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    At the Peak of an Action Potential
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At the Peak of an Action Potential

Question 147

Question 147

Multiple Choice

At the peak of an action potential,


A) the diffusion of Na+ through voltage-gated channels ceases
B) the concentration gradient for K+ promotes the movement of this ion out of the cell
C) K+ permeability greatly increases
D) the electrical gradient promotes the diffusion of K+ out of the cell
E) all of the above are true

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