Pain-Induced Release of Substance P in the Dorsal Horns of the Spinal

question 73

Multiple Choice

Pain-induced release of substance P in the dorsal horns of the spinal cord causes

• A) remodeling of presynaptic axons, perhaps blocking subsequent pain signals.
• B) remodeling of dendrites, perhaps altering later pain perception.
• C) increased production of acetylcholine receptors, which improves pain suppression by the brain.
• D) reduction of endogenous opiate secretion, which allows important pain stimuli to reach the brain.

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