An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker.
-The RN is familiar with the action of calcium channel blockers.By inhibiting the passage of calcium through ion channels,the drug targets which of the following processes?

Question

Quizplus · Accepted Answer

Calcium channel blockers inhibit the passive transport of calcium ions through ion channels, reducing the influx of calcium into heart muscle cells and thus decreasing the force of heart contractions and the demand for oxygen by the heart muscle. This results in lowering blood pressure, making it an effective medication for hypertension management.

An 85-Year-Old Female in a Long-Term Care Facility Is Prescribed