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
Henoch Schonlein Purpura presents with deposition of 
Select and explain. 
A. IgG, B. IgM, C. IgA, D. IgE
C: IgA
Answer: C: IgA 
Explanation: Answer is C (IgA) The most common class of antibodies deposited in immune complexes of Henoch Schonlein Purpura is IgA.