<prompt> Which of the follow ing causes decrease in BP -Thromboxane A2VasopressinNOPGF2  <response>: Ans. is c i.e, NOo Substances which cause vasodilatation, can cause fall in BP.o Substances which cause vasoconstriction, can cause rise in BP.Vasodilators cause decrease in BPVasoconstrictors casue increase in BPo Kinins Bradykinino PGEL,o PGI, Prostacyclino VTPo ANPo Nitric oxide NOo Adrenaline Noradrenalineo ADM Vasopressino Angiotensin IIo Endothelinso PGF2o Thromhoxane-A, 