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
Anion gap is increased in all except: September 2009 
Select and explain. 
A. Ureterostomy, B. Ethylene glycol, C. Methylene glycol, D. Diabetic ketoacidosis
A: Ureterostomy
Answer: A: Ureterostomy 
Explanation: Ans. A: Ureterostomy