<prompt> Muscle stapedius is supplied by which nerve?VII Cranial nerveVIII Cranial nervIX Cranial nerveX Cranial nerve  <response>: 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. 