Q. The action potential while the propagation of a nerve impulse is due to the movement of________.
- K+ ions from intracellular to extracellular fluid
- K+ ions from extracellular to intracellular fluid
- Na+ ions from intracellular to extracellular fluid
- Na+ ions from extracellular to intracellular fluid
Answer: Na+ ions from extracellular to intracellular fluid
