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': 'Increased osmolar gap is not seen in poisoning of- \nSelect and explain. \nA. Para-aldehyde, B. Acetones, C. Methanol, D. Ethylene glycol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Causes of High-Anion Gap Metabolic Acidosis *Lactic acidosis * Toxins *Ketoacidosis * Ethylene glycol Diabetic * Methanol Alcoholic * Salicylates Starvation * Propylene glycol *Pyroglutamic acid (5-oxoproline) *Renal failure (acute and chronic) reference : harrisons principles of internal medicine,19 E , page 318', 'role': 'assistant'}]