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': 'Under physiological conditions heat acclimatization is accomplished WE. \nSelect and explain. \nA. Decreased Renal Blood Flow, B. Increased urine sodium, C. Increased aldosterone secreti on, D. Excessive sweating', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Increased urine sodium', 'role': 'assistant'}]