Which of the following statements concerning transduction is most accurate?
A. Transduction is the conversion of energy into electrical impulses in specialized nerve endings in response to pain that exceeds the nociceptor's threshold.
B. Transduction is the conduction of nerve impulses from the nociceptor to the thalamus.
C. Transduction involves the conduction of a painful sensation to a nerve cell located entirely within the central nervous system (CNS) that activates sympathetic reflexes.
D. Transduction is the process of carrying a pain nerve impulse along peripheral nerves to the spinal cord.