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

A To activate factor VII
B To stabilize factor VIII and facilitate platelet adhesion ✓
C To inhibit the activity of thrombin
D To enhance the activation of factor XII

Explanation

Von Willebrand factor plays a crucial role in stabilizing factor VIII and facilitating platelet adhesion to the damaged vascular wall, thus initiating the coagulation cascade.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high