Question

Thrombokinase is produced in

• A. RBC
• B. WBC
• C. Blood vessels
• D. Blood clotting

Answer 1

The correct option is D Blood clotting

Thrombokinase is also known as thromboplastin. It is a complex enzyme which aids in clotting of blood. It is present in platelets and some body tissues. When the platelets aggregate at the site of injury, thrombokinase is released from platelets and damaged tissues. Thrombokinase converts prothrombin into thrombin which acts as an enzyme and converts fibrinogen into fibrin threads. The fibrin threads form a clot at the site of injury. Hence thrombokinase is produced in blood clotting.

So, the correct answer is 'Blood clotting'