This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System, Subject name: Physiology
[{'content': 'Hering 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. (b) Duration of expiration(Ref: Ganong, 25th ed/p.658)Hering-Breuer inflation reflex response consists of,#Slowing of respiratory frequency#Increase in duration of expiration#Bronchodilation#Increased heart rate#Slight vasoconstriction', 'role': 'assistant'}]