Question

the most rapid conduction of an impulse along an axon occurs on a fiber that is ______. multiple choice thick and myelinated thin and myelinated thick and unmyelinated thin and unmyelinated

Explanation:

The speed of impulse conduction along an axon depends on axon diameter (thicker is faster) and myelination (myelinated axons use saltatory conduction, which is faster than continuous conduction in unmyelinated axons). So a thick and myelinated axon fiber allows the most rapid impulse conduction.

Answer:

A. thick and myelinated