This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vasculitis, Subject name: Pathology
Polyaeritis nodosa does not involve: 
Select and explain. 
A. Pulmonary aery, B. Bronchial aery, C. Renal aery, D. Cerebral aery
A: Pulmonary aery
Answer: A: Pulmonary aery 
Explanation: Polyaeritis nodosa (PAN) is a systemic vasculitis of small or medium-sized muscular aeries, typically involving renal and visceral vessels but sparing the pulmonary circulation. The most prominent morphologic feature of the affected aery is an area offibrinoid necrosis