Question

As a result of an action potential, what change in charges across the cell membrane occurs? a) A decrease in positive charges inside the cell. b) An increase in negative charges inside the cell. c) A decrease in negative charges inside the cell. d) An increase in positive charges inside the cell.

Answer 1

Propagation of the Action Potential

This spreading occurs because Na+ enters through the channel and moves along the inside of the cell membrane. As the Na+ moves, or flows, a short distance along the cell membrane, its positive charge depolarizes a little more of the cell membrane.