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: Pharmacology
[{'content': 'Which of the following serum levels of lithium is therapeutic ? \nSelect and explain. \nA. 0.1-0.4 mmol/L, B. 0.5-0.7 mmol/L, C. 0.8-1.1 mmol/L, D. L2-1.5 mmol/L', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 0.8-1.1 mmol/L Prophylactic level of lithium in bipolar disorder is 0.5-0.8 mEq/L and therapeutic level in acute mania is 0.8-1.2 mEq/L.", 'role': 'assistant'}]