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

Losartan is an angiotensin II receptor blocker (ARB) that helps lower blood pressure by relaxing blood vessels. It is often prescribed for clients who cannot tolerate angiotensin-converting enzyme (ACE) inhibitors like Captopril or Lisinopril due to side effects such as a persistent cough.

Choice B rationale

Digoxin is a medication primarily used to treat heart failure and atrial fibrillation. It is not typically prescribed for the management of hypertension as it does not directly lower blood pressure.

Choice C rationale

Captopril is an ACE inhibitor that can cause a persistent cough in some patients. Since the client has experienced this side effect, it is unlikely that Captopril would be prescribed again.

Choice D rationale

Lisinopril is another ACE inhibitor, similar to Captopril. Given the client's history of a cough caused by ACE inhibitors, Lisinopril is also not a suitable option.

A. Simvastatin (Zocor). B. Furosemide (Lasix). C. Enoxaparin (Lovenox). D. Gemfibrozil (Lopid).

Correct Answer is C

Explanation

Choice A rationale

Simvastatin is used to lower cholesterol levels and is not indicated for the management of DVT.

Choice B rationale

Furosemide is a diuretic used to treat fluid retention and high blood pressure, not DVT.

Choice C rationale

Enoxaparin is an anticoagulant that helps to prevent and treat deep vein thrombosis by inhibiting clot formation.

Choice D rationale

Gemfibrozil is used to reduce triglyceride levels and is not indicated for DVT management.

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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

Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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