Multiple choice

The velocity of an action potential propagation

  1. is independent of an axon diameter

  2. depends on the compactness of the myelin sheath surrounding the axon

  3. remains unaffected if the axon of a nerve cell losses myelin

  4. is the fastest in unmyelinated axons

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The above option is correct as the velocity of conduction action potential propagation is the fastest in large diameter myelinated axons.