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: Anaesthesia
[{'content': 'Trendelenberg position produces decrease in all of the following except- \nSelect and explain. \nA. Vital capacity, B. Functional residual capacity, C. Compliance, D. Respiratory rate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Respiratory rate', 'role': 'assistant'}]