<prompt> Which of the following anticoagulants is an oral direct Xa inhibitor?FondaparinuxDabigatranRivaroxabanLepirudin  <response>: Drugs ending with XABAN are Xa inhibitor. Rivero XABAN ApiXABAN Edo XABAN BefXABAN Dabigatran:- Direct Thrombin inhibitor Only oral agent in ClassDTI Can reverse with Idarucizumab Fondaparinux :- LMWH which acts only on Factor Xa Lepirudin:- Direct Thrombin Inhibitor 