Author Question: The end of the rising phase of an action potential occurs when the A) sodium channels close. B) ... (Read 79 times)

jessicacav · **on:** Jun 22, 2018

The end of the rising phase of an action potential occurs when the

A) sodium channels close.
B) sodium channels open.
C) potassium channels open.
D) potassium channels close.
E) both A and D

Question 2

During an action potential, the change in membrane potential associated with the influx of sodium ions triggers the

A) opening of sodium channels.
B) closing of chloride channels.
C) opening of chloride channels.
D) closing of potassium channels.
E) opening of potassium channels.