After an Action Potential Is Triggered,the Rapid Increase in Membrane

Multiple Choice

After an action potential is triggered,the rapid increase in membrane potential can be attributed to

A) the direction reversal of the sodium/potassium pump.
B) the closing of sodium leak channels.
C) the opening of the activation gates of voltage-gated sodium channels.
D) the closing of potassium leak channels.
E) the opening of the voltage-gated potassium channels.