A nurse is caring for a client who has a new prescription for warfarin.Which of the following is a therapeutic use of this medication?
This medication prevents venous thrombosis.
This medication prevents angina pectoris.
This medication is to treat bradycardia.
This medication is to treat hypertension.
The Correct Answer is A
Choice A rationale
Warfarin is an anticoagulant that is used to prevent venous thrombosis and thromboembolic events by inhibiting the synthesis of vitamin K-dependent clotting factors.
Choice B rationale
Warfarin is not used to prevent angina pectoris, which is typically managed with nitrates, beta-blockers, or calcium channel blockers.
Choice C rationale
Warfarin is not used to treat bradycardia, which is usually managed with medications like atropine or pacemaker implantation.
Choice D rationale
Warfarin is not used to treat hypertension. Antihypertensive medications such as ACE inhibitors, beta-blockers, or diuretics are used for this purpose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Metoprolol is a beta-blocker used to manage hypertension and other cardiovascular conditions, but it is not a vasodilator used for hypertensive crises.
Choice B rationale
Metformin is an oral hypoglycemic agent used to manage type 2 diabetes and has no role in treating hypertension or hypertensive crises.
Choice C rationale
Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor used to manage hypertension and heart failure, but it is not typically used for hypertensive crises.
Choice D rationale
Nitroglycerin is a potent vasodilator used to rapidly lower blood pressure in hypertensive crises. It works by dilating blood vessels, thus reducing blood pressure effectively. .
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.
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