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: Forensic Medicine
Percentage of COHb that usually causes death: NEET 13 
Select and explain. 
A. > 50%, B. > 60%, C. > 70%, D. > 80%
C: > 70%
Answer: C: > 70% 
Explanation: Ans. > 70%