This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Bradycirdia is common after injection of: 
Select and explain. 
A. Midazolam, B. Succinylcholine, C. Dopamine, D. Isoprenaline
B: Succinylcholine
Answer: B: Succinylcholine 
Explanation: KD thripathi. 7th edition. Chapter skeletal muscle relaxants. Page no. 351. Succinyl choline produces bradycardia initially after injection due to activation of vagal ganglia. So option 2 is right.