This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Half life of factor 8 
Select and explain. 
A. 4 hrs, B. 8 hrs, C. 24 hrs, D. 30 hrs
B: 8 hrs
Answer: B: 8 hrs 
Explanation: Factor VIII is also called as anti hemophilic factor Its half life is 8-12 hrs Ref: Harrison's 19th edition Pgno :138