What prevents clotting of blood in blood vessels?
A. Serotonin
B. Fibrinogen
C. Heparin
D. Fibrin
Answer: Heparin
Body Fluids and Circulation NEET Questions –Set-4
1. What prevents clotting of blood in blood vessels?
2. Clumping of cells is known as _______
3. Which of the following is correct?
4. Antibiotics are useful against __________
5. Antigen presenting cells are _______
6. Which of the following plasma protein is involved in coagulation of blood?
7. In the clotting mechanism pathway, thrombin activates factors ___________
8. “Heart of heart” is ________
9. Which of the following has the thickest wall?