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': 'Herring Breuer reflex is an increase in ? \nSelect and explain. \nA. Duration of inspiration, B. Duration of expiration, C. Depth of inspiration, D. Depth of expiration', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Duration of expirationThe Hering-Breuer inflation reflex is an increase in the duration of expiration produced by steady lung inflation, and the Hering-Breuer deflation reflex is a decrease in the duration of expiration produced by marked deflation of the lung.", 'role': 'assistant'}]