Postdoctoral fellow Ciara is studying how nociceptive information is processed from the source of a painful stimulus to the dorsal horn of the spinal cord. What type of axons transmit this information?
A) Aδ and B fibers
B) Aδ and C fibers
C) A and Bδ fibers
D) A and Cδ fibers

Question

Quizplus · Accepted Answer

Aδ and C fibers are responsible for transmitting nociceptive information from the site of a painful stimulus to the dorsal horn of the spinal cord. Aδ fibers are myelinated and transmit sharp, acute pain, while C fibers are unmyelinated and are involved in the transmission of dull, chronic pain.

Postdoctoral Fellow Ciara Is Studying How Nociceptive Information Is Processed