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: Unknown
A 7 years girl, parents gave history of fever for which she was treated with Paracetamol following which the fever subsided. Later she developed seizures and altered sensorium. The urine examination revealed oxalate crystals on microscopy, Blood anion gap and osmolality were increased. The diagnosis is: 
Select and explain. 
A. Lactic acidosis, B. Ethylene glycol poisoning, C. Renal tubular acidosis, D. Paracetamol poisoning
B: Ethylene glycol poisoning
Answer: B: Ethylene glycol poisoning 
Explanation: Ref: Harrison’s 18/e p367, 17/e p291
 

Ingestion of antifreeze causes high AG acidosis.
 Due to ethylene glycol and its metabolites oxalic acid, glycolic acid.
 Diagnosis is facilitated by presence of oxalate crystals in urine.