The nerve labeled B in the diagram arises from which plexus?
A)cervical plexus
B)brachial plexus
C)lumbar plexus
D)sacral plexus
E)coccygeal plexus

Question

The nerve labeled B in the diagram arises from which plexus? 
A)cervical plexus 
B)brachial plexus 
C)lumbar plexus 
D)sacral plexus 
E)coccygeal plexus

Quizplus · Accepted Answer

The nerve labeled B in the diagram represents the axillary nerve, which arises from the brachial plexus. The brachial plexus is a network of nerves that originates from the cervical and thoracic spinal nerves and supplies the upper limb. The other options (cervical, lumbar, sacral, and coccygeal plexus) do not give rise to the axillary nerve.

The Nerve Labeled B in the Diagram Arises from Which