Myelin-producing cells in a peripheral nerve are called:
a. Astrocytes
b. Microglia
c. Oligodendroglia
d. Satellite cells
e. Schwann cells
ANS: E
In the peripheral nervous system, but not in the central nervous system, Schwann cells produce myelin.
You might also like to view...
Where in the body would you expect to find a Haversian system?
A. In the skeletal muscle B. In the nervous system C. In bone D. In cartilage E. In skin
Why is the hand region of the homunculus on the precentral gyrus so large?
A. We have very sensitive fingertips. B. Our arms require a lot of muscle control. C. We have very mobile wrists. D. We have a lot of motor units associated with finger movement. E. The hand is a proportionally large part of the body.
A man had a gunshot wound in his abdomen. The bullet passed through his anterior body and lodged inside the transverse colon. Which layers did the bullet pass through to arrive at the location?(1) Parietal peritoneum(2) Visceral peritoneum
A. 1, 2, 2, 1 B. 1, 2 C. 1, 2, 1, 2 D. 2, 1, 1, 1 E. 1, 2, 2, 2
Treatment of myxedema includes:
a. radiation. b. thyroxine replacement. c. iron replacement. d. calcium replacement.