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 ten year old boy presents to the pediatric emergency unit with seizures. Mood pressure in the upper extremity measured as 200/140 mm Hg. Femoral pulses were not palpable. The most likely diagnosis amongst the following is – \nSelect and explain. \nA. Takayasu aortoarteritis, B. Renal parenchymal disease, C. Grandmal seiures, D. Coarctation of aorta', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Isolated upper extremity hypertension (200/140 mm Hg), together with absent/diminished femoral pulses is a characteristic feature of coarction of aorta.', 'role': 'assistant'}]