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 A
Explanation
A) Correct. Hypertension is a significant risk factor for the development of heart failure, which can lead to pulmonary edema.
B) Incorrect. Diabetes, while a chronic condition, is not a direct risk factor for pulmonary edema.
C) Incorrect. Hypercholesterolemia (high cholesterol) can contribute to atherosclerosis and cardiovascular disease but is not a direct cause of pulmonary edema.
D) Incorrect. Osteoarthritis is a musculoskeletal condition and is not directly related to the development of pulmonary edema.
Correct Answer is C
Explanation
A) Incorrect. Pulmonary edema is not a bacterial lung infection.
B) Incorrect. Pleuritis (inflammation of the pleura) is a different condition unrelated to pulmonary edema.
C) Correct. Pulmonary edema is characterized by the accumulation of excess fluid in the lungs, often in the alveoli and interstitial spaces.
D) Incorrect. A blockage in the coronary arteries is related to myocardial infarction (heart attack) and is not the primary characteristic of pulmonary edema.
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