<prompt> Oral factor Xa inhibitor is:-Dabigatran etexilateRivaroxabanFondaparinuxBivalirudin  <response>: Option A: DABIGATRAM- THROMBIN inhibitor Option B: RIVAROXABAN- Xa inhibitor Option C: FONDAPARINUX: Ultra LMWH Option D :BIVALIRUDIN is a direct thrombin inhibitor 