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During the Rising (Depolarizing) Phase of a Neuronal Action Potential

Question 18

Multiple Choice

During the rising (depolarizing) phase of a neuronal action potential,


A) PK+ becomes much greater than PNa+.
B) PNa+ becomes much greater than PK+.
C) PK+ is the same as PNa+.
D) Na+ efflux (flow out of the cell) occurs.
E) K+ flows rapidly into the cell.

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