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: Physiology
[{'content': 'Pulmonary function abnormalities in interstitial lung diseases include all of the following except: \nSelect and explain. \nA. Reduced vital capacity, B. Reduced FEV1/FVC ratio, C. Reduced diffusion capacity, D. Reduced total lung capacity', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Reduced FEV1/FVC ratio', 'role': 'assistant'}]