What is the primary function of the von Willebrand factor in blood?

A To facilitate the aggregation of platelets at the site of injury
B To regulate the coagulation cascade by inhibiting factor Xa
C To transport lipids throughout the body
D To remove antibody-coated pathogens from the circulation
The von Willebrand factor plays a crucial role in the initiation of hemostasis by facilitating platelet adhesion and aggregation at the site of vascular injury.
Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high