Pharmacology Heparin, apart from releasing lipoprotein lipase in the blood exerts its anti-coagulant action by: A Binding to calcium B Inhibiting fibrinogen synthesis C Inhibiting prothrombin synthesis D Inhibiting thrombin synthesis 💡 Explanation Heparin, apart from releasing lipoprotein lipase in the blood exerts its anti-coagulant action by: ✓ Correct Answer: D. Inhibiting thrombin synthesis