Which disorder would the nurse recognize as the likely cause of right heart failure (cor pulmonale)?
Upper GI bleeding
Chronic obstructive pulmonary disease (COPD)
Liver failure
Renal failure
The Correct Answer is B
Choice A reason: Upper GI bleeding is not a direct cause of right heart failure (cor pulmonale). While severe GI bleeding can lead to other complications such as anemia or shock, it does not typically result in cor pulmonale.
Choice B reason: Chronic obstructive pulmonary disease (COPD) is a primary cause of cor pulmonale. COPD leads to chronic hypoxia, which increases pressure in the pulmonary arteries (pulmonary hypertension). The right ventricle of the heart must work harder to pump blood through these high-pressure arteries, eventually leading to right heart failure.
Choice C reason: Liver failure can lead to various systemic complications such as fluid imbalance and electrolyte disturbances, but it is not a direct cause of right heart failure (cor pulmonale). Cor pulmonale is specifically related to pulmonary conditions that increase right ventricular workload.
Choice D reason: Renal failure, while serious and capable of causing cardiovascular complications due to fluid overload and hypertension, is not typically linked to the development of cor pulmonale. The primary cause of cor pulmonale is chronic lung disease like COPD, which directly affects the pulmonary vasculature.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Hypertension, often called the "silent killer," is usually asymptomatic until significant target organ damage has occurred. This means that many people with hypertension do not experience symptoms until their blood pressure has been high for a long time, leading to damage in organs such as the heart, kidneys, brain, and eyes. Therefore, it's crucial for patients to understand the importance of regular blood pressure monitoring and management even in the absence of symptoms.
Choice B reason: While annual BP checks are useful for monitoring treatment effectiveness, more frequent monitoring may be necessary for newly diagnosed patients or those with poorly controlled hypertension. This information is important but not the most critical point compared to understanding the asymptomatic nature of hypertension.
Choice C reason: Increasing physical activity can help control blood pressure for many individuals, but it is not universally effective for everyone. While important, this information is part of a broader lifestyle modification plan rather than the single most critical point to emphasize.
Choice D reason: Dietary changes can play a significant role in controlling blood pressure, but not all individuals can control their BP through diet alone. Emphasizing this may give a false sense of control without highlighting the importance of medication and other interventions when needed.
Correct Answer is B
Explanation
Choice A reason: Kidney failure is not a common immediate complication related to the patient's presentation of sudden right-sided weakness and difficulty speaking, which are indicative of a stroke. Although diabetes and hypertension can eventually lead to kidney issues, this is not an acute complication.
Choice B reason: Aspiration pneumonia is a potential complication of the patient's condition, especially given the presence of expressive aphasia. Patients with neurological deficits, particularly those affecting speech and swallowing, are at higher risk of aspirating food or liquids into the lungs, leading to pneumonia.
Choice C reason: Hypotension is not commonly a direct complication of a stroke, especially considering the patient's elevated blood pressure. Stroke patients often present with hypertension rather than hypotension.
Choice D reason: Heart failure, while related to the patient's underlying conditions like hypertension and possibly diabetes, is not an immediate complication of the acute neurological event described. The focus should be more on the neurological and respiratory complications.
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