During the propagation of a nerve impulse, the Q action potential results from the movement of:

Question

( A ) $Na^+$ ions from extracelluar fluid to intracellular fluid
( B ) $K^+$ ions from extracellular fluid to intracellular fluid
( C ) $Na^+$ ions from intracellular fluid to extracellular fluid
( D ) $K^+$ ions from intracellular fluid to extracellular fluid