Question

In the clotting mechanism pathway, thrombin activates factors ____________.

• A. VIII, X, V
• B. XI, VIII, X
• C. XI, IX, X
• D. XI, VIII, V

Answer 1

The correct option is D XI, VIII, V

Thrombin is the principal enzyme of hemostasis. It catalyzes the conversion of fibrinogen to fibrin and activates procoagulant factors V, VIII, XI, and XIII.

So, the correct answer is 'XI, VIII, V'.