This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which one of the following blood fractions is stored at - 40degC?- 
Select and explain. 
A. Cryprecipitate, B. Human albumin, C. Platelet concentrate, D. Packed red cells
A: Cryprecipitate
Answer: A: Cryprecipitate 
Explanation: Ans. is 'a' i.e., Cryprecipitate