In the Sequence of Permeability Changes for a Complete Action

question 35

Multiple Choice

In the sequence of permeability changes for a complete action potential, the first of these events that occurs is

• A) the activation of the sodium-potassium "pump."
• B) the inhibition of the sodium-potassium "pump."
• C) the opening of voltage-gated sodium channels.
• D) the closing of voltage-gated potassium channels.
• E) the opening of voltage-gated potassium channels.

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