A nurse is caring for a client with unstable angina and receives an order for antiplatelet therapy. Which medication should the nurse expect to administer?

Clopidogrel (Plavix).

Nitroglycerin.

Atorvastatin (Lipitor).

Metoprolol.

Answer and Explanation

The Correct Answer is A

A) This choice is correct. Clopidogrel (Plavix) is an antiplatelet medication commonly prescribed for clients with unstable angina to prevent platelet aggregation and reduce the risk of blood clot formation in coronary arteries.

B) This choice is incorrect because nitroglycerin is a vasodilator used to relieve angina symptoms, but it does not have the antiplatelet effect necessary for managing unstable angina.

C) This choice is incorrect because atorvastatin is a statin medication used to lower cholesterol levels and prevent cardiovascular events, but it does not have the antiplatelet effect required for managing unstable angina.

D) This choice is incorrect because metoprolol is a beta-blocker used to reduce heart rate and blood pressure, but it is not an antiplatelet agent like clopidogrel.

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Correct Answer is C

Explanation

A) This choice is incorrect because beta-blockers do not directly dilate blood vessels. They primarily work by blocking the effects of adrenaline on the heart and blood vessels, leading to decreased heart rate and reduced blood pressure.

B) This choice is incorrect because beta-blockers do not directly affect cholesterol levels or prevent the formation of plaques in arteries. Their primary action is on the cardiovascular system, particularly the heart and blood pressure.

C) This choice is correct. Beta-blockers are commonly prescribed after an MI to reduce the workload of the heart and lower blood pressure. By blocking the effects of adrenaline, they help slow down the heart rate and reduce the force of contraction, thereby decreasing myocardial oxygen demand and improving the heart's efficiency.

D) This choice is incorrect because beta-blockers do not directly prevent blood clot formation in coronary arteries. Anticoagulant or antiplatelet medications are used to reduce the risk of clot formation in individuals at high risk for recurrent heart attacks.

A. Troponin levels. B. Stress test. C. Coronary angiography. D. Cardiac catheterization.

Correct Answer is A

Explanation

A) This choice is correct. Measuring troponin levels in the blood is a common initial diagnostic test for evaluating suspected angina pectoris or myocardial infarction (MI). Troponins are specific markers released into the bloodstream when there is cardiac muscle damage, and elevated troponin levels indicate myocardial injury.

B) This choice is incorrect because a stress test is used to assess the heart's response to increased demand and is typically performed after the initial evaluation, such as measuring troponin levels, to confirm the presence of angina or MI.

C) This choice is incorrect because coronary angiography is an invasive procedure used to visualize the coronary arteries and assess for blockages. It is not typically the initial diagnostic test for angina pectoris or MI.

D) This choice is incorrect because cardiac catheterization is an invasive procedure used to measure pressures within the heart and evaluate coronary artery blockages. It is not typically the initial diagnostic test for angina pectoris or MI.

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A nurse is caring for a client with unstable angina and receives an order for antiplatelet therapy. Which medication should the nurse expect to administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client who experienced an MI is prescribed beta-blocker medication. The client asks the nurse about the purpose of this medication. How should the nurse respond?

Correct Answer is C

Explanation

A client is admitted with chest pain, and the nurse suspects angina pectoris. Which diagnostic test would the nurse expect to be ordered as an initial assessment?

Correct Answer is A

Explanation

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