The nurse is reinforcing teaching to the patient about the cause of pain from coronary artery disease. The nurse would evaluate the patient as understanding the education if the patient stated which of the following causes the pain from coronary artery disease?
Interrupted electrical activity to areas of the heart
Lack of sufficient oxygen to the myocardium
Increased cardiac workload
Lack of nutrients into the heart
The Correct Answer is B
Choice A reason: Interrupted electrical activity to areas of the heartWhen it comes to the pain associated with coronary artery disease (CAD), interrupted electrical activity is not the primary cause. While abnormal electrical activity can lead to arrhythmias, it is not the primary source of pain in CAD. The pain in CAD is primarily related to inadequate blood flow and oxygen supply to the heart muscle.
Choice B reason: Lack of sufficient oxygen to the myocardiumThis is the correct answer. Coronary artery disease results in the narrowing or blockage of coronary arteries, which supply oxygen-rich blood to the heart muscle. When these arteries become narrowed due to plaque buildup (atherosclerosis), the heart muscle does not receive enough oxygen. This insufficient oxygen supply leads to chest pain (angina) and discomfort.
Choice C reason: Increased cardiac workloadWhile increased cardiac workload can contribute to heart-related symptoms, it is not the primary cause of pain in coronary artery disease. Increased workload may occur during physical exertion or stress, but the underlying issue in CAD is the reduced blood flow due to narrowed or blocked arteries.
Choice D reason: Lack of nutrients into the heartWhile nutrients are essential for overall heart health, the primary concern in coronary artery disease is the lack of oxygen supply. The pain associated with CAD is primarily related to inadequate oxygen delivery to the heart muscle, not specifically a lack of nutrients.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Weighing monthly is not frequent enough to monitor fluid status effectively in a patient with chronic heart failure.
Choice B reason: Weighing daily is recommended to detect early signs of fluid retention, which is crucial for patients with chronic heart failure.
Choice C reason: Weighing twice a day is not typically necessary unless specifically recommended by a healthcare provider for close monitoring.
Choice D reason: Weighing weekly may miss early signs of fluid retention and is not recommended for daily monitoring of fluid status in chronic heart failure.
Correct Answer is A
Explanation
Choice A reason: A rapid weight gain is a common sign of fluid retention, which can indicate an exacerbation of heart failure.
Choice B reason: Being able to breathe easier would typically indicate an improvement in heart failure symptoms, not an exacerbation.
Choice C reason: Cooking dinner suggests a level of activity that is not indicative of an exacerbation of heart failure.
Choice D reason: The absence of swelling in the feet would generally be a positive sign, not indicative of an exacerbation of heart failure.
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