This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood: Hemostasis and Blood Coagulation, Subject name: Physiology
Half life of factor VIII - 
Select and explain. 
A. 2-4 hours, B. 8-12 hours, C. 6 minutes, D. 60 days
B: 8-12 hours
Answer: B: 8-12 hours 
Explanation: Ans. is 'b' i.e., 8-12 hours o Half life of various clotting factors (in hours) :-* Firinogen - 100-150# Factor III -6# Factor X - 45-52* Prothrombin -60# FactorVIII-8-12# FactorXI -48-84* Factor V-24# Factor IX - 24# Factor XII - 150 # WVF-30