question_answer

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

A) \[{{K}^{+}}\] ions from extracellular fluid to intracellular fluid.

B) \[N{{a}^{+}}\] ions from intracellular fluid to extra- cellular fluid.

C) \[{{K}^{+}}\] ions from intracellular fluid to extracellular fluid.

D) \[N{{a}^{+}}\] ions from extracellular fluid to intracellular fluid.