<prompt> Mechanism of action of apixaban is:-Inhibition of factor XaInhibition of thrombinStimulation of antithrombinVitamin K antagonism  <response>: Apixaban is factor XA blocker. Other XA blockers are:-xaban Rivaroxaban Edoxaban Batrixaban Indirect thrombin inhibitor like heparin act by stimulating anti-thrombin 3. Vitamin K antagonists are warfarin, acenocoumarin, bis-hydroxycoumarin. 