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': 'Bernad-Soulier syndrome is a defect in platelet \nSelect and explain. \nA. Aggregation, B. Adhesion, C. Morphology, D. Release reaction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bernad-Soulier syndrome is a defect in platelet adhesion defect with gp Ib / IX defect.', 'role': 'assistant'}]