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
Amyl nitrite is used as antidote in which poisoning? 
Select and explain. 
A. Cyanide, B. Cholinesterase, C. Benzodiazepine, D. Barbiturate
A: Cyanide
Answer: A: Cyanide 
Explanation: Ans. is 'a' i.e., Cyanide