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: Pharmacology
Drug used in the treatment of Scorpion sting 
Select and explain. 
A. Acetaminophen, B. Diazepam, C. Promethazine, D. Prazosin
D: Prazosin
Answer: D: Prazosin 
Explanation: Prazosin is α blocker used in the treatment of Scorpion sting.