During the initial upstroke of an action potential, a rapid change in membrane potential occurs. This change is primarily driven by which ionic movement?
Select one:

Question

During the initial upstroke of an action potential, a rapid change in membrane potential occurs. This change is primarily driven by which ionic movement? Select one:

Answer

Efflux of sodium ions from the neuron

Answer

Influx of potassium ions into the neuron

Answer

Efflux of potassium ions through voltage‑gated channels

Answer

Influx of sodium ions through voltage‑gated channels

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During the initial upstroke of an action potential, a rapid change in membrane ...

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