CHAPTER 31: Disorders of Ventilation and Gas Exchange 1. A client with a history of emphysema is experiencing hypoxemia after a taxing physical therapy appointment. Which of the following physiologic phenomena will occur as a consequence of hypoxemia? A) Peripheral vasodilation B) Necrosis C) Hypoventilation D) Increased heart rate Ans: D Feedback: Consequences of hypoxemia include peripheral vasoconstriction, hyperventilation, and increased heart rate. Mild to moderate hypoxemia does not result in cell death and necrosis. 2. An elderly client who has been restricted to bed by numerous comorbidities for several weeks has been diagnosed with a large pleural effusion. Which of the following treatment modalities is most likely to resolve the client's most recent health problem? A) Thoracentesis B) Supplementary oxygen therapy C) Administration of corticosteroids D) Administration of bronchodilators Ans: A Feedback: With large effusions, thoracentesis may be used to remove fluid from the intrapleural space and allow for reexpansion of the lung.
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