Q. During the conduction of a nerve impulse, the action potential results from the movement of
A) $K^{+}$ions from extracellular fluid to intracellular fluid
B) $Na^{+}$ ions from intracellular fluid to extracellular fluid
C) $K^{+}$ ions from intracellular fluid to extracellular fluid
D) $Na^{+}$ ions from extracellular fluid to intracellular fluid
Explanation
Action potential occurs due to the movement of $Na^{+}$ ions from extracellular fluid to intracellular fluid.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.