What is the most impoant role of bradykinin in acute inflammation-
Functions of Bradykinin: Increases vascular permeability Contraction of smooth muscles Dilation of the blood vessels Pain when injected into the skin Out of these actions of bradykinin, the increase in vessel permeability is a better answer as it is the hallmark of acute inflammation ref robbins9th ed page 52
Increase in vascular permeability
Vasodilatation
Mediation of pain
Bronchoconstriction
General pathology