What is the primary role of blood component glycoprotein Ib in platelet function?

A To facilitate platelet adhesion to the subendothelium ✓
B To regulate platelet activation and aggregation
C To inhibit platelet adhesion and promote bleeding
D To enhance fibrinolysis and prevent thrombosis

Explanation

Glycoprotein Ib is a receptor on platelets that binds to von Willebrand factor, facilitating platelet adhesion to the damaged vascular endothelium.

Source

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