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

A To activate platelets
B To stabilize factor VIII ✓
C To inhibit fibrinolysis
D To promote erythropoiesis

Explanation

Von Willebrand factor is a protein that plays a critical role in blood clotting by stabilizing factor VIII and facilitating platelet adhesion to the site of injury.

Source

Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high