McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

Myelin sheaths are formed by what type of cells in the peripheral nervous system?

A. oligodendrocytes
B. astrocytes
C. Schwann cells
D. microglia


2. What is the function of a myelin sheath?

A. regeneration of cut neurons
B. insulation of long axons
C. increasing rate of impulse conduction along axon
D. All of these are correct.
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