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
[{'content': 'Which of the following condition is not associated with an increased anion gap? \nSelect and explain. \nA. Salicylate poisoning, B. Proximal A, C. Ethylene glycol poisoning, D. Lactic acidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Both proximal and distal A causes normal anion gap metabolic acidosis. Normal anion gap is 8 - 12 mEq/L. Conditions associated with increased anion gap acidosis are lactic acidosis, ketoacidosis, ingestion of toxins ( alcohol, ethylene glycol, methanol, isopropyl alcohol), acute and chronic renal failure.', 'role': 'assistant'}]