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: Surgery
[{'content': 'Concentration of sodium in Ringer lactate in (meq/L) is \nSelect and explain. \nA. 154, B. 120, C. 130, D. 144', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Concentration of sodium in Ringer lactate is 130meq/L\nConcentration of sodium in Normal saline is 154meq/L', 'role': 'assistant'}]