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
c-ANCA is characteristic for - 
Select and explain. 
A. Polyarteritis Nodosa, B. R.P.G.N, C. Henoch's Schonlein Purpura, D. Wegeners granulomatosis
D: Wegeners granulomatosis
Answer: D: Wegeners granulomatosis 
Explanation: None