Which part of a spinal reflex arc receives information from a pain receptor?
a. dorsal root
b. the spinal cord
c. the brain
d. a cranial nerve

The spinal cord is the part of a spinal reflex arc that receives information from a pain receptor.

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. 

The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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