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?
Lack of sufficient oxygen to the myocardium.
Increased cardiac workload.
Interrupted electrical activity to areas of the heart.
Lack of nutrients to the heart.
The Correct Answer is A
Choice A reason: The myocardium requires a constant supply of oxygen to function properly. Coronary artery disease (CAD) causes a reduction in blood flow due to narrowed or blocked coronary arteries, leading to a lack of oxygen in the heart muscle, which can result in angina or chest pain.
Choice B reason: While increased cardiac workload can exacerbate chest pain, it is not the primary cause of pain in CAD. The pain is primarily due to ischemia, which is the lack of oxygen and nutrients to the heart tissue due to reduced blood flow.
Choice C reason: Interrupted electrical activity can lead to arrhythmias or heart attack, but it is not the direct cause of pain in CAD. The pain is related to ischemia, not electrical disturbances.
Choice D reason: A lack of nutrients, including oxygen, to the heart does contribute to the pain experienced in CAD; however, the primary factor is the insufficient oxygen supply, which is explicitly stated in choice A.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Anginal pain typically does not worsen with deep inspiration; this is more characteristic of pleuritic chest pain.
Choice B reason: Anginal pain usually does not persist with rest and organic nitrates; these interventions are typically used to alleviate angina.
Choice C reason: Exertion and anxiety increase the heart's demand for oxygen, which can trigger anginal pain due to reduced blood flow in narrowed coronary arteries.
Choice D reason: Anginal pain typically lasts for a short time, usually less than 20 minutes. If the pain lasts longer, it may indicate a more serious condition like a myocardial infarction.
Correct Answer is B
Explanation
Choice A reason: While all individuals can develop heart failure, an Asian male is not considered the highest risk group based on the available data.
Choice B reason: A Black female is at a higher risk for developing heart failure, especially due to factors like hypertension, diabetes, and certain socioeconomic factors³.
Choice C reason: A Hispanic female may have multiple risk factors for heart failure, but the prevalence and risk are not as high as in the Black female population³.
Choice D reason: A White male, while at risk for heart failure, does not have the highest risk when compared to a Black female with the same age and health conditions³.
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