This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System Pa 1, Subject name: Physiology
[{'content': 'Pulmonary function changes seen in Emphysema are A/E:- \nSelect and explain. \nA. | TLC, B. | RV, C. | FEV1, D. | DV/DP', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Emphysema: Destruction of alveolar septa leads to increase in compliance (C= DV/DP) Emphysema increase airway resistance & work of breathing difficulty in exhaling air due to compression of bronchioles leads to eventual increase RV & increase TLC (barrel chest). FEV1 and FVC =reduced in emphysema.', 'role': 'assistant'}]