ENT Ear bd3c1507 Stapedius is supplied by: A Maxillary nerve B Facial nerve C Auditory nerve D Mandibular nerve High-Yield Explanation (b) Facial nerve(Ref Scott Brown, 8th ed., Vol 2, page 580)The stapedius muscle is a second arch derivative and therefore is supplied by the nerve of the 2nd arch, i.e. facial nerve.