What is the primary function of the protein thrombomodulin in the coagulation cascade?

A To activate factor X
B To bind to thrombin and activate protein C ✓
C To inhibit the activity of factor VIIa
D To enhance the activity of factor VIII

Explanation

Thrombomodulin binds to thrombin and activates protein C, which then inhibits the coagulation cascade.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high