If the ventral root of a spinal nerve were cut,what would be the result in the tissue or region that nerve supplies?
A) a complete loss of sensation and movement
B) loss of neither sensation nor movement but only of autonomic control
C) complete loss of sensation
D) a complete loss of voluntary movement

Question

Quizplus · Accepted Answer

The ventral root of a spinal nerve carries efferent motor fibers that control voluntary movement. Therefore, cutting the ventral root would result in a complete loss of voluntary movement in the tissue or region supplied by that nerve. However, sensory fibers (which control sensation) are carried by the dorsal root, so the loss of sensation may not be complete.

If the Ventral Root of a Spinal Nerve Were Cut,what