First dorsal interosseous muscle of hand is supplied by: (A) Deep branch of ulnar nerve, (B) Superficial branch of ulnar nerve, (C) Median nerve, (D) Radial nerve
Answer is A. Deep branch of ulnar nerve supplies all the 4 dorsal interossei muscles.Superficial branch of ulnar nerve supplies the palmaris brevis muscle.Median nerve supplies the muscles of thenar eminence.Radial nerve have no supply to any intrinsic muscle of hand.B D Chaurasia 7th edition Page no: 182