Physiological reaction of edema on vital pulp.. Increase blood preasure NIL NAM May 23, 2023 Physiological reaction of edema on vital pulp: a. Decrease tissue fluid by decompression of blood vessel. b. Increase blood preasure.*** c. Necrosis of pulp due to hyperoxia and anaryxia. Share This: Facebook Twitter Google+ Stumble Digg