A patient with hemophilia A is treated with recombinant factor VIII. What is the primary mechanism by which this treatment increases the patient's factor VIII activity?

A Stimulation of factor VIII production by the liver
B Inhibition of factor VIII inhibitors
C Replacement of defective factor VIII with functional recombinant factor VIII ✓
D Enhancement of factor VIII half-life

Explanation

Recombinant factor VIII replaces the defective factor VIII in patients with hemophilia A, increasing their factor VIII activity and reducing the risk of bleeding.

Source

Hematology journal article
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Hard MEDICAL Confidence: high