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
α1 -antitrypsin deficiency is associated with - 
Select and explain. 
A. Centriacinar emphysema, B. Panacinar-emphysema, C. Paraseptal-emphysema, D. Irregular-emphysema
B: Panacinar-emphysema
Answer: B: Panacinar-emphysema 
Explanation: None