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

Answer and Explanation

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.

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Correct Answer is B

Explanation

A) Incorrect. Increased lung compliance would not contribute to pulmonary edema; in fact, it might reduce the risk of fluid accumulation in the lungs.

B) Correct. Impaired alveolar fluid clearance, often due to altered pulmonary capillary permeability, is a key factor in the pathophysiology of pulmonary edema.

C) Incorrect. Constricted pulmonary blood vessels (vasoconstriction) would reduce blood flow to the lungs and are not a primary factor in pulmonary edema.

D) Incorrect. Enhanced left ventricular contractility, while beneficial for cardiac function, is not directly related to the development of pulmonary edema.

A. High-sodium diet to maintain blood pressure B. Low-potassium diet to prevent electrolyte imbalances C. Low-sodium diet to reduce fluid retention D. High-protein diet to promote muscle strength

Correct Answer is C

Explanation

A) Incorrect. A high-sodium diet is not recommended for clients with pulmonary edema, as it can exacerbate fluid retention.

B) Incorrect. Low-potassium diets are not typically recommended for clients with pulmonary edema, as potassium is important for heart and muscle function.

C) Correct. A low-sodium diet is essential to reduce fluid retention and manage pulmonary edema.

D) Incorrect. While adequate protein intake is important for overall health, it is not the primary dietary concern in pulmonary edema.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is C

Explanation

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