In your own words Describe the events that take place during an action potential. Begin at the...

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Medical Sciences

In your own words
Describe the events that take place during an action potential.Begin at the point where an EPSP reaches threshold in the triggerzone. Include all ion channels (8), ion movements (8) and potentialchanges (8) that take place during the various phases of the actionpotential.

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Ans Action potential An action potential is a rapid change in membrane potential that is governed by the opening and closing of ion channels in the plasma membrane of the neuron In this tutorial we will review the phases of an action potential measured from a small area of a neurons membrane The action potential can be divided into five phases the resting potential threshold the rising phase the falling phase and the recovery phase 2 We begin with the resting potential which is the membrane potential of a neuron at rest At this point a small subset of potassium channels are open permitting K ions to enter and exit the cell based on electrochemical forces Note that there is no NET movement of K ions for each K ion that See Answer

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