Deep branch of ulnar nerve innervates:: (A) I and II lumbricals, (B) Palmaris brevis, (C) Dorsal interossei, (D) Opponens pollicis
Answer is C. There are twenty muscles in hands of which all are supplied by the ulnar nerve except the following five muscles which are supplied by median nerve:
1 Abductor pollicis brevis
2. Flexor pollicis brevis (also often receives additional supply from the deep branch of ulnar nerve)
3. Opponens pollicis
4. First lumbrical
5. Second lumbrical
Note: Palmaris brevis is supplied by superficial branch of ulnar nerve. All interossei are supplied by deep branch of ulnar nerve.