Why Does Depolarization of the Neuron Plasma Membrane Occur

question 21

Multiple Choice

Why does depolarization of the neuron plasma membrane occur?

• A) due to the diffusion of K⁺ into the cell
• B) due to the diffusion of K⁺ out of the cell
• C) due to the diffusion of Na⁺ out of the cell
• D) due to the diffusion of Na⁺ into the cell

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