What is the primary function of von Willebrand factor in the coagulation cascade?

A To activate factor X
B To bind and stabilize factor VIII
C To inhibit the activity of thrombin
D To promote platelet adhesion and aggregation ✓

Explanation

Von Willebrand factor plays a crucial role in promoting platelet adhesion and aggregation at the site of injury, which is essential for the formation of a hemostatic plug.

Source

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