This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Pediatrics
[{'content': 'Treatment choice in severe dehydration is- \nSelect and explain. \nA. DNS 5%, B. Normal saline, C. DNS 10%, D. Ringer lactate', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Ringer lactate Fluids used in severe dehydration* Best IV fluid for severe dehydration is Ringer's lactate.* An ideal preparation would be Ringer's lactate with 5% added dextrose, However, it is not available.* If Ringer's lactate is not available, normal saline solution (0.9% NaCl) can be used.", 'role': 'assistant'}]