<prompt> First to appear in acute inflammation is ?VasodilatationIncreased vascular permeabilityVasoconstrictionDecreased vascular permeability  <response>: The sequence of events in acute inflammation is: Transient vasoconstriction --- Vasodilatation --- Increased permeability followed by Stasis Reference: Robbins and Cotran Pathologic Basis of Disease; 9th edition. 