Mini-dose heparin has been shown to be useful in the prophylaxis of postoperative venous thrombosis. Mechanism(s) by which low-dose heparin is/are thought to protect against venous thrombosis include:
A. Enhancement of antithrombin III activity
B. A decrease in thrombin availability
C. Inhibition of platelet aggregation and subsequent platelet release action
D. A mild prolongation of activated partial thromboplastin time
Answer:A
Mini-dose heparin has been shown to be useful in the prophylaxis of postoperative venous thrombosis. Mechanism(s) by which low-dose heparin is/are thought to protect against venous thrombosis include:
A. Enhancement of antithrombin III activity B. A decrease in thrombin availability C. Inhibition of platelet aggregation and subsequent platelet release action D. A mild prolongation of activated partial thromboplastin time