Physiology Cardiovascular system 1eccf846 Thromboxane A2 causes A Vasodilatation and platelet aggregaion B Vasodilatation and anti platelet aggregatory C Vasoconstriction and anti platelet aggregatory D Vasoconstriction and platelet aggregaion High-Yield Explanation Thromboxane A2 secreted by platelets promotes platelet aggregation and vasoconstriction Ref: Ganong's Review of Medical Physiology Twenty-Third Edition Page No:563