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 A
Explanation
A) Correct. Pulmonary edema can lead to impaired gas exchange, resulting in respiratory acidosis, characterized by a decreased pH on ABG analysis.
B) Incorrect. Pulmonary edema typically leads to decreased oxygenation, so an elevated PaO2 would not be consistent with this condition.
C) Incorrect. A decreased PaCO2 is more commonly associated with respiratory alkalosis and is not a primary finding in pulmonary edema.
D) Incorrect. Increased bicarbonate (HCO3-) levels are more indicative of metabolic alkalosis and are not typically associated with pulmonary edema.
Correct Answer is C
Explanation
A) Incorrect. Diuretics typically reduce blood pressure, so increased blood pressure is an unlikely side effect.
B) Incorrect. Hyperglycemia is not a common side effect of diuretics.
C) Correct. Diuretics can lead to the loss of potassium, resulting in hypokalemia.
D) Incorrect. Bradycardia is not typically associated with diuretic therapy.
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