The gate-control theory of pain suggests that ___________
a) the pain signals must pass through a neurological portal located in the spinal cord
b) the skin receptors act as a gate for the pain sensation
c) the cortex blocks pain unless released by substance P
d) the gate is a physical structure that blocks pain signals
ANS: A, The gate-control theory suggests that these "gates" can open and close, which results in pain messages being either allowed or prevented from making it to the brain.
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Which neurotransmitter is associated with sleep, mood, and appetite?
a) GABA b) serotonin c) dopamine d) acetylcholine
As she walks out of the living room, Gloriann turns out the light. In this example, Gloriann's ________ is active
a) sympathetic nervous system b) parasympathetic nervous system c) autonomic nervous system d) somatic nervous system