A nurse is explaining the pathophysiology of pulmonary edema to a group of nursing students. Which physiological mechanism underlies the development of pulmonary edema?

Increased lung compliance

Impaired alveolar fluid clearance

Constricted pulmonary blood vessels

Enhanced left ventricular contractility

Answer and Explanation

The Correct Answer is B

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.

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Correct Answer is C

Explanation

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.

A. Administering intravenous antibiotics B. Providing supplemental oxygen therapy C. Encouraging deep breathing exercises D. Administering antipyretic medications

Correct Answer is B

Explanation

A) Incorrect. Intravenous antibiotics may be necessary for certain pulmonary infections, but they do not address the immediate oxygenation needs in acute pulmonary edema.

B) Correct. Providing supplemental oxygen helps increase the client's oxygen levels, improving oxygenation in acute pulmonary edema.

C) Incorrect. While deep breathing exercises are beneficial for overall lung health, they may not be sufficient to address the immediate oxygenation issue in acute pulmonary edema.

D) Incorrect. Antipyretic medications are used to reduce fever and do not directly improve oxygenation in pulmonary edema.

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A nurse is explaining the pathophysiology of pulmonary edema to a group of nursing students. Which physiological mechanism underlies the development of pulmonary edema?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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?

Correct Answer is C

Explanation

A nurse is caring for a client with acute pulmonary edema. Which intervention should the nurse prioritize to improve the client's oxygenation?

Correct Answer is B

Explanation

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