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PBL(,617000),,,,PBL,;;PBL;,,,(bioelectricity),,,,(ProblemBasedLearning,PBL),1,,,:????2:,,33.1,,1837Matteucci,C.Nobili,3.23.2.1,0mv,,0mv;,:,;()();,;;3.2.2,:,()(Restingpotential),-90mv,-70mv,-55mv,-10mv;()(),-10-100mv(Nernst),31123120062Vol.23.No.1JournalofPanzhihuaUniversityFeb.2006©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Actionpotential),,90130mv,120mv,70mv(0.52.0ms),(300ms),113.33.3.11949HodgkinHuxley,1976NeherSakmann,:,,()()3.3.2K+K+,K+(30),K+K+K+(),K+,K+,(Na+Ca2+)3.3.3(K+Na+Ca2+),(1),:(),()(),Na+(Thresholdpotential),Na+,Na+(10),,Na+(),Na+,Na+K+,K+,,,,ms,K+Na+;,,Ca2+,0mv;,,Ca2+,1,3.4,,,,,(),411231©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,,,4,,,,,,PBL(anchor)[1],PBL,,,,,,,[1],.[J].,2005,176(1):7377.[2].[M].:,2003.[3].[M].:,2002.[4].[M].:,2001.TeachingcasesofimplementPBLincellbioelectricitypartAbstract:Thepartaboutbioelectricityisoneofthemostimportantpartsofphysiology,andoneoftheteachingdifficultiesofphysiology.Restrictedbythescheduleofthecoursecontents,bioelectricityisdiscussedinmanypartsofthecoursewithrespectivecharacters,whichistheoneofthecausesfortheteachingdifficul2ties.TheauthortriestomakeuseofPBLteachingmodeltoresolvethecomplexandscatteredcontent,inordertoimprovetheteachingefficiency.KeyWords:cell;bioelectricity;PBL;teaching(108)2)PMCAD,,3,2005PKPM,,,,,,[1]CADPMCAD[M].,2005.[2]SATWE[M].,2005.[3]TAT[M].,2005.[4](GB50011-2001)[S].,2001.51123:PBL1©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.