PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one of the following is the correct sequence of events that follows a threshold potential:1.membrane becomes depolarized2. sodium channels open and sodium ions diffuse inward3. membrane becomes repolarized4. potassium channels open and potassium ions diffuse outward while sodium actively transported out of the cell
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4, 1, 3, 2
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2, 1, 4, 3
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3, 2, 1, 4
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1, 2, 3, 4
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Explanation:
Detailed explanation-1: -The action potential can be divided into five phases: the resting potential, threshold, the rising phase, the falling phase, and the recovery phase. We begin with the resting potential, which is the membrane potential of a neuron at rest.
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