Which of the Following Is True

Multiple Choice

Which of the following is true?

A) Unmyelinated axons rest in invaginations of Schwann cells or oligodendrocytes..
B) Myelination will not influence the speed of conduction of action potentials.
C) The myelin sheath inhibits the flow of electrical charges at nodes.
D) The myelin sheath is a protein wrapping.
E) The myelin sheath does not electrically insulate the axons from one another.