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: Medicine
Normal anionic gap is seen in: March 2009 
Select and explain. 
A. Lactic acidosis, B. Diarrhea, C. Ketoacidosis, D. Methanol poisoningo
B: Diarrhea
Answer: B: Diarrhea 
Explanation: Ans. B: Diarrhea