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
Cyanide poisoning causes: AFMC 10 
Select and explain. 
A. Histotoxic anoxia, B. Anoxic anoxia, C. Anemic anoxia, D. Stagnant anoxia
A: Histotoxic anoxia
Answer: A: Histotoxic anoxia 
Explanation: Ans. Histotoxic anoxia