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': 'Coarctation of aoa is most commonly associated with: \nSelect and explain. \nA. PDA, B. Bicuspid aoic valve, C. Aoic stenosis, D. VSD', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The most common associated cardiac anomaly with coarctation of aoa is bicuspid aoic valve. Ref: Harrison 17th Edition, Page 1462', 'role': 'assistant'}]