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 tensor tympani muscle is inseed to the handle of malleus. The nerve supply to tensor tympani is: 
Select and explain. 
A. Vagus nerve, B. Glossopharyngeal nerve, C. Trigeminal nerve, D. Facial nerve
C: Trigeminal nerve
Answer: C: Trigeminal nerve 
Explanation: The motor pure branches of mandibular division of trigeminal nerve:Masseteric nerve (masseter muscle)Deep temporal nerves (temporalis muscle)Pterygoid nerves (pterygoid muscles)Nerve of the tensor tympani muscleNerve to the tensor veli palatini muscleRef: Keith L Moore, 7th Edition, Page 207.