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': 'What is the most impoant role of bradykinin in acute inflammation - \nSelect and explain. \nA. Increase in vascular permeability, B. Vasodilatation, C. Mediation of pain, D. Bronchoconstriction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Increased vascular permeabilityBradykinin produces all four effects given in options (a to d).0 However, the most impoant effect related to acute inflammation is increased vascular permeability. "The hallmark of acute inflammation is increased vascular permeability" - Robbin\'s', 'role': 'assistant'}]