The myelin sheath that covers many CNS axons is formed by

A) astrocytes.
B) satellite cells.
C) oligodendrocytes.
D) microglia.
E) ependymal cells.


Answer: C

Anatomy & Physiology

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Indicate whether the statement is true or false

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The large cartilaginous external portion of the ear is called the:

A) ossicle. B) cochlea. C) auricle. D) oval window.

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HCl is not involved in

a. protein denaturation. b. digestion of connective tissue and muscle. c. D cell activation. d. pepsin activation. e. antimicrobial activity.

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