Which complication may arise if the client receives a high oxygen concentration?
A. Apnea B. Anginal pain C. Respiratory alkalosis D. Metabolic acidosis ANS: A Hypoxia is the main breathing stimulus for a client with COPD. Excessive oxygen administration may lead to apnea by removing that stimulus. Anginal pain results from a reduced myocardial oxygen supply. A client with COPD may have anginal pain from generalized vasoconstriction secondary to hypoxia; however, administering oxygen at any concentration dilates blood vessels, easing anginal pain. Respiratory alkalosis results from alveolar hyperventilation, not excessive oxygen administration. In a client with COPD, high oxygen concentrations decrease the ventilatory drive, leading to respiratory acidosis, not alkalosis. High oxygen concentrations don’t cause metabolic acidosis. 53. A client with type 1 diabetes mellitus has been on a regimen of multiple daily injection therapy. He’s being converted to continuous subcutaneous insulin therapy. While teaching the client bout continuous subcutaneous insulin therapy,
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