This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
[{'content': 'All of the following cause high anion gap metabolic acidosis except- \nSelect and explain. \nA. Lactic acidosis, B. Salicylats poisoning, C. Ethylene glycol poisoning, D. Ureterosigmoidostomy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Uretrosigmoidostomy causes normal anion gap(AG) metabolic acidosis. *Causes of High-Anion Gap Metabolic Acidosis *Lactic acidosis *Ketoacidosis Diabetic. Alcoholic. Starvation * Renal failure (acute and chronic)', 'role': 'assistant'}]