Multiple Choice
The gating action proposed in the gate-control theory of pain apparently relies on:
A) small fibers that inhibit nervous system activity and close the pain gates
B) large fibers that inhibit nervous system activity and open the pain gates
C) large fibers that produce nervous system activity and close the pain gates
D) the release of serotonin that inhibits nervous system activity and closes the pain gates
Correct Answer:

Verified
Correct Answer:
Verified
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