This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'A ten year old boy presents to the pediatric emergency unit with seizures. Blood pressure in the upper extremity measured as 200/140 mm Hg. Femaral pulses were not palpable. The most likely diagnosis amongst the flollowing is \nSelect and explain. \nA. Takayasu aooaeritis, B. Renal parenchymal disease, C. Grandmal seiures, D. Coarcctation of aoa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In coarctation of aoa there will be radiofemoral delay. Ref : Ghai essential of pediatrics, eighth edition,p.no:432', 'role': 'assistant'}]