A client with heart failure develops pulmonary edema. Which part of the heart's pumping action is impaired in this condition, leading to fluid backup in the lungs?
Atrial contraction
Ventricular relaxation (diastole)
Ventricular contraction (systole)
Electrical conduction in the heart
The Correct Answer is C
A) Incorrect. Atrial contraction contributes to ventricular filling but is not typically the primary site of impairment in heart failure leading to pulmonary edema.
B) Incorrect. Ventricular relaxation (diastole) is necessary for ventricular filling, but the impaired contraction during systole is a more common issue in heart failure.
C) Correct. Impaired ventricular contraction (systole) in heart failure results in reduced forward flow of blood and leads to fluid backup in the lungs, contributing to pulmonary edema.
D) Incorrect. Electrical conduction in the heart may affect heart rhythm but is not directly related to the development of pulmonary edema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. The supine position with legs elevated is not recommended for clients with pulmonary edema, as it can worsen fluid retention.
B) Correct. High Fowler's position allows for optimal lung expansion and improved gas exchange in clients with pulmonary edema.
C) Incorrect. The left lateral recumbent position may be used in some cases, but it is not the primary position for managing pulmonary edema.
D) Incorrect. The prone position is not typically recommended for clients with pulmonary edema.
Correct Answer is C
Explanation
A) Incorrect. A persistent dry cough is not a typical symptom of acute pulmonary edema.
B) Incorrect. Productive cough with green sputum is more suggestive of a respiratory infection than acute pulmonary edema.
C) Correct. Sudden-onset severe shortness of breath, often described as "air hunger," is a hallmark symptom of acute pulmonary edema.
D) Incorrect. Sharp, stabbing chest pain is not a primary symptom of acute pulmonary edema but may be present in some cases.
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