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
Hypersensitivity vasculitis is seen in- 
Select and explain. 
A. Postcapillary venules, B. Aerioles, C. Veins, D. Capillaries
A: Postcapillary venules
Answer: A: Postcapillary venules 
Explanation: Ans. is 'a' i.e., Postcapillary venules