Multiple Choice
Derek dropped a hammer on his foot and shrieked a split second later at the intense pain from a newly broken toe.The almost instantaneous pain signals traveled along
A) thin, unmyelinated C fibers.
B) gated endorphin pathways in the hypothalamus.
C) periacqueductal gray neurons in the midbrain.
D) thick, myelinated A-delta fibers.
Correct Answer:

Verified
Correct Answer:
Verified
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