<prompt> Ulnar nerve supplies all except -FCU1st lumbrical4th lumbricalDorsal interossei  <response>: Ans. is b i.e., 1st lumbrical o Various branches of ulnar nerve areA In arm: No branch.B In forearm: There are following branches :-Muscular: In proximal part of forearm it supplies flexor carpi ulnaris and medial half of flexor digitorum profundus.Cutaneous : There are two cutaneous branches in forearm:-Palmar cutaneous branch : Supplies skin over the hypothenar eminence.Dorsal posterior cutaneous branch : Supplies skin over medial 13 of dorsum of hand and dorsal surface of medial 1V2 fingers.C In hand : Ulnar nerve enters the palm by passing superficial to flexor retunuculum and divides into two terminal branches :-Superficial terminal branch : It supplies palmaris brevis and skin of palmar surface of medial 1 12 fingers.Deep terminal branch : It supplies adductor pollicis, all interossei, medial two 3rd 4th lumbricals and all hypothenar muscles except palmaris brevis i.e. abductor digiti minimi, flexor digiti minimi, opponens digiti minimi. 