Before another action potential “spike” can occur
a. there must be a very brief restoration of the resting conditions in the membrane.
b. the membrane voltage must drop to zero.
c. the sodium-potassium pump must cease temporarily.
d. all of the membrane gates must be closed at the same time.
e. all of these must happen.
Answer: a. there must be a very brief restoration of the resting conditions in the membrane.
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