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 antidote 
Select and explain. 
A. Sodium nitrite, B. Sodium thiosulfate, C. Sodium bicarbonate, D. Sodium gluconate
A: Sodium nitrite
Answer: A: Sodium nitrite 
Explanation: Cyanide Antidotes :

Eli lilly antidote.
Sodium nitrite,Amyl nitrite,Sodium thoisulphate.
Cyanokit(Hydroxycobalamin).
Kdocyanor(Dicobalt edetate).