Which type of axon transmits a nerve impulse at the highest rate?
A)Large nonmyelinated
B)Large myelinated
C)Small nonmyelinated
D)Small myelinated

Question

Quizplus · Accepted Answer

A myelinated axon has a myelin sheath wrapped around it which functions as an insulating substance that speeds impulse propagation. The diameter of the myelinated axon also affects the speed of nerve impulse transmission with larger diameter axons transmitting at a faster speed than smaller ones.

Which Type of Axon Transmits a Nerve Impulse at the Highest