When the dorsal root of a spinal nerve is cut
A) the organism is killed.
B) incoming sensory nerve impulses are lost.
C) outgoing motor nerve impulses are lost.
D) incoming motor nerve impulses are lost.
E) impulses will cross over to the other side of the body.

Question

Quizplus · Accepted Answer

The dorsal root of a spinal nerve carries incoming sensory nerve impulses from the peripheral tissues to the central nervous system. Therefore, if the dorsal root is cut, these incoming sensory nerve impulses will be lost.

When the Dorsal Root of a Spinal Nerve Is Cut