This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Stapedius is supplied by: 
Select and explain. 
A. Maxillary nerve, B. Facial nerve, C. Auditory nerve, D. Mandibular nerve
B: Facial nerve
Answer: B: Facial nerve 
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.