Chapter24StudyGuide NervousSystemandSenses 1.Knowhowtoidentifythecellbody,dendritesandaxonofamotorneuron. 2.Whatisasynapse? 3.Whatisthepurposeofmyelin? 4.Whatistherestingpotentialsandwhatistheactionpotential? 5.Whichionchannelsareopeningduringanactionpotential? 6.Whichionismoreconcentratedontheoutsideofthecellatrest? 7.Whichionismoreconcentratedontheinsideofthecellatrest? 8.Whatdoestherestingpotentialmeasureinvolts? 9.Whenthecellbecomesmorepositiveduringanactionpotential,whichion movedin? 10.Whenacellbecomesmorenegativeagainduringanactionpotential,whichion movedout? 11.Howlongdoesanactionpotentialtake? 12.Howisasensationdifferentfromaperception? 13.Wheredoyoufindmechanoreceptors? 14.Wheredoyoufindchemoreceptorsinhumans?Wherearetheyinbutterflies andflies? 15.Wherearethetastebuds? 16.Whatarefloatersintheeye? 17.Howmanydifferenttypesofconesarethere? 18.Howdowefocusfornearorforfar? 19.Ifyouhavemyopia,whatishappeningthatyoucannotseewell? 20.Whatsortofglassescorrectformyopia? 21.Ifyouarefarsighted,whatishappeningthatyoucannotseewell? 22.Whatsortofglassescorrectforthat? 23.Whatisthetestforastigmatism? 24.Inwhatpartoftheeararethereceptorsforsoundfound? 25.Howarethemechanoreceptorsintheearstimulated,makingyouhear? 26.Whatisthepurposeofthesemicircularcanals?Whydotheyorientin3 differentdirections? 27.HowdoesSpiderManknowheisdroppingdownverticallywithoutlooking? 28.Howcanyoutellthatyouareacceleratinginacarwithoutlooking? 29.Whydoweneedrocksintheear? 30.WhatistheEpleymaneuver? 31.Whatareyougoingtowearinyourearstoyournextrockconcert?(please)