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
Sensory nerve supply of the middle ear cavity is provided by 
Select and explain. 
A. Facial, B. Glossopharyngeal, C. Trigeminal, D. Vagus
B: Glossopharyngeal
Answer: B: Glossopharyngeal 
Explanation: Glossopharyngeal nerve -> Tympanic nerve/Tympanic plexus -> Middle ear
                                                                                                                Auditory tube
                                                                                                                Mastoid antrum