Which of the following is responsible for the falling phase of an action potential? A) opening of Na⁺ gates B) Na⁺-K⁺ pump restoring the ions to their original locations C) greatly increased permeability to Na⁺ D) ATP-ase destroying the energy supply that was maintaining the action potential at its peak E) none of these

Question

Quizplus · Accepted Answer

The falling phase of an action potential is primarily due to the opening of K⁺ channels, leading to an efflux of K⁺ ions, not any of the options listed.

Which of the Following Is Responsible for the Falling Phase