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: ENT
[{'content': 'Ostmann fat pad is related to ? \nSelect and explain. \nA. Ear lobule, B. Buccal mucosa, C. Eustachian tube, D. Tip of nose', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Eustachian tube There are small fat bodies located infermedial to Eustachian tube. These are called Ostmann fat pads. They are impoant in normal closure of eustachian tube and preventing transmission of nasopharyngeal pressure to middle ear. These fat pads are absent in Patulous tube syndrome.", 'role': 'assistant'}]