A friend of yours suffers a blow to the forehead and loses sensation in her scalp due to the crushing of peripheral nerves. Is there a possibility she will regain sensation in the area?
A. Yes, because satellite cells undergo mitosis and produce growth factors that enable damaged axons to regenerate.
B. No, because peripheral nerves lack an endoneurium and a neurilemma.
C. Yes, because damaged peripheral axons may regenerate due to the presence of a neurilemma and an endoneurium.
D. No, because damaged neurons have very limited potential for mitosis.
E. Yes, because the damaged neurons may regenerate through the process of mitosis.
Answer: C
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A) cercopithecines B) hominins C) prosimians D) anthropoids
Damage to the pectoralis major would interfere with a person's ability to
A) extend the forearm. B) abduct the humerus. C) adduct the humerus. D) elevate the scapula. E) rotate the elbow.
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A. peroneal nerve. B. femoral nerve. C. obturator nerve. D. pudendal nerve. E. tibial nerve.
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