Question

Type ________ fibers have the largest diameter axons.

A) S
B) F
C) A
D) B
E) C

Answer 1

Type B fibers have the largest diameter axons and are responsible for quick and powerful contractions.

Step-by-step explanation:

The type D) Be fibers have the largest diameter axons.

Fast fibers, also known as Type 2 fibers, are responsible for quick and powerful contractions. They have a larger diameter, allowing for faster conduction of nerve impulses.

For example, a thick, myelinated axon would propagate an action potential the fastest.