A patient who has been scheduled for an exercise stress electrocardiogram asks why this test is needed. Which of the following is the nurse's best response?
It determines a target heart rate.
It identifies how much more exercise is needed.
It shows how the heart performs during exercise.
It can predict whether a heart attack may occur.
The Correct Answer is C
Choice A reason: Determining a target heart rate is not the primary purpose of an exercise stress electrocardiogram; it is more about observing the heart's function under stress³.
Choice B reason: Identifying the need for more exercise is not the direct outcome of this test; it is used to assess cardiovascular response to stress³.
Choice C reason: The test is designed to show how the heart performs during exercise, which can help diagnose conditions like coronary artery disease³.
Choice D reason: Predicting a heart attack is not the purpose of an exercise stress electrocardiogram; rather, it helps to identify heart conditions that may lead to complications if left untreated³.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D"]
Explanation
Choice A reason: Reducing saturated fats, which are found primarily in red meat and full-fat dairy products, can lower low-density lipoprotein (LDL) cholesterol — the "bad" cholesterol.
Choice B reason: Avoiding trans fats is crucial as they increase LDL cholesterol and decrease high-density lipoprotein (HDL) cholesterol — the "good" cholesterol.
Choice C reason: Consuming whole grains is beneficial for lowering cholesterol because they contain soluble fiber, which can reduce the absorption of cholesterol into the bloodstream⁶.
Choice D reason: Limiting sugar-sweetened beverages can help reduce cholesterol levels, as excessive sugar intake can lead to weight gain, which is a risk factor for high cholesterol.
Choice E reason: Drinking whole milk is not recommended for cholesterol control as it contains high levels of saturated fat, which can raise cholesterol levels.
Choice F reason: Limiting fruit intake is not necessary for cholesterol control; in fact, fruits can be beneficial due to their fiber content⁶.
Correct Answer is D
Explanation
Choice A reason: Cor pulmonale specifically refers to right-sided heart failure. It occurs due to an underlying lung disorder causing pulmonary hypertension (high pressures in the lungs). The right ventricle enlarges and pumps blood less effectively.
Choice B reason:Cor pulmonale does not involve the left side of the heart. It is primarily related to the right ventricle.
Choice C reason: While further testing may be necessary, it does not directly explain cor pulmonale.
Choice D reason:Cor pulmonale results from lung conditions causing pulmonary hypertension.The right ventricle becomes enlarged and less effective due to increased pressure in the pulmonary arteries.
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