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
Muscle biopsy in PAN shows - 
Select and explain. 
A. Necrotising arteritis, B. Atrophy, C. Granulomatous lesions, D. Ring lesions
A: Necrotising arteritis
Answer: A: Necrotising arteritis 
Explanation: None