<prompt> Which of the following is a Direct thrombin inhibitors?LepirudinArgatrobanBivalirudinAll of the above  <response>: Ans. D. All of the aboveDirect thrombin inhibitorsMechanism of action: Thrombin inhibitionExample:a. Lepirudinb. Argatrobanc. Bivalirudind. Ximelagatrane. Dabigatran oral drug. 