While reading a patient's history, which finding will cause the nurse to assess the patient for both valvular stenosis and regurgitation?
Rheumatic heart disease.
Syphilis infection.
Connective tissue disorders.
Heart failure.
The Correct Answer is C
Choice A rationale:
Rheumatic heart disease can lead to valvular stenosis and regurgitation, but the question asks for a finding that will cause the nurse to assess the patient for both valvular stenosis and regurgitation. While rheumatic heart disease can affect the heart valves, it may predominantly lead to stenosis or regurgitation, not both simultaneously. Connective tissue disorders are more likely to affect multiple heart valves, causing both stenosis and regurgitation.
Choice B rationale:
Syphilis infection can cause syphilitic aortitis, which can lead to aortic valve regurgitation, but it doesn't commonly result in stenosis of heart valves. The question specifies assessing the patient for both valvular stenosis and regurgitation, so connective tissue disorders are a more appropriate choice as they can affect multiple valves simultaneously.
Choice C rationale:
Connective tissue disorders, such as Marfan syndrome or Ehlers-Danlos syndrome, can lead to structural abnormalities in heart valves, causing both valvular stenosis and regurgitation. These conditions affect the connective tissues that provide support to heart valves, leading to their dysfunction. Therefore, when a nurse finds a patient with a connective tissue disorder in their history, it's important to assess the patient for both types of valve dysfunction.
Choice D rationale:
Heart failure is a general term for the inability of the heart to pump blood effectively. While heart failure can lead to valvular abnormalities over time, it is not the primary condition that causes both valvular stenosis and regurgitation. Connective tissue disorders are more specifically associated with these structural heart valve abnormalities. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
A 76-year-old man with congestive heart failure may experience superior vena cava syndrome (SVCS) due to the increased pressure in the superior vena cava, but SVCS is more commonly associated with malignancies that compress or invade the superior vena cava. While this patient may be at risk for SVCS, the woman with bronchogenic cancer in choice B is at higher risk.
Choice B rationale:
The correct choice. Patients with bronchogenic cancer, particularly lung cancer, are at a higher risk of developing superior vena cava syndrome (SVCS) due to tumor invasion or compression of the superior vena cava. SVCS can cause a range of symptoms, including facial and upper body swelling, dilated neck veins, and difficulty breathing.
Choice C rationale:
A 26-year-old woman who has just delivered her first child is unlikely to develop superior vena cava syndrome (SVCS) as a result of childbirth. SVCS is more commonly associated with malignancies or other factors that cause obstruction or compression of the superior vena cava.
Choice D rationale:
A 6-year-old child with severe asthma is less likely to develop SVCS compared to adults, as SVCS is primarily associated with malignancies and other conditions that lead to obstruction of the superior vena cava. While severe asthma can cause respiratory distress, it is not a typical cause of SVCS in children. .
Correct Answer is C
Explanation
Choice A rationale:
Congenital disorders can indeed cause aortic stenosis, but it is not the most common cause in later life. Aortic stenosis primarily results from degeneration and calcification of the valve as individuals age.
Choice B rationale:
Rheumatic heart disease is a significant cause of aortic stenosis in some cases, but it is more common in regions where rheumatic fever is prevalent. Loss of muscle fibers is not the primary cause of aortic stenosis in later life.
Choice C rationale:
This is the correct answer. Aortic stenosis in older adults usually results from degeneration and calcification of the aortic valve. As people age, wear and tear on the valve can lead to the formation of calcium deposits, causing narrowing and obstruction of the valve. This is the most common etiology of aortic stenosis in the elderly.
Choice D rationale:
Marfan syndrome is a genetic connective tissue disorder that can affect the aorta, leading to aortic root dilation or dissection. While it is associated with aortic pathology, it is not the primary cause of aortic stenosis.
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