注：不含主觀題第1題單選題(1分)ThephysicalandchemicalpropertiesofthenormalbodyenvironmentarealwaysintherangeofAfixedBrandomCabsolutelyconstantDrelativelystableEdrasticfluctuations第2題單選題(1分)ThemostactivepartoffluidsfromallpartsofthebodyisAICFBtissuefluidCplasmaDlymphaticECSF第3題單選題(1分)TheinternalenvironmentoftheorganismisAintracellularfluidBextracellularfluidCintracellularspaceDinterstitialspaceEblood第4題單選題(1分)ConditionedreflexbelongstoApositivefeedbackregulatingBnegativefeedbackregulatingCautoregulationDfeedforwardcontrolEnoneofaboveistrue第5題單選題(1分)ThebasicwayofNeuromodulationisAreflectionBreflectedfeedbackCfeedforwardDpositivefeedbackEnegativefeedback第6題單選題(1分)Whenthebodyisinastateofemergency,secretionofepinephrineandnorepinephrinebelongstoAsystemichumoralregulationBlocalhumoralregulationCneuromodulationDautoregulationEneuro-humoralregulation正確答案：E第7題單選題(1分)()belongstopositivefeedbackregulationAbloodcoagulationBantihypertensivereflexCtemperatureregulationDregulationofgastricacidityongastrichydrochloricacidsecretionEregulationofbloodcalciumconcentrationonPTHsecretion第8題單選題(1分)Increasedinsulinsecretionaftermealscontributestothestabilizationofbloodsugarlevels,

andthisformofhormonalactionbelongstoAautocrineBhormonetelepathicCparacrineDneurosecretoryEautoregulation第9題單選題(1分)FeedonfanciesbelongstoA

conditionedreflexesB

humoralregulationCunconditionedreflexesDautoregulation第10題單選題(1分)Whenthemeanarterialpressurefluctuatesinacertainrange,thestabilizationoftherenalbloodflowbelongstoAconditionedreflexesBhumoralregulationCunconditionedreflexesDautoregulation第11題單選題(1分)InsulinsecretedbyBcellswhichistolowerbloodsugarbelongstoA

conditionedreflexesBhumoralregulationCunconditionedreflexesDautoregulation第12題多選題(2分)ThecharacteristicofneuromodulationisthatArapidreactionspeedBaccuraterangeofactionCshortdurationofaction;Dthemostimportantregulationmodeofthebody正確答案：ABCD第13題多選題(2分)ThecharacteristicofhumoralregulationisthatAslowspeedBlongdurationCpreciseeffectDwiderangeofeffects正確答案：ABD第14題多選題(2分)ThecharacteristicsofnegativefeedbackregulationareArepeatedinaclosedloopBfluctuatedCrepeataroundasetpointDmaintainbodyhomeostasis正確答案：ABCD第15題多選題(2分)ThecharacteristicsofpositivefeedbackregulationareAproducesA"snowball"effectBusuallyworkslocallyandintheshorttermCThereisnoefficacyincorrectingdeviations.Dpathologicalconditionsoftenleadtoaviciouscircle正確答案：ABCD第16題多選題(2分)WhichofthefollowingphysiologicalfunctionsbelongtonegativefeedbackcontrolATheriseofbloodsugarcausesthesecretionofinsulin.BExcessivegastricacidinhibitsthesecretionofgastricjuiceCIodinedeficiencyleadstogoiter.DIncreasedaldosteroneleadstodecreasedbloodK+正確答案：ABC第17題多選題(2分)WhichofthefollowingphysiologicalprocesseshaspositivefeedbackregulationAurinationanddefecationreflexBNa+flowintheactionpotentialdepolarizationphaseofnervecellsCbloodcoagulationprocessDdeliveryprocess正確答案：ABCD第18題多選題(2分)WhichofthefollowingstatementsaboutfeedforwardiscorrectAfeedforwardispredictiveBfeedforwardcontrolsometimesfailsCfeedforwardhasthecharacteristicsofhysteresisandfluctuationDfeedforwardinformationreachesthecontrolpartbeforethefeedbackinformation正確答案：ABD章節(jié)測(cè)試第1題單選題(1分)TheindexusuallyusedtomeasurethelevelofexcitementofanorganizationisAThresholdpotentialBTimevalueCThresholdintensityDStimulusintensitychangerateEFrequencyofstimulation第2題單選題(1分)Theprocessofskeletalmusclecellmembranepotentialchangingfrom-80mVto-30mViscalledAHyperpolarizationBDepolarizationCRepolarizationDDepolarizationEOvershoot第3題單選題(1分)Underquietconditions,thecellmembraneismorepermeabletowhichions()AK+BNa+CCa2+DCl-EH+第4題單選題(1分)WhentheK+equilibriumpotentialisreached,thecellmembrane()ATheK+concentrationgradientonbothsidesiszeroBTheK+concentrationontheoutsideishigherthantheinsideofthemembraneCThepotentialgradientonbothsidesiszeroDThenetoutflowofK+iszeroEThepotentialinsidethemembraneisrelativelypositivecomparedtotheoutsideofthemembrane第5題單選題(1分)Thedescriptionoftheprincipleofneuronactionpotentialiscorrect()ATheconcentrationofNa+insidethecellishigherthanthatoutsidethemembraneBWhenthecellsarestimulatedandexcited,Na+channelsopentocauseNa+outflowCAlargeamountofNa+outflowmakesapositivepotentialoutsidethemembraneandanegativepotentialinsidethemembraneDWhentheequilibriumpotentialofNa+isreached,theoutflowofNa+stopsETheNa+channelisinactivated,theK+channelisfurtheropened,andtheactionpotentialnaturallydrops.正確答案：E第6題單選題(1分)Themainpartofnervecellactionpotentialis()AThresholdpotentialBSpikepotentialCLocalpotentialDNegativeposteriorpotentialEPositiveposteriorpotential第7題單選題(1分)Whenexcitedthroughtheneuro-skeletalmusclejunction,acetylcholinebindstothetwoα-subunitsoftheN2typecholinergicreceptorontheendplatemembrane,makingtheendplatemembrane()AIncreasedpermeabilitytoNa+andK+,hyperpolarizationoccursBIncreasedpermeabilitytoNa+andK+anddepolarizationoccursCPermeabilityincreasesonlyforK+,hyperpolarizationoccursDPermeabilityincreasesonlyforCa2+,depolarizationoccursEAcetylcholinepermeabilityincreases,hyperpolarizationoccurs第8題單選題(1分)Thebasicstructuralandcontractilefunctionalunitsinskeletalmusclecellsare()AMyofibrilBMyocelesCMusclefiberDThickmusclefilamentEThinmusclefilament第9題單選題(1分)Theblockingagentthatcanblocktheexcitatorytransmissionatthenerve-musclejunctionis()AAmericandartpoisonBpufferfishpoisonCtetraethylammoniumDatropineEverapamil第10題單選題(1分)Regardingthecharacteristicsoflocalpotential,whichofthefollowingiswrong?()AThemagnitudeofthepotentialchangeswiththeintensityofthestimulusBcanbesummedCnorefractoryperiodDallornonephenomenaESpreadingintheformofelectrictension第11題單選題(1分)ThesarcomerelengthcorrespondingtotheoptimalinitiallengthofskeletalmuscleisA0.75～1.0μmB1.0

～

1.5μmC1.5

～

2.0μmD2.0

～

2.2μmE2.5μmormore第12題單選題(1分)Whenlowtemperature,hypoxiaormetabolicinhibitorsaffecttheNa+-K+pumpactivityofcells,itwillcause()ATherestingpotentialincreasesandtheamplitudeoftheactionpotentialdecreasesBTherestingpotentialdecreasesandtheamplitudeoftheactionpotentialincreasesCTherestingpotentialincreasesandtheamplitudeoftheactionpotentialincreasesDTherestingpotentialdecreasesandtheamplitudeoftheactionpotentialdecreasesENeitherrestingpotentialnoractionpotentialisaffectedQuestiontypeB第13題單選題(1分)Renaltubulereabsorptionofaminoacidsbelongsto()ASimplediffusionBFacilitatediffusionCPrimaryactivetransshipmentDExocytosisESecondaryactivetransit正確答案：E第14題單選題(1分)GastricmucosalwallcellssecreteH+()ASimplediffusionBFacilitatediffusionCPrimaryactivetransshipmentDExocytosisESecondaryactivetransit第15題單選題(1分)Onthebasisofrestingpotential,thenegativevalueofmembranepotentialincreases,whichiscalled()APolarizationBDepolarizationCRepolarizationDHyperpolarizationEDepolarization第16題單選題(1分)Theformationofrestingpotentialismainlydueto()AK+inflowBCl-inflowCNa+inflowDK+outflowECa2+influx第17題單選題(1分)Excitementistransmittedthroughunmyelinatednervefibers()ALocalcurrentBJumpconductionCChemicaltransmissionDElectrictensionspreadEElectro-chemicaltransfer第18題單選題(1分)Whentheintervalofcontinuousstimulationisgreaterthanthesystolicperiodandlessthanthesinglecontractionwhichofthefollowingwillappear()AAsinglecontractionBAseriesofsinglecontractionsCIncompleterigiditycontractionDCompletetoniccontractionENocontractionresponse第19題單選題(1分)Therepolarizationphaseoftheactionpotentialofnervecells,theactivityoftheelectrogenicsodiumpumpcancausethemembranetotemporarilyhyperpolarize()ASpikeBThresholdpotentialCLocalexcitementDPost-depolarizationpotential(negativepost-potential)EPost-hyperpolarizationpotential(positivepost-potential)正確答案：E第20題單選題(1分)Thebasicconditionforexcitementcausedbystimulationistodepolarizethemembranepotential()ASpikeBThresholdpotentialCLocalexcitementDPost-depolarizationpotential(negativepost-potential)EPost-hyperpolarizationpotential(positivepost-potential)章節(jié)測(cè)試第1題單選題(1分)Thebody'sintracellularfluidisusuallyidenticaltothetissuefluid()ANa+concentrationBK+concentrationCCl-concentrationDcolloidosmoticpressureEtotalosmoticpressure正確答案：E第2題單選題(1分)Thefluidvolumeandbloodvolumeofahealthyadultweighing50Kgarerespectively()A30Land2.5LB25Land2.5LC30Land4LD25Land3LE20Land4L第3題單選題(1分)Thespecificgravityofwholebloodismainlydeterminedby()AplasmaproteincontentBosmoticpressureCredbloodcellcountDwhitebloodcellcountENaClconcentration第4題單選題(1分)Whichofthefollowingisnotaphysiologicalfunctionofplasmaproteins()AtransportO2andCO2BbufferfunctionCparticipateinphysiologicalhemostasisDparticipateintheimmunefunctionofthebodyEmaintainplasmacolloidosmoticpressure第5題單選題(1分)Plasmacrystalosmoticpressuremainlycomesfrom()AinorganicsaltsBglucoseCalbuminDNa+andCl-Efibrinogen第6題單選題(1分)ThehighK+concentrationinplasmastoredatlowtemperatureforalongtimeisdueto()AhemolysisBsenescenceCerythrocytosisDlowglucosesupply.ENa+-K+pumpactivitydecreasedordisappeared正確答案：E第7題單選題(1分)Themainfunctionofredbloodcellsis()AregulatebodytemperatureBtransporthormonesCtransportO2andCO2DmakebloodredEsupplyiron第8題單選題(1分)Adecreaseintheratiooferythrocytesurfaceareatovolumemaycauseerythrocytes()AIncreaseindeformationBIncreaseinosmoticbrittlenessCIncreaseinsuspensionstabilityDdecreasedsedimentationrateEincreasedhemoglobincontent第9題單選題(1分)Thecauseofmegaloblasticanemiainapatientaftermajorgastricresectionwastheimpairmentofabsorptionofthesubstance()AproteinBfolicacidCvitaminB12Dfate.iron第10題單選題(1分)AspirininhibitsplateletaggregationandACTSmainlyon()AphospholipaseA2BthrombinsynthaseCthrombinDcyclooxygenaseEprostacyclinesynthase第11題單選題(1分)Thrombocytopeniacausesplateletaggregationdisordersdueto()AGPIb/IX/VanomalyBvWFdeficiencyCGPIIb/IIIaanomalyDfibrinogendeficiencyECa2+deficiency第12題單選題(1分)Thecommonpathwayofendogenousandexogenouscoagulationpathwaysbegins()AVBFVIIICFIXDFXEFXI第13題單選題(1分)Thereasonwhythyroidsurgeryispronetobleedingisthatthethyroidglandcontainsmore()AplasmaactivatorBtissueactivatorCfibrinolyticenzymeDanti-fibrinolyticenzymeEfibrindegradationproduct第14題單選題(1分)Whenredbloodcellscanonlybeagglutinatedbystandardanti-bserum,theirbloodtypeis()AOtypeBAtypeCBtypeDABtypeEUnabletodetermine第15題多選題(2分)Theroleofplateletsinphysiologicalhemostasisis()AProvidephospholipidsurfaceforclottingfactors;BReleasefibrinogenCReleaseofvasoconstrictingsubstancesandvasoconstrictionDAdhesionandaggregationtoformplateletthrombus正確答案：ABCD第16題多選題(2分)Whenthesmallbloodvesselsofnormalpeoplearedamaged,physiologichemostasisisrealizedthroughthefollowingprocesses()APlateletadhesiontothedamagedbloodvesselBPlateletaggregationtoformplateletthrombusCSmallbloodvesselsareconstrictedbyplateletsthatreleaseserotoninDformabloodclot正確答案：ABCD第17題多選題(2分)Thereasonwhynormalblooddoesnotclotinthebloodvesselsisthat()AfastbloodflowBsmoothandcompletevascularintimaCfunctionoffibrinolysissystemDpresenceofnaturalanticoagulants正確答案：ABCD第18題多選題(2分)Invitro,therearefactorsthatdelaycoagulationoranticoagulation()AaddheparintothebloodBaddpotassiumoxalateorammoniumoxalatetothebloodCaddwarfarintothebloodDcooldownappropriately正確答案：ABCD第19題多選題(2分)Therearewaystoacceleratebloodclotting()AVitaminKinjectionbeforesurgeryBHeparininjectionCapplywarmsalinegauzetostopbleedingduringsurgeryDincreasingtheconcentrationofCa2+intheblood正確答案：ACD第20題多選題(2分)Whichofthefollowingconditionscanacceleratebloodsedimentation()ARedbloodcellsofpatientswithacceleratedsedimentationwereimplantedintonormalplasmaBIncreasedfibrinogeninthebloodCincreasedalbumininthebloodDincreasedglobulinintheblood正確答案：BD章節(jié)測(cè)試第1題單選題(1分)Inwhichoneofthefollowingperiods,ventricularpressureincreasefastest?()ArapidfillingperiodBrapidejectionperiodCisovolumiccontractionperiodDreducedejectionphaseEdecreasedfillingphase第2題單選題(1分)Whenheartrateislessthan40beats/min,thecardiacoutputdecreased.Thisisdueto()AreducedmyocardialcontractilityBinadequatecardiacreliefCinadequateventricularfillingDventricularfillingisclosetothelimitEejectionreduction第3題單選題(1分)Aorticvalveclosurebeginsat()AatthebeginningofisovolumiccontractionphaseBatthebeginningofisovolumicrelaxationphaseCattheendofisovolumicrelaxationphaseDatthebeginningofrapidfillingphaseEatthebeginningofrapidejection第4題單選題(1分)Thefirstcardiacsoundismainlyproducedby()Aatrialcontraction,openingofatrioventricularvalveBVibrationcausedbyventricularrelaxationCVentricularcontractionandatrioventricularvalveclosurecausevibrationofventricularbloodandventricularwallDVibrationcausedbytheclosureofthearterialvalveduringrelaxationofventriclesEVibrationcausedbybloodimpingingontheaorticvalve第5題單選題(1分)Thecardiacindexisequalto()AStrokeoutputbodysurfaceareaBStrokeoutput/bodysurfaceareaCcardiacoutputbodysurfaceareaD(heartratebodysurfacearea)/cardiacoutputE(heartratestrokevolume)/bodysurfacearea正確答案：E第6題單選題(1分)Ectopicautoregulationregulatesthepumpingfunctionoftheheartbychanging()AaveragearterialpressureBheartratereserveCheartreserveDventricularend-systolicvolumeEventricularend-diastolicvolume正確答案：E第7題單選題(1分)Thecardiacfunctioncurveofpatientswithheartfailureislocatedin______ofthenormalcardiacfunctioncurve()AlowerleftBupperleftCleftDrightElowerright正確答案：E第8題單選題(1分)Theplateauofventricularmyocyteactionpotentialistheresultof_____transmembraneflow()ANa+inflow,Cl-outflowBNa+inflow,Ca2+outflowCc2+inflow,K+outflowDK+inflow,Ca2+outflowENa+inflow,Cl-inflow第9題單選題(1分)Thereasonforthecompensationlullafterpretermcontractionisthat()AdelayedreleaseofrhythmicexcitationinthesinoatrialnodeBTherhythmicexcitabilityofthesinoatrialnodeislessthanonceCTherateofrhythmicexcitatoryeffluxofthesinoatrialnodeisgreatlysloweddownDTheeffectiverefractoryperiodofpretermcontractionisparticularlylongEArhythmicexcitationofthesinoatrialnodefallswithintheeffectivedurationoftheprephasicexcitation正確答案：E第10題單選題(1分)Whenthemembranepotentialofventricularmyocytesdepolarizedfromrestingleveltothresholdpotentiallevel,theNa+channelwasat()ArestingstateBstandbystateCactivatedstateDinactivatedstateEnoneoftheabove第11題單選題(1分)Thefactorthatcanreducemyocardialexcitabilityis()ATheabsolutevalueofrestingpotentialincreases;BTheabsolutevalueofrestingpotentialdecreasesCTheabsolutevalueofthresholdpotentialincreases.DNa+channelisinthestandbystateEIncreasedbloodpotassiumconcentration第12題單選題(1分)Patientswithrightheartfailureareoftenaccompaniedby()AdecreasedjugularpressureBincreasedcentralvenouspressureCpulmonaryedemaDincreasedvenousreturnEdecreasedcapillarybloodpressure第13題單選題(1分)ThemajorfactoraffectingdiastolicpressureisAcardiacoutputBelasticityofthewalloftheaortaCcirculatingbloodvolumeDperipheralresistanceEstrokevolume第14題單選題(1分)ThesubstancethatcausesthealternateopeningofcapillariesiscAtransmitterBhormoneChistamineDlocalmetaboliteEkinin第15題單選題(1分)PatientswithleftheartfailureshowsignsofrightheartfailureAPulmonarycongestioncontinuestoexistBPulmonaryedemacontinuestoexistCReducedpulmonarycongestionDPulmonarycongestioncombinedwithsystemiccongestionEPulmonarycirculationandsystemiccirculationreturntonormal第16題多選題(2分)DuringtheisovolumiccontractionperiodABoththehalf-moonvalveandtheatrioventricularvalveareclosedBTheindoorpressurerisessharplyCTheventricularvolumeremainsunchangedDTheindoorpressureremainsunchanged正確答案：ABC第17題多選題(2分)ThemaincharacteristicsofventricularmyocyteactionpotentialdifferentfromskeletalmusclecellsareALongdurationofactionpotentialBThereisaclearplateauCLongeffectiverefractoryperiodDAsymmetryofrisingandfallingbranchesofactionpotential正確答案：ABD第18題多選題(2分)Regardingthebioelectricalactivityofsinusnodecells,thecorrectoneisAPhase0depolarizationspeedisslowerBPhase4automaticdepolarizationspeedisfasterCNoobviousrepolarizationphase1andplateauphaseDPhase0isformedbyNa+influx正確答案：ABC第19題多選題(2分)TheeffectofcatecholamineonmyocardialbioelectricactivityAIncreasetheCa2+influxofphase0oftheslowresponseactionpotentialBStrengthentheautodepolarizationrateofphase4autonomiccellsCSlowdowntherepolarizationphaseK+outflowDSlowdowntherisespeedoffastresponseactionpotential正確答案：AB第20題多選題(2分)Asthemainfactorthatdeterminesthesizeofthepre-ventricularload,thevenousbloodvolume,thefollowingstatementiscorrectAThehigherthecomplianceoftheventricle,thebettertheventricularfilling,andthemorevenousbloodflowBThefastertheCa2+droprateduringdiastole,thefasterthemyocardialdiastolicrate,andthestrongertheroleofventricularnegativepressuresuction;CThepressureinthepericardialcavityincreases,theventricularfillingislimited,andtheamountofvenousreturntotheheartdecreasesDThehighertheatrialpressure,thefasterthevenousreturnspeed,sothemorevenousbloodflowback正確答案：ABC章節(jié)測(cè)試第1題單選題(1分)Inwhichofthefollowingphases,thepulmonarypressureishigherthanatmosphericpressure?()AexpirationtimeBendofinspirationCendofexpirationDinhaletimeEbreathewhenpausedandtheairwayisclear第2題單選題(1分)Innerbreathingmeans()ACO2inpulmonarycapillariesflowintothealveoliBgasexchangebetweentissuecellsandcapillarybloodCgasexchangebetweenlungcapillariesandenvironmentDO2inalveoliflowintothepulmonarycapillariesEArterialbloodinthepulmonaryveinsenterstheleftatrium第3題單選題(1分)Thenecessaryconditiontomaintainnegativepressureinthepleuralcavityis()AThereissomeresistanceintherespiratorytractBThepleuralcavityisclosedCAsmallamountoffluidinthepleuralcavityDInspiratorymusclecontractionEIntrapulmonarypressureislowerthanatmosphericpressure第4題單選題(1分)Transpulmonarypressurerefersto()AdifferencebetweenlungpressureandatmosphericpressureBdifferencebetweenintrapulmonarypressureandintrapleuralpressureCdifferencebetweenatmosphericpressureandintrapleuralpressureDdifferencebetweenatmosphericpressureandthoracicretractionEdifferencebetweenatmosphericpressureandlungretraction第5題單選題(1分)Whichofthefollowingaboutintrapleuralpressureiscorrect()AThereisasmallamountofgasinthecavityBWhenexhaling,intrapleuralpressureequalsatmosphericpressureCWheninhalinghard,intrapleuralpressureispositiveDTheamountofintrapleuralpressureisdeterminedbytheforceoflungretractionEIntrapleuralpressureisnegativewhenpneumothorax第6題單選題(1分)Thenegativepressureintheintrapleuralcavityisformedby()Aatmosphericpressure-inelasticresistanceBatmosphericpressure+transpulmonarypressureCintrapulmonarypressure+transthoracicwallpressureDatmosphericpressure-pulmonaryretractionpressureEatmosphericpressure+pulmonaryretractionpressure第7題單選題(1分)Theretractionforceofthelungmainlycomesfrom()AalveolarelasticfibersBsurfacetensionofliquidmolecularlayerofalveoliCnegativechestpressureDthoracicelasticretractionEalveolarsurfactant第8題單選題(1分)Bywhichcellsinthelungpulmonarysurfactantissynthesizedandsecreted?()AalveoliⅠepithelialcellsBalveoliⅡepithelialcellsCairwayepithelialcellsDlungfibroblastEalveolarmacrophage第9題單選題(1分)Theindextomeasurethepotentialoflungventilationfunctionis()APulmonaryventilationBAlveolarventilationCForcedvitalcapacityD1secondforcedexpiratoryvolumeEVentilationreservepercentage正確答案：E第10題單選題(1分)Amongthefollowingpulmonarycapacities,themostsignificantdecreaseinpatientswithsevereasthmais()AforcedexpiratoryvolumeBvitalcapacityCforcedexpiratoryvolumeattheendof1secondDinspiratorycapacityEexpiratorycapacity第11題單選題(1分)Inwhichofthefollowingsituationswilltheventilation/perfusionratioincrease?()ApulmonaryedemaBemphysemaCasthmaattackDpulmonaryFibrosisEpulmonarycapillaryocclusion正確答案：E第12題單選題(1分)Theoxygendissociationcurveshiftsfromthenormalpositiontotheleft()AItshowsthatthebloodoxygencontentdecreasesatacertainoxygenpartialpressureBCanoccurwhenanemiaCindicatesthattheoxygencontentfromthebloodintothetissueincreasesDVisibleinbloodstoredforseveralweeksEVisiblewhentissuemetabolismincreases第13題單選題(1分)Whichofthefollowingaboutventilation/perfusionratioiswrong?()Anormalvalueinquietstateis0.84Bdecreasingofventilation/perfusionratiomeansthatthealveolarineffectivecavityincreasesCApexratiocomparebigDratioinpulmonarybottomissmallestEinpulmonaryembolism,theratioincreases第14題單選題(1分)Theeffectivestimulustoenhancepulmonaryventilationbyexcitingcentralchemoreceptorsis()AincreasedconcentrationofcerebrospinalfluidH+BincreasedpartialpressureofcerebrospinalfluidCO2CdecreasedO2partialpressureofcerebrospinalfluidDincreasedH+concentrationofarterialbloodEdecreasedO2partialpressureofarterialblood第15題單選題(1分)ThestimulationofrespirationwhenthepartialpressureofCO2inthebloodisincreasedismainlyachievedbywhichofthefollowing()ADirectlystimulatecentralrespiratoryneuronsBStimulatecentralchemoreceptorCStimulatecarotidbodyandaorticbodyreceptorsDStimulatecarotidsinusandaorticarchreceptorsEStimulatecardiorespiratoryreceptorsFStimulatecardiorespiratoryreceptors第16題單選題(1分)Apatientwithpulmonaryheartdiseasehasasignificantdecreaseinarterialbloodoxygenpartialpressure.Thepatientwasinhaledwithpureoxygenbutcausedapnea.Themainreasonis()AReducedsensitivityofperipheralchemoreceptorsBRemovedhypoxicstimulationofperipheralchemoreceptorsCDecreasedsensitivityofcentralchemoreceptorsDLackofCO2stimulationofcentralchemoreceptorsETherespiratorycenterlosesitsresponsivenesstostimuli第17題單選題(1分)Undernormalcircumstances,theeffectivestimulustomaintaintheexcitabilityoftherespiratorycenteris()AAfferentimpulseoflungstretchreceptorsBAfferentimpulseofrespiratorymuscleproprioceptorsCO2deficiencytoacertainextentDPCO2leveltoacertainextentEHighconcentrationofCO2第18題單選題(1分)ThehighestCO2partialpressureinthebodyis()ACapillarybloodBIntracellularfluidCTissuefluidDArterialbloodEVenousblood章節(jié)測(cè)試第1題單選題(1分)Whichofthefollowingdescriptionabouttheelectrophysiologicalcharacteristicsofgastrointestinalsmoothmuscleiswrong?()ATherestingpotentialismainlyformedbytheequilibriumpotentialofK+BTherestingpotentialamplitudeislowerthanthatofskeletalmuscleCslowwavepotentialoriginatesfromCajajstromalcellsDthegenerationofactionpotentialisrelatedtoNa+influxESlowwavefrequencyplaysadecisiveroleintherhythmofsmoothmusclecontraction正確答案：E第2題單選題(1分)What'swrongabouttheroleofsaliva?()AmoistfoodandmakeiteasytoswallowBdissolvefood,causetastesensationCbreakdownstarchintoglucoseDkillbacteriaandviruses,soastocleanandprotectthemouthEexcretesomeheavymetals,cyanide,andrabiesvirus第3題多選題(2分)Whichofthefollowingstatementabouttheloweresophagealsphincter()iswrong?()AThisareaisafunctionalsphincterBThepressureinitis5-10mmhghigherthanthatinthestomachCreflexivedilationoffoodasitpassesfromthemouthtotheesophagusDexcessivedrinkingandsmokingcanincreaseLEStensionEPreventgastriccontentsfromenteringtheesophagusagainstreflux正確答案：DE第4題單選題(1分)Whichofthefollowingstatementaboutpepsiniswrong?()AThesynthesisandsecretionbythemaincellisinthestateofproenzymeBpepsinogencanbeactivatedbyhydrochloricacidCTheproteinisonlydecomposedintofreeaminoacidsDTheoptimalpHforitsfunctionis1.8-3.5EWhenPHexceeds5,irreversibledegenerationwilloccur第5題單選題(1分)Whichofthefollowingaboutthecharacteristicsofgastricjuicesecretioncausedbydirectinjectionofproteinfoodintothestomachisright?()Ahighacidity,butlowproteasecontentBhighacidity,highpepsincontentClowacidity,highpepsincontentDlowacidity,lowpepsincontentElowacidityandmucus第6題單選題(1分)Themainmechanismbywhichacidchymeentersthesmallintestineandcausesthesecretionoflargeamountsofpancreaticjuiceis()AreleaseofgastrinbythemucosaofthesmallintestineBreleaseoftrypsinbythemucosaofthesmallintestineCthesmallintestinalmucosareleasescholecystokininDexcitationofvagusnerveEexcitationofsympathetic第7題單選題(1分)Whichofthefollowingdoesnotbelongtobile?()AbilepigmentBbilesaltCcholesterolDsodiumbicarbonateElipase正確答案：E第8題單選題(1分)Themainpartwhichabsorbnutrientsis()AoralcavityBstomachCsmallintestineDascendingcolonEtransversecolon第9題單選題(1分)Severevomitingoccurringinpatientswithpyloricobstructionmaycause()AmetabolicalkalosisBrespiratoryalkalosisCmetabolicacidosisDmixedacidosisErespiratoryacidosis第10題單選題(1分)WhichisthepartofactiveabsorptionofbilesaltandvitaminB12?()AduodenalintestineBjejunumCileumDcolonEstomach第11題單選題(1分)Gastrointestinalhormonethatinhibitgastricacidsecretionis()AgastrinandcholecystokininBgastrinandcholecystokininCtry