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

Question

Quizplus · Accepted Answer

The gate-control theory of pain suggests that pain signals are modulated by the relative activity of large and small nerve fibers. Large fibers, when activated, can inhibit the transmission of pain signals, effectively "closing" the gates to pain perception. This is why activities that stimulate large fibers, such as rubbing a sore area, can temporarily reduce the sensation of pain.

The Gating Action Proposed in the Gate-Control Theory of Pain