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 C

Explanation

A) This choice is incorrect because nuts and seeds are sources of healthy fats and can be beneficial for heart health when consumed in moderation.

B) This choice is incorrect because avocado and olive oil are sources of monounsaturated fats, which are considered heart-healthy fats. They can be included in a heart-healthy diet.

C) This choice is correct. Saturated fats, commonly found in fatty cuts of red meat and butter, are known to increase LDL cholesterol levels and should be limited in a heart-healthy diet to reduce the risk of future cardiovascular events.

D) This choice is incorrect because whole grains and legumes are sources of complex carbohydrates and plant-based proteins that can be part of a heart-healthy diet. They provide essential nutrients and fiber that are beneficial for heart health.

A. Blood pressure of 130/80 mmHg. B. Heart rate of 90 beats per minute. C. Oxygen saturation of 95% on room air. D. Elevated ST segment on the electrocardiogram (ECG).

Correct Answer is D

Explanation

A) This choice is not the most concerning finding among the options presented. A blood pressure of 130/80 mmHg is within a normal range and does not indicate an immediate risk to the client.

B) This choice is not the most concerning finding among the options presented. A heart rate of 90 beats per minute is within a normal range and does not indicate an immediate risk to the client.

C) This choice is not the most concerning finding among the options presented. An oxygen saturation of 95% on room air is within a normal range and does not indicate an immediate risk to the client.

D) This choice is correct. An elevated ST segment on the electrocardiogram (ECG) is an important sign of an acute myocardial infarction (MI). It indicates myocardial ischemia and injury. The nurse should take immediate action, such as notifying the healthcare provider and implementing appropriate interventions for the client's acute coronary syndrome. Prompt medical intervention is crucial to minimize cardiac damage and improve the client's prognosis.

Questions

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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 nurse is providing education to a client who recently had an MI about dietary changes to improve heart health. The nurse advises the client to limit intake of saturated fats. Which food choices should the client avoid to comply with this recommendation?

Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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