Question

Blood clot is mainly due to

• A. Plasma and RBC
• B. Plasma and thrombocytes
• C. Heparin and corpuscles
• D. Fibrin and corpuscles

Answer 1

Answer: (D)

Fibrin and corpuscles

The presence of calcium and other clotting factors, Factor X activates an enzyme called prothrombin activator. The enzyme prothrombin activator then converts plasma protein prothrombin into thrombin. Thrombin is the enzyme which in turn converts fibrinogen into fibrin. Polymerized fibrin together with platelets(corpuscles) forms a clot at the wound site. Hence blood clot is mainly due to fibrin and corpuscles.

So the correct answer is 'Fibrin and corpuscles'.