The phenomenon known as referred pain:
A. is synonymous with the persistence of perceptions of painful stimuli long after the activity responsible for triggering them has ceased.
B. involves a descending pathway that blocks the release of substance P in the spinal cord.
C. is a perception of a false painful stimulus with no initiating stimulus; it is created in the mind.
D. is the projected perception of pain as a sensation being experienced at a site other than that of the actual injured or diseased tissue.
Answer: D
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