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: Medicine
[{'content': 'Which of the following disease is more common in patients with alfa 1 antitrypsin deficiency? \nSelect and explain. \nA. Good pasteurs syndrome, B. Microscopic PAN, C. Wegeners granulamatosis, D. Churg -strauss syndrome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alfa 1 antitrypsin is an inhibitor of proteinase 3. Antiproteinase antibodies are seen in Wegeners granulamatosis. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 2343', 'role': 'assistant'}]