A client is undergoing a stress test to evaluate possible myocardial ischemia. What is the primary purpose of this test?

To assess for the presence of atherosclerotic plaques.

To measure cardiac biomarker levels in the blood.

To evaluate the heart's response to increased demand.

To visualize the coronary arteries for blockages.

Answer and Explanation

The Correct Answer is C

A) This choice is incorrect because a stress test is not primarily used to assess for the presence of atherosclerotic plaques. It is used to evaluate the heart's response to increased demand and identify exercise-induced changes in the ECG, which may indicate myocardial ischemia.

B) This choice is incorrect because a stress test does not measure cardiac biomarker levels in the blood. Cardiac biomarkers like troponin are typically measured through blood tests to diagnose myocardial infarction (MI).

C) This choice is correct. The primary purpose of a stress test is to evaluate the heart's response to increased demand, such as physical exercise or the administration of medication that simulates exercise. During the test, the client's heart rate, blood pressure, and ECG are monitored for signs of ischemia.

D) This choice is incorrect because a stress test is not used to visualize the coronary arteries for blockages. It is a non-invasive test primarily used to assess the heart's functional capacity.

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Correct Answer is B

Explanation

A) This choice is incorrect because while exercise can contribute to weight loss and reduce the risk of diabetes, its primary benefit in cardiac rehabilitation is related to cardiovascular health, specifically improving blood flow to the heart and lowering blood pressure.

B) This choice is correct. Regular exercise in cardiac rehabilitation has significant benefits for the cardiovascular system. It improves blood flow to the heart muscle, enhances collateral circulation, and can help lower blood pressure, all of which are crucial in managing and preventing further complications after an MI.

C) This choice is incorrect because although exercise can help build muscle strength and improve bone health, these are not the primary benefits sought in cardiac rehabilitation. The focus is on cardiovascular health and recovery.

D) This choice is incorrect because while exercise can have positive effects on mental health, such as reducing stress and anxiety, its primary benefit in cardiac rehabilitation is related to cardiovascular health.

A. "Cardiac rehabilitation helps strengthen your heart muscle and improves blood flow to your coronary arteries." B. "It involves lifestyle changes to prevent future heart attacks and promote heart health." C. "Cardiac rehabilitation focuses on psychological counseling to help you cope with the emotional impact of an MI." D. "It is a program that includes physical exercise to improve your lung function and oxygenation."

Correct Answer is B

Explanation

A) This choice is incorrect because while cardiac rehabilitation may have cardiovascular benefits, its primary focus is on promoting overall heart health and reducing the risk of future heart attacks through lifestyle changes and education.

B) This choice is correct. Cardiac rehabilitation is a comprehensive program that aims to improve the overall cardiovascular health of individuals who have experienced a myocardial infarction or other heart conditions. It involves a combination of exercise, education, and counseling to support lifestyle changes that promote heart health and prevent future cardiovascular events.

C) This choice is incorrect because while psychological counseling may be a part of the cardiac rehabilitation program, it is not the primary purpose. The main focus is on physical and lifestyle aspects to improve cardiovascular health.

D) This choice is incorrect because cardiac rehabilitation does involve physical exercise, but the primary goal is not to improve lung function and oxygenation. Instead, it aims to improve cardiovascular endurance, strength, and overall heart health.

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A client is undergoing a stress test to evaluate possible myocardial ischemia. What is the primary purpose of this test?

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Naxlex Comprehensive Predictor Exams

A client who recently had an MI is instructed to participate in cardiac rehabilitation. The client asks the nurse about the benefits of exercise in the program. How should the nurse respond?

Correct Answer is B

Explanation

A client who recently had a myocardial infarction (MI) is scheduled to start a cardiac rehabilitation program. The client asks the nurse about the purpose of this program. How should the nurse respond?

Correct Answer is B

Explanation

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?

A client is experiencing chest pain and seeks medical attention. The nurse asks the client about the nature of the pain. Which characteristic is most consistent with angina pectoris?

A client with suspected myocardial infarction (MI) is admitted to the emergency department. The nurse asks the client about the onset and duration of chest pain. Which response should the nurse consider as indicative of an MI?

A nurse is caring for a client admitted with myocardial infarction (MI). The client's blood pressure drops, and the client becomes restless and anxious. What intervention should the nurse initiate first?

A nurse is educating a group of clients about the risk factors for myocardial infarction (MI). Which risk factor is considered a non-modifiable risk factor for MI?

A client with unstable angina is prescribed heparin therapy. The client asks the nurse about the purpose of this medication. How should the nurse respond?

A client is admitted with chest pain, and the nurse is assessing for clinical manifestations of myocardial infarction (MI). Which assessment finding is concerning and requires immediate action?

A nurse is caring for a client admitted with chest pain, and the healthcare provider orders a cardiac biomarker test. Which biomarker is most specific for diagnosing a myocardial infarction (MI)?