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: Pathology
[{'content': 'α1 -antitrypsin deficiency is associated with - \nSelect and explain. \nA. Centriacinar emphysema, B. Panacinar-emphysema, C. Paraseptal-emphysema, D. Irregular-emphysema', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]