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: Pediatrics
[{'content': "A child was given Ringer's lactate due to severe blood loss by a road accident. What is the potassium content of Ringers' lactate in mEq/L? \nSelect and explain. \nA. 1, B. 2, C. 4, D. 6", 'role': 'user'}, {'content': "Answer: C \nExplanation: Composition in 1 Litre of Ringer's lactate: Sodium 130 mEq/L Potassium 4 mEq/L Calcium 3.5 mEq/L Chloride 110 mEq/L Lactate 27 mEq/L Ref: Oski's Pediatrics: Principles And Practice By Julia A. McMillan, Ralph David Feigin, 4th edition, Page 64.", 'role': 'assistant'}]