Which is a non-dihydropyridine calcium channel blocker?

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Prepare for the Rasmussen Pharmacology Exam 3. This quiz includes multiple-choice questions with hints and explanations. Review essential pharmacological concepts and get ready for your exam!

Multiple Choice

Which is a non-dihydropyridine calcium channel blocker?

Explanation:
Non-dihydropyridine calcium channel blockers mainly affect the heart by depressing AV nodal conduction and reducing contractility, rather than just dilating blood vessels. Verapamil fits this pattern, as it strongly slows AV nodal conduction and decreases cardiac output. In contrast, dihydropyridines like amlodipine and nifedipine primarily cause arterial vasodilation with less direct cardiac effect. So Verapamil is the non-dihydropyridine calcium channel blocker.

Non-dihydropyridine calcium channel blockers mainly affect the heart by depressing AV nodal conduction and reducing contractility, rather than just dilating blood vessels. Verapamil fits this pattern, as it strongly slows AV nodal conduction and decreases cardiac output. In contrast, dihydropyridines like amlodipine and nifedipine primarily cause arterial vasodilation with less direct cardiac effect. So Verapamil is the non-dihydropyridine calcium channel blocker.

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