What is the role of von Willebrand factor in the coagulation cascade?

A It acts as a cofactor for factor VIII ✓
B It inhibits the activity of factor X
C It enhances the binding of platelets to collagen
D It activates protein C

Explanation

Von Willebrand factor plays a crucial role in the coagulation cascade by acting as a cofactor for factor VIII, which is essential for the activation of factor X.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high