Question

multiple choice question
the presence of a compound called ______ inhibits adherence of platelets to endothelial cells lining blood vessel walls.
antithrombin
prostacyclin
heparin

Explanation:

Prostacyclin is a compound that inhibits platelet - endothelial cell adhesion. Antithrombin inhibits thrombin and other serine proteases in the coagulation cascade, and heparin enhances the activity of antithrombin.

Answer:

B. prostacyclin