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 characteric features of acture inflammation is - \nSelect and explain. \nA. Vasoconstriction, B. Vascular stasis, C. Vasodilati on and increased vascular permeability, D. Margination of leukocytes', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Vasodilatation and increased vascular permeability o The hallmark of acute inflammation is increased vascular permeability leading to escape of protein rich fluid (exudate) into the extravascular tissue", 'role': 'assistant'}]