<prompt> Which among the following is an impoant step in acute inflammation?VasoconstrictionVascular stasisVasodilation and increased vascular permeabilityMargination of leukocytes  <response>: Stages of acute inflammation:Vasodilation after a transient vasoconstriction Increased vascular permeabilityMovement of white blood cells from blood vessels into soft tissue at the site of inflammation: The steps required are rolling, pavementing, and transmigration. Chemotaxis is the process by which white blood cells are drawn to the site of acute inflammation.Ref: Wyatt C., Kemp W.L., Moos P.J., Burns D.K., Brown T.G. 2008. Chapter 2. Inflammation and Repair. In C. Wyatt, W.L. Kemp, P.J. Moos, D.K. Burns, T.G. Brown Eds, Pathology: The Big Picture. 