All or none prescript An action potential takes place in 2 sorts: depolarization: inside the tissue layer becomes + Repolarization : inside becomes more(prenominal) Na+ and k+ are ions that survive through the membrane via ion channels and revision the elec trical charge of the neuron - when NA+ channels open, NA+ moves inside= depolarization - When K+ channels open, K+ moves push through + repolarization - When depolarization reaches theresheeled (-55mv), it produces an action potential that is of all time the uniform size= all or none Depolarization mannikin NA+ moves in- inside the membrane goes from -55mv to 30 mv Repolarization phase IC+ moves out- inside the membrane goes from 30mV to -70 mV Can restrain an after hyperlarization phase= inside becomes more negative than -70mV, provided it regulates back to -70mV Refactory design Absolute refractory: punt action potential can non be initiated coitus contumacious: second action potential can be initiated, only if only by a lager than prescript stimulation 13 all or none action potential questions 1 GP creates electrical and signal rarely in size 2 when depolarization reaches no 3 NA+ + IC+ NA+ K+ 4 AP will not regenerated 5 period of time after ab begins, during wh! ich an exestable cell can not generate during absolute , second AP cannot be initiated and during relative, second AP can be initiated but only 6 large diameter axones 14 drift conduction synapse and restore 1 because it opens to deplolarization and an excitatory postsynaptic potential 2 slow rectify; in involves simultaneous release 3 because of neurotransmitter from several presynaptic axon terminals 4 by occurring...If you want to get a honest essay, post it on our website: OrderCustomPaper.com
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