Which statement concerning ascending tracts is correct?
A) They relay messages down the spinal cord from the brain to efferent neurons.
B) They carry impulses from the brain to the spinal cord.
C) They carry impulses from the CNS to the periphery.
D) They transmit signals derived from afferent input up the spinal cord to the brain.

Question

Quizplus · Accepted Answer

Ascending tracts transmit signals derived from afferent input up the spinal cord to the brain. They do not relay messages down the spinal cord to efferent neurons or carry impulses from the CNS to the periphery.

Which Statement Concerning Ascending Tracts Is Correct