This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding Disorders, Subject name: Pathology
vWF is useful in: 
Select and explain. 
A. Platelet adhesion, B. Platelet aggregation, C. Clot formation, D. Fibrinolysis
A: Platelet adhesion
Answer: A: Platelet adhesion 
Explanation: Ans. (a) Platelet adhesion(Ref: Robbins 9th/pg 661)2 major functions of vWF are: Platelet adhesion via GpIb/IX and Stabilizes factor VIII in circulation