The ________ Arises from the Posterior Cord of the Brachial

Question

The ________ arises from the posterior cord of the brachial plexus.
A) ulnar nerve
B) median nerve
C) radial nerve
D) musculocutaneous nerve
E) dorsal scapular nerve

Accepted Answer

The radial nerve arises from the posterior cord of the brachial plexus. The ulnar nerve arises from the medial cord, the median nerve arises from both the medial and lateral cord, and the musculocutaneous nerve arises from the lateral cord. The dorsal scapular nerve arises directly from the roots of the brachial plexus.