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: Surgery
Sodium content of one litre of isotonic saline is - 
Select and explain. 
A. 140 mEq, B. 154 mEq, C. 40 mEq, D. 70 mEq
B: 154 mEq
Answer: B: 154 mEq 
Explanation: None