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
Dicobalt EDTA is used for treating a poisoning case effectively. Which of the following poisoning is treated by dicobalt EDTA? 
Select and explain. 
A. Cyanide, B. Sulfuric acid, C. Nitric acid, D. H2S
A: Cyanide
Answer: A: Cyanide 
Explanation: aerobic utilization of oxygen. Dicobalt EDTA acts by chelating cyanide to form a harmless product that is excreted in the urine. Cobalt EDTA and aminophenols are more rapid in action, efficacious, and less toxic than nitrites. Ref: The essentials of forensic medicine and toxicology by Narayan Reddy, 27th edition, Page 560.