This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Flow Volume curve, Spirometry and DLCO, Subject name: Medicine
[{'content': 'What will be the effect on spirometry in case of lobectomy done for bronchogenic carcinoma? \nSelect and explain. \nA. Increased residual volume, B. Increased vital capacity, C. Increased dead space ventilation, D. Increased closing volume', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In case of lobectomy, since the remaining lung tissue is lesser, all parameters like vital capacity, residual volume and closing volume will reduce. Hence, due to hypoxic stimulus post-operative patients of lobectomy will take rapid shallow breaths. This will lead to increased Dead space ventilation.', 'role': 'assistant'}]