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
Amylnitrate is used in which of the following poisoning- 
Select and explain. 
A. Hydrocyanide poisoning, B. Red phosphorus, C. Yelow phosphorus, D. Arsenic poisoning
A: Hydrocyanide poisoning
Answer: A: Hydrocyanide poisoning 
Explanation: Amyl nitrite is used as an antidone in poisoning of hydrocyanic acid (cyanide).