Muscle stapedius is supplied by which nerve?: (A) VII Cranial nerve, (B) VIII Cranial nerv, (C) IX Cranial nerve, (D) X Cranial nerve
Answer is A. (A) VII Cranial nerve # Stapedius lies in a bony canal that is related to the posterior wall of the middle ear.> Stapedius is supplied by the facial nerve (VII CN).> It develops from the mesoderm of the second branchial arch.