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
Cardiac arrhythmias are most commonly seen during administration of 
Select and explain. 
A. Thiopental, B. Halothane, C. Ethyl Ether, D. Nitrous oxide
B: Halothane
Answer: B: Halothane 
Explanation: None