This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Volume of interstitial fluid in a normal adult \nSelect and explain. \nA. 5L, B. 10L, C. 15L, D. 20L', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In a 70 kg man ,60%of body weight is due to water ,about 42 L .of this 10 L is present ias Interstitial fluid Ref.Textbook of physiology AK Jain 5th edition page no.24 table 1.3.2', 'role': 'assistant'}]