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
[{'content': 'Most characteristic features of Acute Inflammation is: \nSelect and explain. \nA. Vasoconstriction, B. Vascular stasis, C. Vasodilation and incresed vascular permeability, D. Margination of leukocytes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vasodilation and incresed vascular permeability', 'role': 'assistant'}]