Ace Pharmacology & Nursing Process 2025 – Dive in with Linda Lane Lilley!

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Doxazosin's mechanism of action involves:

Dilating blood vessels

Doxazosin is a type of medication known as an alpha blocker. This means that it works by targeting alpha receptors in the body, causing them to relax. By relaxing these receptors in blood vessels, doxazosin leads to dilation, or widening, of these blood vessels. This can help to reduce blood pressure and improve blood flow. Options B, C, and D do not accurately reflect the mechanism of action for doxazosin. Instead of causing constriction, blocking nerve signals, or stimulating heart rate, doxazosin works by promoting vasodilation in blood vessels. Therefore, A is the correct answer.

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Constricting blood vessels

Blocking nerve signals

Stimulating heart rate

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