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 D
Explanation
Choice A reason: Fear is a common emotion but is not a defining symptom of major depression.
Choice B reason: Compulsions are more characteristic of obsessive-compulsive disorder, not major depression.
Choice C reason: Euphoria is typically not associated with major depression, which is characterized by a persistent feeling of sadness or loss of interest.
Choice D reason: Extreme sadness is a hallmark symptom of major depression, often accompanied by a loss of interest in activities that were once enjoyed.
Correct Answer is B
Explanation
Choice A Reason:Notifying the patient's family is not the immediate priority when the patient is experiencing severe respiratory distress. The nurse's primary focus should be on addressing the patient's acute symptoms.
Choice B Reason:Providing oxygen is crucial in managing respiratory distress. In a patient with myocardial infarction (heart attack), adequate oxygenation is essential to prevent further complications. The nurse should promptly administer oxygen as prescribed to improve oxygen supply and alleviate distress.
Choice C Reason:While notifying the health care provider is essential, it is not the first action in this critical situation. The nurse should prioritize interventions that directly address the patient's distress.
Choice D Reason:Elevating the head of the bed (semi-Fowler's position) is beneficial for patients with respiratory distress, but it is not the initial action. Providing oxygen takes precedence over positioning.
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