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 vasculities seen in - 
Select and explain. 
A. Capillaries, B. Arterioles, C. Post capillary venules, D. Medium sized vessels
C: Post capillary venules
Answer: C: Post capillary venules 
Explanation: None