Multiple Choice
What causes the membrane potential to return to the normal negative value after an action potential has occurred?
A) opening of a voltage-gated K+ channel
B) opening of a voltage-gated Na+ channel
C) closing of a voltage-gated K+ channel
D) opening of a ligand-gated Na+ channel
E) opening of a voltage-gated K+ facilitated transporter
Correct Answer:

Verified
Correct Answer:
Verified
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