Question

Which of the following is TRUE about myelination? A It is necessary for saltatory conduction B It slows conduction along dendrites C It acts to electrically insulate synapses ONLY D It occurs only in the central nervous system

Answer 1

Answer:

Myelin can greatly increase the speed of electrical impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length. Myelin damage causes several neurological diseases, such as multiple sclerosis.