3. Which of the following statement concerning “muscle pain” is least likely?
(A) Muscle pain is distinct from cutaneous pain.
(B) Muscle pain is one of the most common pain complaints.
(C) Muscle nociceptors are free nerve endings that are connected to the central nervous system.
(D) Most nociceptors cannot be excited by algesic agents, including bradykinin, serotonin.
(E) In damaged muscle, the nociceptors have a lowered mechanical threshold.