoftheorganizationis选项：A、zeroB、infiniteC、lessthannormalD、greaterthannormal正确答案:【zero】8、问题：Thecommonperformanceofexcitablecellswhentheyareexcitedistoproduce选项：A、contractileactivityB、secretoryactivityC、restingpotentialD、actionpotential正确答案:【actionpotential】9、问题：Theprocessnervefibermembranepotentialchangesfrom+30mVto-70mVisreferredto选项：A、hyperpolarizationB、depolarizationC、repolarizationD、overshoot正确答案:【repolarization】10、问题：Theprocessthatskeletalmusclecellmembranepotentialchangesfrom-80mVto-30mViscalled选项：A、hyperpolarizationB、depolarizationC、repolarizationD、overshoot正确答案:【depolarization】11、问题：Theprocessorstateinwhichtherestingpotentialincreases(eg,theintracellularpotentialchangesfrom-70mVto-90mV)iscalled选项：A、hyperpolarizationB、depolarizationC、repolarizationD、overshoot正确答案:【hyperpolarization】12、问题：Whatiswrongaboutrestingpotential?选项：A、CausedbyK+outflow,isequivalenttoK+equilibriumpotentialB、TheinternalpotentialofmembraneismorenegativethanexternalpotentialofmembraneC、Non-gatedpotassiumleakagechannelsplayamajorroleD、Therestingpotentialsofvariouscellsareequal正确答案:【Therestingpotentialsofvariouscellsareequal】13、问题：ArtificiallyincreasingtheconcentrationofK+intheisolatednervefiberbathwillmaketheabsolutevalueofrestingpotential选项：A、nochangeB、decreaseC、increaseD、decreasefirstandthenincrease正确答案:【decrease】14、问题：Whichofthefollowingdescriptionaboutneuronactionpotentialiscorrect?选项：A、AlargeamountofNa+outflowmakesapositivepotentialoutsidethemembraneandanegativepotentialinsidethemembraneB、TheconcentrationofNa+inthecellishigherthanthatoutsideofthecellC、Whenthecellsarestimulatedandexcited,Na+channelsopentocauseNa+outflowD、TheNa+channelisinactivated,theK+channelisfurtheropened,andtheactionpotentialnaturallydrops.正确答案:【TheNa+channelisinactivated,theK+channelisfurtheropened,andtheactionpotentialnaturallydrops.】15、问题：Themainpartofneuronactionpotentialis选项：A、thresholdpotentialB、spikepotentialC、localpotentialD、negativeposteriorpotential正确答案:【spikepotential】16、问题：Theorderofperiodicchangesinexcitabilityofneuronsafterreceivingasupra-thresholdstimulationis选项：A、Relativerefractoryperiod-absoluterefractoryperiod-supernormalperiod-lownormalperiodB、Relativerefractoryperiod-lownormalperiod-absoluterefractoryperiod-extraordinaryperiodC、Absoluterefractoryperiod-relativerefractoryperiod-superlong-term-lownormalperiodD、Lownormalperiod-absoluterefractoryperiod-relativerefractoryperiod-supernormalperiod正确答案:【Absoluterefractoryperiod-relativerefractoryperiod-superlong-term-lownormalperiod】17、问题：Whichofthefollowingdescriptionabouttheactionpotentialofexcitablecellsiscorrect?选项：A、Actionpotentialisarapidandirreversiblepotentialchangethatoccurswhencellsarestimulated.B、Inthedepolarizationphaseoftheactionpotential,themembranepotentialchangesfrominsidepositivetoinsidenegative.C、TheactionpotentialrepolarizationphaseisrelatedtotheopeningoftheNa+channelandhasnothingtodowiththeK+ionchannel.D、Theamplitudeoftheactionpotentialdoesnotchangewiththestimulationintensityandconductiondistance.正确答案:【Theamplitudeoftheactionpotentialdoesnotchangewiththestimulationintensityandconductiondistance.】18、问题：Whichofthefollowingiswrongaboutthenarrativeconductionofthesamecell?选项：A、Actionpotentialcanbeconductedalongthecellmembranetotheentirecell.B、Theconductionmodeistostimulatetheunexcitedpartsbygeneratinglocalcurrents,sothatactionpotentialsalsoappear.C、Myelinfibersconductactionpotentialfasterthannon-myelinfibers.D、Theamplitudeoftheactionpotentialdecreasesastheconductiondistanceincreases.正确答案:【Theamplitudeoftheactionpotentialdecreasesastheconductiondistanceincreases.】19、问题：Whenthestimulationintensityislowerthanthethresholdintensity,stimulationonexcitabletissuewill选项：A、doesnotcauseanyreactionsB、producelocalreactionsC、causeconductiveactionpotentialD、produceactionpotentialandattenuatedconduction正确答案:【producelocalreactions】20、问题：Whichofthefollowingisnotcharacteristicoffacilitateddiffusionviacarrier?选项：A、structurespecificityB、saturationC、competitiveinhibitionD、notdependentonmembraneproteins正确答案:【notdependentonmembraneproteins】21、问题：Actionpotentiancanbesuperimposedoveroneanother.选项：A、正确B、错误正确答案:【错误】22、问题：Inrestingstate,concentrationofNa+inextracellelarfluidishigherthanthatintheintracellularfluid.选项：A、正确B、错误正确答案:【正确】23、问题：TheformationofrestingpotentialismainlyduetoK+outflow.选项：A、正确B、错误正确答案:【正确】24、问题：DepolarizationofactionpotentialiscausedbyK+inflow.选项：A、正确B、错误正确答案:【错误】25、问题：AbsorptionofGlucoseinepitheliacellinsmallintestineissimplediffusion.选项：A、正确B、错误正确答案:【错误】ExerciseofNeuromuscularTransmission1、问题：WhichofthefollwingwillhappenonprejunctionalmembranewhenAParrives?选项：A、inflowofNa+B、inflowofCa+C、inflowofMg+D、outflowofK+正确答案:【inflowofCa+】2、问题：Initiationofanactionpotentialinskeletalmusclebystimulatingitsmotornerve选项：A、requiresspatialfacilitationB、requiresthereleaseofacetylcholineC、requirestemporalfacilitationD、requiresthereleaseofNE正确答案:【requiresthereleaseofacetylcholine】3、问题：Na+channelonendplatemembraneisan()oinchannel选项：A、voltage-gatedB、chemically-gatedC、mechanically-gatedD、non-gated正确答案:【chemically-gated】4、问题：ReleasingofAChfromprejunctionalmembraneisdrivenby选项：A、inflowofCa2+B、inflowofK+C、inflowofCl-D、outflowofK+正确答案:【inflowofCa2+】5、问题：AChcanbedecomposedby选项：A、cholinesteraseB、monoamineoxidaseC、peroxidaseD、phospholipase正确答案:【cholinesterase】6、问题：Actionpotentialcanbeproducedonendplaremembrane.选项：A、正确B、错误正确答案:【错误】ExerciseofExcitation-ContractionCoupling1、问题：Ca2+pumpsthatreuptakingCa2+fromcytoplasmaremainlydistributedin选项：A、JSR(junctionalsarcoplasmicreticulum)B、LSR(longitudinalsarcoplasmicreticulum)C、membraneofTtubeD、membraneofmusclecell正确答案:【LSR(longitudinalsarcoplasmicreticulum)】2、问题：Thetreminalcisterninskeletalmusclecellseventuallyreleasecalciumionsthrough选项：A、L-calciumchannelB、T-calciumchannelC、RYR(raynodinreceptor)D、Ca2+pump正确答案:【RYR(raynodinreceptor)】3、问题：Thekeyioninskeletalmuscleexcitationcontractioncouplingis选项：A、Na+B、Ca2+C、K+D、Cl-正确答案:【Ca2+】4、问题：Thereleasingofcalciumionsintheterminalcisternofskeletalmusclecellsdependsonextracellularcalciuminflow选项：A、正确B、错误正确答案:【错误】ExerciseofMyofilamentSliding1、问题：Whenskeletalmusclecellsareresting,thesubstancethatpreventsthetransversebridgefrombindingtoactinis选项：A、myosinB、tropomyosinC、troponinD、actin正确答案:【tropomyosin】2、问题：Whichofthefollowingcancombinewithcalcium?选项：A、troponinB、myosinC、tropomyosinD、actin正确答案:【troponin】3、问题：Whichofthefollowingionscantriggermyofilamentsliding?选项：A、Ca2+B、K+C、Na+D、Cl-正确答案:【Ca2+】4、问题：IntheprocessofmyofilamentSliding,thelengthofthickandthinmyofilamentareshortened.选项：A、正确B、错误正确答案:【错误】HomeworkofBassicFunctionofCell-2TestofBassicFunctionofCell-21、问题：Whenthenerveimpulsereachesthemotornerveterminal,itcancause()ontheanteriormembraneofthejoint选项：A、Na+channelcloseB、Ca2+channelopenC、K+channelopenD、Cl-channelopen正确答案:【Ca2+channelopen】2、问题：Whenacetylcholinebindstothetwoα-subunitsoftheN2typecholinergicreceptorontheendplatemembrane,whathappenstotheendplatemembrane?选项：A、IncreasedpermeabilitytoNa+andK+,hyperpolarizationoccursB、IncreasedpermeabilitytoNa+andK+anddepolarizationoccursC、PermeabilityincreasesonlyforK+,hyperpolarizationoccursD、PermeabilityincreasesonlyforCa2+,depolarizationoccurs正确答案:【IncreasedpermeabilitytoNa+andK+anddepolarizationoccurs】3、问题：endplatepotential(EPP)选项：A、TherearedepolarizationandhyperpolarizationB、TheamplitudeisrelatedtotheamountofAChreleasedbymotornervesC、ItistheresultofCa2+inflowontheendplatemembraneD、ThemembranehasgreaterpermeabilitytoK+whenexcited正确答案:【TheamplitudeisrelatedtotheamountofAChreleasedbymotornerves】4、问题：Theenzymethateliminatesacetylcholineintheneuromuscularjunctiongapis选项：A、ATPaseB、monoamineoxidaseC、phosphodiesteraseD、cholinesterase正确答案:【cholinesterase】5、问题：Thetransmitterofneuromusculartransmissionis选项：A、AChB、norepinephrineC、5-HTD、dopamine正确答案:【ACh】6、问题：Themechanismofskeletalmusclecontractionis选项：A、SlipperymusclefilamentsslidebetweenthickmusclefilamentsB、SlipperymusclefilamentsslidebetweenthinmusclefilamentsC、BoththickandthinmusclefilamentsareshortenedD、Thelengthofsarcomereisunchanged正确答案:【Slipperymusclefilamentsslidebetweenthickmusclefilaments】7、问题：Theinitiallengthofmuscledependson选项：A、passivetensionB、preloadC、afterloadD、Sumofpreloadandafterload正确答案:【preload】8、问题：Whenthemusclecontracts,thesmallertheafterload选项：A、ThegreaterthecontractiontensionB、ThelaterthecontractionbeginsC、TheshortertheshortenedlengthD、Thegreatertheshorteningspeed正确答案:【Thegreatertheshorteningspeed】9、问题：Successivestimulifallwithinthediastolicperiodofthepreviouscontraction,andtheresultingcompoundcontractioniscalled选项：A、singlecontractionB、incompletetetanusC、completetetanusD、isometriccontraction正确答案:【incompletetetanus】10、问题：Whichofthefollowingcanrelaxmuscles?选项：A、activateCa2+channelsofnerveendingsB、promoteAChreleaseofnerveendingsC、activateAChreceptor-gatedchannelontheendplatemembraneD、activatecholinesteraseinthegapofthelinker正确答案:【activatecholinesteraseinthegapofthelinker】11、问题：Whichofthefollowingisthekeyfactorinexcitationcontractioncoupling?选项：A、K+B、Na+C、Ca2+D、Mg2+正确答案:【Ca2+】12、问题：Underphysiologicalconditions,thecontractionofskeletalmusclesinthebodyismainly选项：A、singlecontractionB、completetetanusC、isotoniccontractionD、incompletetetanus正确答案:【completetetanus】13、问题：Completetetanusofskeletalmuscleisdueto选项：A、ThesumofconsecutivesubthresholdstimuliB、RecombinationofactionpotentialsoccurringduringsystoleC、RecombinationofactionpotentialsoccurringduringdiastoleD、Singlecontractioncomplexthatoccursduringcontraction正确答案:【Singlecontractioncomplexthatoccursduringcontraction】14、问题：Thesarcomerelengthcorrespondingtotheoptimalinitiallengthofskeletalmuscleis选项：A、0.75～1.0μmB、1.0～1.5μmC、1.5～2.0μmD、2.0～2.2μm正确答案:【2.0～2.2μm】15、问题：Whichofthefollowingisnotcharacteristicofneuromusculartransmission?选项：A、ThetransmitterisAChB、ThereistimedelayC、One-wayD、AChismostlytakenupandreusedbyaxonterminals正确答案:【AChismostlytakenupandreusedbyaxonterminals】16、问题：Excitationcontractioncouplingofskeletalmuscledoesnotinclude选项：A、ElectricalexcitementspreadsdeepintothemusclecellsthroughthetransversetubesystemB、ThetransmissionofinformationfromthetribbleleadstothereleaseofCa2+fromtheterminalpoolC、Ca2+insarcoplasmbindstotroponinD、activationofCa2+pump正确答案:【Ca2+insarcoplasmbindstotroponin】17、问题：Inclinicalpatientswithmyastheniagravis,whichpartoftheneuromuscularjunctionisdestroyedbyautoantibodiesproducedintheblood?选项：A、AChreceptorB、calciumchanneloftheanteriormembraneofthejunctionC、anteriormembraneofthejunctionD、cholinesterase正确答案:【AChreceptor】18、问题：Whentheintervalofcontinuousstimulationisgreaterthanthesystolicperiodandlesst