A arteries is the correct answer
Sleep Apnea. They have to use a breathing machine to get a good nights sleep.
Supplemental oxygen (supplemental O2) eliminates the hypoxic (low oxygen) respiratory drive in COPD patients, resulting in hypoventilation, greater carbon dioxide levels, apnea (pauses in breathing), and finally respiratory failure.
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What is hypoventilation?</h3>
The term “hypoventilation” refers to breathing that is either too shallow or too slowly for the body's needs. Acid builds up, and there is insufficient oxygen in the blood as a result of this.
Hypoventilation is the term for excessively shallow or sluggish breathing. Low quantities of oxygen and high levels of carbon dioxide are the results in the blood.
Emphysema, cystic fibrosis, or bronchitis are a few lung conditions that can clog the lower airways and result in hypoventilation.
Therefore, chronic obstructive lung disease has been using low-flow oxygen therapy.
Learn more about hypoventilation here:
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