This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, 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: A \nExplanation: 0.5-1mEq /lit is the therapeutic plasma concentration of lithium. Ref KD Trip[ati 8th ed', 'role': 'assistant'}]