What is the role of Protein S in the coagulation cascade?

A It serves as a cofactor for Protein C ✓
B It activates Factor X
C It inhibits the tissue factor pathway
D It enhances the activity of Factor VIII

Explanation

Protein S acts as a cofactor for activated Protein C, helping to degrade Factors Va and VIIIa and thus regulating the coagulation cascade.

Source

Hematology textbooks
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high