National Dental Examining Board of Canada (NDEB) Practice Exam

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Which is NOT a known drug for managing cardiac arrhythmia?

  1. Digitalis

  2. Lidocaine

  3. Amlodipine

  4. Procainamide

The correct answer is: Amlodipine

Amlodipine is a calcium channel blocker used to treat high blood pressure and chest pain, not cardiac arrhythmia. Digitalis, Lidocaine, and Procainamide are all known drugs for managing cardiac arrhythmia. Digitalis is a cardiac glycoside, Lidocaine is an antiarrhythmic medication, and Procainamide is a class IA antiarrhythmic agent. Therefore, C (Amlodipine) is the correct answer as it is not a known drug for managing cardiac arrhythmia.

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