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: Unknown
All are contents of the middle ear except: 
Select and explain. 
A. Stapedius, B. Tensor tympani, C. Facial nerve, D. Chorda tympani
C: Facial nerve
Answer: C: Facial nerve 
Explanation: All the other structures with the tympanic plexus is described as contents of the middle ear cavity
The facial nerve is described as a part of the medial and posterior wall of the tympanic cavit