The "ascending pathway" begins in the:
A) heart and terminates in the medulla.
B) site of injury and terminates in the spinal cord.
C) somatosensory cortex and terminates in the hypothalamus.
D) spinal cord and sends pain information to the thalamus.

Question

Quizplus · Accepted Answer

The ascending pathway refers to the pathway that carries sensory information, including pain information, from the periphery (such as the skin) to the brain. This pathway begins in the spinal cord and sends information to the thalamus, which then relays it to other parts of the brain for further processing. Therefore, choice D is the correct answer as it correctly states that the ascending pathway begins in the spinal cord.

The "Ascending Pathway" Begins in The