A nurse is caring for a client that is newly diagnosed with hypertension.Which of the following medications is a beta-adrenergic blocker that has a mechanism of action to decrease heart rate, myocardial contractility, and cardiac output, and is also used to treat hypertension?

Metoprolol.

Nitroglycerin.

Losartan.

Metformin.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Metoprolol is a beta-adrenergic blocker that works by decreasing heart rate, myocardial contractility, and cardiac output. It is commonly used to treat hypertension by reducing the workload on the heart and lowering blood pressure.

Choice B rationale

Nitroglycerin is a vasodilator that is used to treat angina by dilating blood vessels and improving blood flow to the heart. It does not have the same mechanism of action as beta-adrenergic blockers.

Choice C rationale

Losartan is an angiotensin II receptor blocker (ARB) that helps relax blood vessels and lower blood pressure. It does not directly decrease heart rate or myocardial contractility like beta-adrenergic blockers.

Choice D rationale

Metformin is an oral hypoglycemic agent used to manage type 2 diabetes by improving insulin sensitivity and reducing glucose production in the liver. It is not used to treat hypertension and does not have the same mechanism of action as beta-adrenergic blockers.

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Correct Answer is A

Explanation

Choice A rationale

Nifedipine is a calcium channel blocker that is effective in treating hypertension and angina. It works by relaxing the blood vessels, which lowers blood pressure and improves blood flow to the heart, reducing chest pain and hypertension.

Choice B rationale

Digoxin is not typically used to treat hypertension. It is primarily used for heart failure and atrial fibrillation to increase the strength of heart muscle contractions and regulate heart rhythm.

Choice C rationale

Heparin is an anticoagulant used to prevent and treat blood clots. It does not directly treat hypertension or angina and is used for conditions like deep vein thrombosis, pulmonary embolism, and during surgeries to prevent clot formation.

Choice D rationale

Captopril is an ACE inhibitor used to treat hypertension and heart failure. While it is effective for lowering blood pressure, it is not primarily used for treating angina compared to medications like nifedipine or other calcium channel blockers.

A. This medication should be started at the lowest dose and taken at night. B. Start this medication at the highest dose possible. C. No need to monitor your blood pressure with the first dose of this medication. D. This medication will control your hypertension within a week.

Correct Answer is A

Explanation

Choice A rationale

Prazosin, an alpha-blocker, is often started at the lowest dose and taken at night to minimize the risk of orthostatic hypotension, a sudden drop in blood pressure upon standing.

Choice B rationale

Starting prazosin at the highest dose is not recommended due to the risk of severe orthostatic hypotension, which can lead to dizziness and fainting.

Choice C rationale

It is important to monitor blood pressure with the first dose of prazosin to assess the patient's response and avoid significant drops in blood pressure.

Choice D rationale

Prazosin may take several weeks to achieve full therapeutic effect. It does not control hypertension within a week.

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A nurse is caring for a client that is newly diagnosed with hypertension.Which of the following medications is a beta-adrenergic blocker that has a mechanism of action to decrease heart rate, myocardial contractility, and cardiac output, and is also used to treat hypertension?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client that is newly diagnosed with hypertension.The client noted that the provider will prescribe a medication to treat angina and hypertension.Which of the following medications should the nurse expect the provider to prescribe?

Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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