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: Pediatrics
[{'content': 'A six-year-old child is admitted to the Paediatric ICU for seizures. He has been on treatment with Tacrolimus and Prednisolone. On investigations his blood urea is 68 mg/dl, Serum Sodium is 136 meq/l likely cause of his seizures – \nSelect and explain. \nA. Uremia, B. Hyponatremia, C. Hypocalcemia, D. Tacrolimus Toxity', 'role': 'user'}, {'content': "Answer: D \nExplanation: Tacrolimus neurotoxicity is an established cause for 'seizures' and the most likely reason for seizures in this child.\nIn hyponatremia, seizures usually develop when sodium levels decrease below 125 meq/L.\nIn hypocalcaemia, seizures develop when calcium level is below 6 mg/dl.\nUremic seizures occur late after delirium, hallucinations and agitation.", 'role': 'assistant'}]