This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
Which of the following drugs is used for termination as well as prophylaxis of paroxysmal supraventricular tachycardia? 
Select and explain. 
A. Digoxin, B. Verapamil, C. Propanolol, D. Quinidine
B: Verapamil
Answer: B: Verapamil 
Explanation: (Ref: KDT 6/e p517) It is used for the treatment as well as prophylaxis of PSVT whereas adenosine is used only for the treatment of acute attack of PSVT.