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
Alpha-1-antitrypsin deficiency occurs in 
Select and explain. 
A. Bronchiectasis, B. Emphysema, C. Empyema, D. Bronchogenic carcinoma
B: Emphysema
Answer: B: Emphysema 
Explanation: • Alpha 1 anti trypsin deficiency is associated with panacinar emphysema.