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': 'Prophylactic plasma concentration range of lithium in mEq does not include - \nSelect and explain. \nA. 0.5, B. 0.8, C. 0.6, D. 1', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 1.0 Different serum concentrations have different effect : - Therapeutic level - 0.8-1.2 mEq/L (For t/t ofacute mania) Prophylactic level - 0.5-0.8 mEq/L (For relapse prevention in bipolar disorder) Toxic lithium levels > 2.0 mEq/L", 'role': 'assistant'}]