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
β - blocker toxicity is treated by 
Select and explain. 
A. Atropine, B. Insulin, C. Fomepizole, D. Glucagon
D: Glucagon
Answer: D: Glucagon 
Explanation: Glucagon is used to treat Overdose of β - blockers
Fomepizole is used to Ethylene Glycol poisoning.