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: Unknown
The type of ANCA most commonly associated with Wegner&;s granulomatosis- 
Select and explain. 
A. cANCA, B. pANCA, C. Both, D. None
A: cANCA
Answer: A: cANCA 
Explanation: Ans. is A cANCA It has 75% cANCA 10-15 % pANCA ANCA cANCA pANCA o Wegener's granulomatosis o Microscopic polyangiitis o Churg-Strauss syndrome o Idiopathic crescentic glomerulonephritis o Goodpasteur's syndrome, o pANCA's are also associated with certain non- vasculitic entities such as certain rheumatic and nonrheumatic autoimmune diseases. Inflammatory bowel diseases, certain drugs, - infections such as endocarditis and bacterial airway infection in patients with cystic fibrosis.