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: Physiology
The half life of plasma albumin is approximately 
Select and explain. 
A. 7 days, B. 20 days, C. 60 days, D. 90 days
B: 20 days
Answer: B: 20 days 
Explanation: None