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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A most characteristic feature of acute in
assistant
The correct answer is  Acute inflammation has three major steps: -
Among these three major steps “The hallmark of acute inflammation is increased vascular permeability leading to escape of protein-rich fluid (exudates) into the extravascular tissue”.
Mechanism of increased vascular permeability
i. Formation of endothelial gaps in venules
ii. Direct endothelial injury resulting in endothelial cell necrosis and detachment.
iii. Delayed prolonged leakage
iv. Leucocyte mediated endothelial injury.