A client with pulmonary edema complains of a feeling of "suffocation." Which physiological mechanism contributes to this sensation in pulmonary edema?
Hyperventilation leading to respiratory alkalosis
Reduced cardiac output resulting in bradycardia
Impaired oxygen diffusion causing hypoxemia
Elevated blood pressure and hypertension
The Correct Answer is C
A) Incorrect. Hyperventilation leading to respiratory alkalosis may occur in response to respiratory distress but is not the primary cause of the sensation of "suffocation."
B) Incorrect. Reduced cardiac output may be a consequence of pulmonary edema, but it does not typically result in bradycardia, nor is it the primary cause of the sensation described.
C) Correct. In pulmonary edema, fluid accumulation in the alveoli impairs oxygen diffusion, leading to hypoxemia, which contributes to the sensation of "suffocation."
D) Incorrect. Elevated blood pressure and hypertension can be associated with heart failure but are not the primary factors contributing to the sensation of "suffocation" in pulmonary edema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. Caffeine, when consumed in moderation, is not a known risk factor for pulmonary edema.
B) Correct. Excessive alcohol consumption can lead to heart-related issues, including alcoholic cardiomyopathy, which can increase the risk of pulmonary edema.
C) Incorrect. While nicotine is harmful to the cardiovascular system, it is not a direct cause of pulmonary edema.
D) Incorrect. While marijuana use can have various health effects, it is not a known direct risk factor for pulmonary edema.
Correct Answer is B
Explanation
A) Incorrect. A decreased respiratory rate is not typically associated with pulmonary edema, which often leads to increased respiratory effort.
B) Correct. Inspiratory crackles in the lung bases are indicative of fluid accumulation in the alveoli and are a common physical finding in pulmonary edema.
C) Incorrect. Increased breath sounds are not typically associated with pulmonary edema; instead, crackles or wheezing may be heard.
D) Incorrect. Diminished heart sounds are not a characteristic finding in pulmonary edema.
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