Which of the following is NOT true about the myelin sheath?
A)It is composed of layers of cellular membrane,containing myelin around nerve fibers.
B)It gives nerve fibers their white,glistening appearance.
C)It provides a pathway for new fiber growth if the axon is severed.
D)It decreases the speed of nerve impulse conduction.
E)It is formed from Schwann cells.

Question

Quizplus · Accepted Answer

The myelin sheath actually increases the speed of nerve impulse conduction by insulating the nerve fiber and allowing the impulse to jump from one node of Ranvier to the next.

Which of the Following Is NOT True About the Myelin