The nurse administering oxygen to clients with respiratory disorders is careful to monitor concentrations to prevent oxygen toxicity. How does this adverse reaction manifest itself?
A) Changes in heart rate
B) Changes in level of consciousness
C) Changes in lung structure
D) Changes in lung tissue
D
Feedback:
Oxygen given in high concentration over many days can result in oxygen toxicity, manifested as changes in lung tissue. In some people, increased oxygen concentrations also affect their ventilatory drive control mechanisms, which actually weaken the stimulus to breathe.
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