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
Volume of interstitial fluid in a normal adult 
Select and explain. 
A. 5L, B. 10L, C. 15L, D. 20L
B: 10L
Answer: B: 10L 
Explanation: 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