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 suffering from acute diarrhoea is brought to the casualty and is diagnosed as having severe dehydration with pH of 7.23. Serum Na– 125, Serum K– 3, HCO3– 16. The best I.V. fluid of choice is – \nSelect and explain. \nA. 3% Saline, B. N/3 Saline + 10% dextrose, C. Normal saline, D. N/3 saline + 5% dextrose', 'role': 'user'}, {'content': "Answer: C \nExplanation: The fluid used in severe dehydration\n\nBest IV fluid for severe dehydration is Ringer's lactate.\nAn ideal preparation would be Ringer's lactate with 5% added dextrose, However, it is not available.\nIf Ringer's lactate is not available, normal saline solution (0.9% NaCl ) can be used.", 'role': 'assistant'}]