This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Cardinal event of acute inflammation 
Select and explain. 
A. Vasoconstriction, B. Stasis of Circulation, C. Vasodilatation and| vascular permeability, D. Margination of leukocytes
C: Vasodilatation and| vascular permeability
Answer: C: Vasodilatation and| vascular permeability 
Explanation: .