![An action potential](https://www.gkseries.com/blog/wp-content/uploads/2022/09/An-action-potential.png)
Q. An action potential:
- is essential for nerve impulse propagation
- involves the influx of negative ions to depolarize the membrane
- involves the outflux of negative ions to depolarize the membrane
- involves the outflux of positive ions to depolarize the membrane
- is initiated by potassium ion movements
Answer: is essential for nerve impulse propagation