05醫(yī)學7年制生理學英文試題B卷

05醫(yī)學7年制生理學英文試題B卷05醫(yī)學7年制生理學英文試題B卷05醫(yī)學7年制生理學英文試題B卷蘇州大學

2005—2006

學年度第一學期臨床醫(yī)學

7年制生生理學試題〔雙語

B卷〕2005，01PhysiologicalTestPaper(TypeB)forMedicalStudent(7yearlengthofschooling)Year05To06,FirstSemester,SoochowUniversityJan,2005Name：

IDforStudy

：

Score

：___________PARTⅠ

Explanationofterminology:

〔20Points

〕Positivefeedback:Antiporter:Restingpotential:MeanArterialPressure:Surfactant:Basicelectricalrhythm(BER):Respiratoryquotient:Renalreabsorption:Puberty:Corebodytemperature:PARTⅡSingleChoice:〔30Points,PleaseMakeYourAnswerinTABLE〕Number123456789101112131415AnswerNumber161718192021222324252627282930Answer1WhatarespecializedtoproduceforceandmovementA.musclecellsB.connectivetissuesC.nervecellsD.epithelialcellsE.synapse2ThefluidenvironmentsurroundingeachcelliscalledtheA.intracellularfluidB.infracellularfluidC.internalenvironmentD.externalenvironmentE.nuclearfluid3HowmuchofnormalbodyweightismadeupofwaterA.10%B.35%C.60%D.90%E.70%4WhichofthefollowingisNOTacharacteristicoflifeA.growthB.responsivenessC.reproductionD.organsystemsE.adaption5WhichofthefollowingdoesNOToccurinaskeletalmuscleduringcontractionA.thickandthinfilamentsbindtoeachotherB.musclefibersstretchC.thickandthinfilaments“slide〞pasteachotherD.musclefibersshortenE.thickandthinfilamentsoverlapAbouttheformingmechanismofactionpotential,ascendingbranchisduetoA.Ca++excurrentflowB.K+incurrentflowC.Na+excurrentflowD.K+excurrentflowE.Na+incurrentflowTherandomthermalmotionofmoleculesfromanareaofhigherconcentrationtooneoflowerconcentrationistermedA.fluxB.diffusionC.osmosis

D.bulkflowE.pump8Iftheend-diastolicventricularvolumesareincreased(withinphysiologicallimits)A.thestrokevolumewouldbedecreasedB.cardiacoutputwouldbedecreasedC.venouspressurewouldbedecreasedD.theforceofcardiaccontractionwouldbedecreasedE.above-mentionedresultswouldbeincorrect9ThemaximumofventricularpressurewilloccurinA.PeriodofisovolumetriccontractionB.PeriodofatriumSystoleC.PeriodofventricularejectionD.PeriodofisovolumetricrelaxationE.Periodofventricularfilling10Adecreaseinheartrate,withstrokevolumeandperipheralresistanceheldconstant,willresultinadecreaseinallofthefollowing,exceptA.arterialdiastolicpressureB.arterialsystolicpressureC.cardiacoutputD.arterialpulsepressureE.meanarterialpressure11MyocardialcontractilityisbestcorrelatedwiththeintracellularconcentrationofA.Na+B.K+C.Ca++D.Cl-E.Mg++ThegreatestpressuredropinthecirculationoccursacrossthearteriolesbecauseA.theyhavethegreatestsurfaceareaB.theyhavethegreatestcross-sectionalareaC.thevelocityofbloodflowthroughthemishighestD.thevelocityofbloodflowthroughthemislowestE.theyhavethegreatestresistance13Themostimportantchemicalfactortostimulaterespiratoryexcitationis-3B.K++2214CorrectdescriptionofthedeadspacedoesnotincludeA.deadspaceisthevolumeofairthatdoesnotreachareasofthelungwheregasexchangeoccurs.B.anatomicaldeadspaceisduetotheconductionairways.C.alveolardeadspaceisduetoalveolithatreceiveinadequatebloodflow.D.physiologicaldeadspaceisthesumofanatomicalandalveolardeadspaces.E.deadspacevolumeisalwayschangeable15ThemoststrongdigestiveliquidisA.salivaB.gastricliquidC.pancreaticliquidD.bileE.smallintestinalliquidThefunctionofintrinsicfactoristohelpDigestionandabsorptionofVitaminDDigestionandabsorptionofVitaminCDigestionandabsorptionofVitaminADigestionandabsorptionofVitaminEE.DigestionandabsorptionofVitaminB1217ThemosteffectivecomponentofbileisA.bileacidsB.phospholipidsC.cholesterolD.PigmentsE.electrolytes18ThequickeststomachemptyingisA.WaterB.carbohydrateC.proteinsD.fatsE.ions19TheprimarysitefordigestionandabsorptionoffoodisA.esophagusB.stomachC.smallintestineD.colonE.mouthThemostimportantexcretiveorganisA.lungB.kidneyC.skintractE.breast21ThehighestpercentageofglomerularfiltratereabsorptionoccursinA.Bowman’scapsuleB.proximaltubuleC.ascendinglimbofloopofHenleD.distaltubuleE.collectingduct22Thekidney“handles〞K+byA.filtrationonlyB.filtrationandreabsorptiononlyC.filtrationandsecretiononlyD.filtration,reabsorption,andsecretionE.filtration,reabsorption,andmetabolism23Pygmy,maybe,inthechildhoodresultedfromdeficiencyofA.growthhormoneB.T3C.CortisolD.insulinE.Aldosterone24Cretinism,maybe,inthechildhoodresultedfromdeficiencyofA.growthhormoneB.T3C.epinephrineD.oxytocinE.glucagon25Followinghormonemayelevatebloodglucoseconcentration,exceptA.epinephrineB.glucagonsC.CortisolD.calcitoninE.growthhormone26Bloodfromamarathonrunnerneartheendofaracewillcontainallofthefollowing,exceptA.decreasedglucoseB.increasedinsulinC.increasedglucagonsD.increasedfreefattyacidsE.increasedglycerol27Undertheexercisecondition,themostheat-producingtissueisA.musclesB.fatsC.liverD.bloodE.nerves28HeattransferoccursbyA.radiationB.conductionC.convectionD.evaporationE.above-mentionedall29ThebasicnervouscentreforbodytemperatureregulationisA.medullaoblongataB.pontineneuronsC.hypothalamusD.spinalcordE.braincortexAspirincanreducefeverbecauseitdirectlydepressesbodytemperatureitdirectlyincreasesheatlossitdirectlydecreasesheatgenerationitdirectlyreducestemperaturesetpointinthehypothalamusitdirectlyletspersontakebehaviouralmeasuresagainstfeverPARTⅢAnswerQuestion:〔50Points〕1PleaseanswercomponentsofatypicalECGtraceandeachmeaning.(8Points)2WhataredeterminantsandregulationofRBF

(8Points)3HowarepulmonaryventilationInfluencedbyPO2,PCO2,andpH(10Points)4Whataretypicalandcommonpatternsofmotilityindifferentpartsofgastrointestinaltracts(8Points)5Whatarefunctionsofthyroidhormones(8Points)6Howdoesthehumanbody’sreflexresponsetocold(8Points)蘇州大學2005—2006學年度第一學期臨床醫(yī)學7年制生生理學試題〔雙語B卷〕2005，01PhysiologicalTestPaper(TypeB)forMedicalStudent(7yearlengthofschooling)Year05To06,FirstSemester,SoochowUniversityJan,2005ANSWERPARTⅠExplanationofterminology:〔20Points〕1Positivefeedback:Therearesituationswheretheinitialresponseproducesfurtherchangeinthesamecondition.Thisisself-perpetuatingandiscalledpositivefeedback.2Antiporter:Thecarrierproteincouplesthemovementofantiportermoleculesinoppositedirections,thenitiscalledanandthemoleculesaresaidtobecounter-transported.3Restingpotential:Underthequietorcalmconditions(withoutanystimuli),themembranedisplaysthepotentialdifferencebetweeninsideandoutsidethecell.4MeanArterialPressure:MAP=DiastolicPressure+1/3PulsePressure,about100mmHg.5Surfactant:Thefluidliningthealveolicontainsmaterial,aphospholipidsecretedbytypeⅡpneumocyteswhichlowersthesurfacetensionofalveoliandcausesurfacetensiontochangewithvolume.6Basicelectricalrhythm(BER):Thebasicelectricalrhythm(BER)isaslowspontaneousdepolarizedwaveintheGItractandBERofsmoothmusclecellsformthebasis(actionpotential)ofstomachcontractions.7Respiratoryquotient:RQ=MolnumberofproducingCO2inbodyperunittime/MolnumberofconsumptiveO2inbodyperunittime.8Renalreabsorption:Saltandwaterarereabsorbedindifferentpartsofrenaltubulesintointerstitialfluidandfinallyintotheblood,whichisnamedrenalreabsorption.9Puberty:OnsetofthespecialperiodsismarkedbypulsatilesecretionofGnRH,FSH,andLHbothinmaleandfemaleforbodyfastdevelopment.10Corebodytemperature:Itisthetemperatureoftheinteriorofthebodyandisacontrolledvariablethatismaintainedwithinnarrowlimits.PARTⅡSingleChoice:〔30Points,PleaseMakeYourAnswerinTABLE〕Number123456789101112131415AnswerACCDBEBECDCEDECNumber161718192021222324252627282930AnswerEAACBBDABDBAECDPARTⅢAnswerQuestion:〔50Points〕1PleaseanswercomponentsofatypicalECGtraceandeachmeaning.(8Points)ThreemajorcomponentsofanECGarePwave,QRScomplex,Twave.Pwave:atrialdepolarizationQRScomplex:depolarizationofventriclesTwave:repolarizationofventriclesPRintervalistheintervalfromthebeginningofatrialactivationtothebeginningofventricularactivation.QTintervalistherequiredforventriculardepolarizationandrepolarization.2WhataredeterminantsandregulationofRBF

(8Points)RBFisdeterminedbysystemicarterialbloodpressureandrenalvascularresistance.RBFdemonstratesautoregulation.Autoregulationinvolvesafferentnotefferentarterioles.Autoregulationisexplainedeitherbythemyogenichypothesisortubuloglomerularfeedback.3HowarepulmonaryventilationInfluencedbyPO2,PCO2,andpH(10Points)Twogroupsofchemoreceptors,medullaryandperipheral,sendafferentinformationtothemedullaandinfluencethedepthandrateofrespiration.MedullarychemoreceptorsaresensitivetopHandincreaseventilationwhenpHfalls.PeripheralchemoreceptorsaresensitivetopH↓,PO↓,andPCO↑,22withPCO2beingmosteffective.SensitivityoftheperipheralchemoreceptorsisinfluencedbypH,.PO,andPCO2.24Whataretypicalandcommonpatternsofmotilityindifferentpartsofgastrointestinaltracts(8Points)Thecommonpatternsofmotilityindifferentpartsofgastrointestinaltractsisperistalsis.Thetypicalpatternsofmotilityatstomachisreceptiverelaxationforstoreoffood.Thetypicalpatternsofmotilityatsmallintestineissegmentationforturningfoodintosmallerparticlesandhelpingabsorption.Thetypicalpatternsofmotilityatlargeintestineismassmovementforpushingthecontentsinthecolonintothenextdownstreamseg