Which of the following is a true statement about an “action potential”? A. It refers to the movement of a neuro-transmitter along an axon. B. It travels away from the cell body along the axon. C. It causes K + to rush into the cell. D. It travels between the dendrite and the axon hillock.
Option B. An action potential is an efferent impulse that travels alongside the axon away from the cell body.
