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
Carbon monoxide poisoning causes: JIPMER 11; AIIMS 14 
Select and explain. 
A. Anemic hypoxia, B. Histotoxic hypoxia, C. Anoxic hypoxia, D. Stagnant hypoxia
A: Anemic hypoxia
Answer: A: Anemic hypoxia 
Explanation: Ans. Anemic hypoxia