Mechanism of action of tranexamic acid is -
Decrease vascular permeability
Smooth muscle contraction
Activates Plasmin formation
Prevents fibrinolysis
Ans. is 'd' i.e., Prevents fibrinolysis o Tranexamic acid binds to the lysine binding sites on plasminogen and prevents its combination with fibrin and thus prevents fibrinolysis.
Antiplatelets and Fibrinolytics