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
Blood clot the size of a clenched first is roughly equal to - 
Select and explain. 
A. 250 ml, B. 350 ml, C. 500 ml, D. 600 ml
C: 500 ml
Answer: C: 500 ml 
Explanation: None