What Have Scientists Discovered About Pain Mechanisms

question 65

Multiple Choice

What have scientists discovered about pain mechanisms?

• A)there is one set of receptors that responds to all forms of pain-producing stimuli.
• B)the location and intensity of pain is identified by mechanisms in the spinal cord.
• C)pain signals are sent to the central nervous system via two pathways.
• D)pain signals are first sent to the brain via the reticular formation.