Increased 'anion gap' is not seen in-: (A) Salicylate poisoning, (B) Renal tubular acidosis, (C) Lactic acidosis, (D) Ethylene glycol poisoning
Answer is B. The most common causes of high anion gap metabolic acidosis are: ketoacidosis, lactic acidosis, renal failure, and toxic ingestions. Ketoacidosis can occur as a complication of type I diabetes mellitus (diabetic ketoacidosis), but can occur due to other disorders, such as chronic alcoholism and undernutrition. Ref Davidson 23rd edition pg 364