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
Increased anion gap acidosis is seen in - 
Select and explain. 
A. DKA, B. A, C. ADD, D. Organic aciduria
A: DKA
Answer: A: DKA 
Explanation: Causes of High-Anion Gap Metabolic Acidosis *Lactic acidosis *Ketoacidosis Diabetic Alcoholic Starvation *Renal failure (acute and chronic) *toxins: ethylene glycol methanol salicylates propylene glycol pyroglutamic acid (Ref: Harrison's principles of internal medicine,18E , pg 365)