Answer to Question 1
Ans: C
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Ibutilide is administered IV over 10 minutes.
Answer to Question 2
Ans: B, E
Feedback:
Increased serum disopyramide levels occur when quinidine or erythromycin is given with disopyramide. Amiodarone and cimetidine increase serum flecainide levels. Rifampin decreases serum disopyramide levels.