Practice Quiz

CCRN Critical Care Nursing

Category - Adult

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What is the best explanation for why low flow oxygen devices are tried first with patients who have chronic lung disease and retain PaCO2?
  1. High levels of oxygen can cause them to lose their drive to breathe.
  2. It is dangerous for their oxygen saturation levels to rise above 97%.
  3. High levels of oxygen cause more problems and complications.
  4. People with chronic lung disease don’t need as much oxygen.
Explanation
Answer: A - The best explanation for why low flow oxygen devices are tried first with patients who have chronic lung disease is because high levels of oxygen can cause them to lose their drive to breathe. It is normal for their oxygen levels to be lower. How low or high the oxygen level may go is decided on an individual basis by the health care team.
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