A patient with chronic obstructive pulmonary disease has been receiving oxygen therapy for an extended time. The nurse suspects that the patient is experiencing oxygen toxicity as evidenced by:
A) Bradycardia and frontal headache
B) Dyspnea and substernal pain
C) Anger and restlessness
D) Poor personal hygiene
Ans: B
Feedback: Oxygen toxicity can occur when patients receive too high a concentration of oxygen for an extended period. Symptoms of oxygen toxicity include dyspnea, substernal pain, restlessness, fatigue, and progressive respiratory difficulty.
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