This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Muscle stapedius is supplied by which nerve? 
Select and explain. 
A. VII Cranial nerve, B. VIII Cranial nerv, C. IX Cranial nerve, D. X Cranial nerve
A: VII Cranial nerve
Answer: A: VII Cranial nerve 
Explanation: (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.