This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, 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: *There are small fat bodies located inferomedial 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 the middle ear*These fat pads are absent in patulous tube syndromeRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 62', 'role': 'assistant'}]