Question

What prevents clotting of blood in blood vessels?

• A. Serotonin
• B. Fibrinogen
• C. Heparin
• D. Fibrin

Answer 1

Answer:

C. Heparin

• Heparin is used as an anticoagulant.

• It inhibits reactions that lead to the clotting of blood and the formation of fibrin clots both in vitro and in vivo.