This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The facial nerve supplies motor fibers to which of the following muscles? 
Select and explain. 
A. Stapedius, B. Mylohyoid, C. Anterior belly of the digastric, D. Geniohyoid
A: Stapedius
Answer: A: Stapedius 
Explanation: The facial nerve innervates muscles that develop from the second branchial arch, which includes the stapedius. This muscle is impoant in dampening loud sounds and is located in the middle ear cavity.Ref: Color atlas and textbook of human anatomy, Volume 3, 5th Ed By Werner Kahle, Michael Frotscher