Q.

Regarding the brachial plexus, which is INCORRECT?

A. it is derived from the anterior rami of C5-T1 after they have given off segmental supply to the prevertebral and scalene muscles
B. the roots give off three branches including the long thoracic nerve to latissimus dorsi
C. the trunks give off one branch
D. the cords are divided into anterior and posterior divisions that supply the flexor and extensor compartments respectively and give off 13 branches
E. the lateral cord supplies part of the median nerve
Answer» B. the roots give off three branches including the long thoracic nerve to latissimus dorsi
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