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: Unknown
[{'content': 'The affinity of oxygen for Hb increased with fall in pH. This is called as ? \nSelect and explain. \nA. Bain-Bridge effect, B. Bohr effect, C. Haldane effect, D. Herring effect', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Loading of CO2 causing unloading of °2 at tissue level is called Haldane effect. Herring Breur reflex is the prolongation of duration of expiration after increased inflation. This protects the lung from hyperinflation.', 'role': 'assistant'}]