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 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.

A. Complete blood count (CBC) B. Electrocardiogram (ECG) C. Chest X-ray D. Urinalysis

Correct Answer is C

Explanation

A) Incorrect. While a complete blood count (CBC) may provide some information, it is not the primary diagnostic test for pulmonary edema.

B) Incorrect. An electrocardiogram (ECG) may be used to evaluate cardiac function but does not directly assess pulmonary edema.

C) Correct. A chest X-ray is a key diagnostic tool for assessing the presence, severity, and underlying causes of pulmonary edema by visualizing lung and heart structures.

D) Incorrect. Urinalysis is not a primary diagnostic test for pulmonary edema; it is used to assess kidney function and screen for urinary tract infections.

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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?

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Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is C

Explanation

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