The primary function of the myelin sheath is to:
A)reduce the speed of neurotransmitters crossing the synaptic gap.
B)insulate the axon and increase the speed at which neurons convey their message.
C)provide support and nutrition to the dendrites.
D)inhibit the opening and closing of ion channels on the axon's membrane.

Question

Quizplus · Accepted Answer

The myelin sheath is a fatty substance that covers the axon of some neurons. Its primary function is to insulate the axon and increase the speed at which neurons convey their message. This insulation helps prevent the loss of electrical signals that travel along the axon and allows for more efficient communication between neurons.

The Primary Function of the Myelin Sheath Is To