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
In Wegener's granulomatosis cytoplasmic anti neutrophilic antibodies are directed against - 
Select and explain. 
A. Proteinase 1, B. Proteinase 2, C. Proteinase 3, D. Proteinase 4
C: Proteinase 3
Answer: C: Proteinase 3 
Explanation: None