The repolarization phase of the action potential is produced primarily by: O the efflux of K$^+$ O the influx of Na$^+$ O the influx of K$^+$ O the efflux of Na$^+$
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Step 1: During the repolarization phase of the action potential, the efflux of K^+ ions out of the cell occurs. Show more…
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Repolarization of an axon during an action potential is produced by a. inward diffusion of $\mathrm{Na}^{+}$. b. active extrusion of $\mathrm{K}^{+}$. c. outward diffusion of $\mathrm{K}^{+}$. d. inward active transport of $\mathrm{Na}^{+}$.
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What exactly causes the depolarization phase of an action potential? K+ being pumped into the cell by the sodium-potassium ATPase K+ leaving the cell through voltage-gated channels Na+ being pumped into the cell by the sodium-potassium ATPase Na+ entering the cell through voltage-gated channels Opening of the Na+ channel inactivation gate
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