This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Otosclerosis, Subject name: ENT
[{'content': 'In otosclerosis the tympanogram is: \nSelect and explain. \nA. Low compliance, B. High compliance, C. Normal compliance, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Low compliance(Ref. Scott Brown, 8th ed., Vol 21071)The As type of curve in otosclerosis is low compliance and normal pressure type.High compliance, normal pressure type of curve is Ad, seen in ossicular discontinuity.Normal compliance, normal pressure is A type, i.e. normal curve.', 'role': 'assistant'}]