Cranial pa of accessory nerve supplies: (A) Sternocleidomastoid, (B) Trapezius, (C) Levator scapulae, (D) Levator palatini
Answer is A. Sternocleidomastoid and trapezius develop from branchial arch mesoderm and are supplied by spinal pa of the accessory nerve. Levator scapulae are supplied by a branch from dorsal scapular nerve and branches from C3, C4. BD Chaurasia 7th edition Page no: 65