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
In case of severe burns, hemoglobin level may rise up to: 
Select and explain. 
A. 50%, B. 80%, C. 150%, D. 100%
C: 150%
Answer: C: 150% 
Explanation: Owing to the outpouring of fluid, there is remarkable concentration of blood. Thus, there is an immediate apparent increase in the number of red cells and the hemoglobin level (Hb level may rise to 150% in severe burns).