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 innervation of the tensor tympani muscle is ? 
Select and explain. 
A. Vagus nerve, B. Mandibular (Trigeminal) nerve, C. Facial nerve, D. Maxillary nerve
B: Mandibular (Trigeminal) nerve
Answer: B: Mandibular (Trigeminal) nerve 
Explanation: Stapes is the smallest bone & stapedius is the smallest muscle in the bodyQ