Surgery A hemophilia B patient needs a major surgery. Factor replacement should be done at what rate: A 80-100 units/ kg every 12 hours B 80-100 units/kg every 24 hours C 60 units/kg every 12 hours D 80-100 units/kg every 6 hours 💡 Explanation A hemophilia B patient needs a major surgery. Factor replacement should be done at what rate: ✓ Correct Answer: B. 80-100 units/kg every 24 hours