A client with a history of myocardial infarction (MI) develops pulmonary edema. Which pathophysiological process is likely occurring in this client, leading to fluid accumulation in the lungs?
Increased myocardial contractility
Reduced afterload on the heart
Left ventricular remodeling
Enhanced pulmonary vasodilation
The Correct Answer is C
A) Incorrect. Increased myocardial contractility would not typically lead to left ventricular remodeling but might improve cardiac function.
B) Incorrect. Reduced afterload on the heart may be beneficial, but it is not a primary factor in left ventricular remodeling.
C) Correct. Left ventricular remodeling, often occurring after a myocardial infarction, involves changes in the size and shape of the ventricle, which can impair cardiac function and lead to pulmonary edema.
D) Incorrect. Enhanced pulmonary vasodilation is not a primary cause of left ventricular remodeling or pulmonary edema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. Oxygen saturation levels are typically assessed using pulse oximetry and are not provided by an echocardiogram.
B) Incorrect. Blood pressure measurements are not directly assessed through an echocardiogram.
C) Correct. An echocardiogram provides valuable information about the structure and function of the heart, which can help diagnose the underlying cause of pulmonary edema, such as heart failure.
D) Incorrect. A white blood cell count is not part of an echocardiogram and is not used to diagnose pulmonary edema.
Correct Answer is A
Explanation
A) Correct. Pink, frothy sputum, often described as "pink froth," is indicative of severe pulmonary edema with the presence of blood-tinged fluid in the alveoli.
B) Incorrect. A low-grade fever is not a typical sign of pulmonary edema and may indicate another underlying condition.
C) Incorrect. Clear breath sounds throughout the lung fields are not indicative of severe pulmonary edema, which often presents with crackles.
D) Incorrect. The absence of peripheral edema does not necessarily reflect the severity of pulmonary edema; it may be related to factors other than heart failure.
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