Which spinal nerve relays motor impulses to the muscles of the posterior forearm?
A) ulnar
B) median
C) axillary
D) radial

Question

Quizplus · Accepted Answer

The radial nerve relays motor impulses to the muscles of the posterior forearm, such as the extensor muscles. The ulnar nerve innervates the muscles of the medial forearm and hand, the median nerve innervates the muscles of the anterior forearm and some hand muscles, and the axillary nerve innervates the deltoid muscle.

Which Spinal Nerve Relays Motor Impulses to the Muscles of the Posterior