Which of the following agents inhibits factor Xa in-vivo?
- Aprotinin – pancreatic trypsin inhibitor
- Epsilon aminocaproic acid – synthetic inhibitor of the plasmin-plasminogen system
- Rivaroxaban – free Xa & Xabound in complex inhibits
- Tranexamic acid – binds lysine on plasminogen and presvents it being converted to plasmin