Musculocutaneous nerve is a branch of: (A) Root of brachial plexus, (B) Lateral cord of brachial plexus, (C) Medial cord of brachial plexus, (D) Posterior cord of brachial plexus
Answer is B. REF.BDC VOL.1,FIFTH EDITION.pg.88 The musculocutaneous nerve is the main nerve of the front of the arm and continues below the elbow as the lateral cutaneous nerve of the forearm.It is a branch of the lateral cord of the brachial plexus,arising at the lower border of the pectoralis minor in the axilla.