This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
ANCA is NOT associated with which of the following disease - 
Select and explain. 
A. Wegener's granulamatosis, B. Henoch schonlein purpura, C. Microscopic PAN, D. Churg Strauss syndrome
B: Henoch schonlein purpura
Answer: B: Henoch schonlein purpura 
Explanation: Ref - Researchgate.net