Multiple sclerosis is a disease in which the myelin sheath is destroyed. What will happen to nerve conduction speed in affected neurons?
A) It will slow down dramatically.
B) It will speed up dramatically.
C) It will speed up just a little bit.
D) There will be no effect.

Question

Quizplus · Accepted Answer

The myelin sheath is important for the insulation of neurons and aids in the propagation of action potentials down the axon. Destruction of the myelin sheath, as in multiple sclerosis, results in the slowing down of nerve conduction speed.

Multiple Sclerosis Is a Disease in Which the Myelin Sheath