Which of the Following Statements About Action Potentials Is Correct

Multiple Choice

Which of the following statements about action potentials is correct?

A) Action potentials for a given neuron vary in magnitude.
B) Action potentials for a given neuron vary in duration.
C) Action potentials are propagated down the length of the axon.
D) Movement of ions during the action potential occurs mostly through the Na⁺ pump.
E) Action potentials of all cells are of the same speed.