The small gaps in the myelin covering of a nerve act to
A)decrease the speed of transmission of nerve impulses.
B)increase the speed of transmission of nerve impulses.
C)decrease or increase the transmission of nerve impulses, depending on the state of the firing neurons.
D)stimulate the repair of damaged nerve cells.

Question

Quizplus · Accepted Answer

The small gaps in the myelin sheath, known as Nodes of Ranvier, facilitate saltatory conduction, where nerve impulses jump from one node to the next, significantly increasing the speed of impulse transmission along myelinated neurons.

The Small Gaps in the Myelin Covering of a Nerve