Oxygen Therapy Advancements and Delivery Systems
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Questions and Answers

Which type of oxygen therapy has been shown to improve survival and hospitalization rates in hypoxemic COPD patients?

  • High-flow oxygen therapy
  • Ambulatory oxygen
  • Oxygen-conserving devices
  • Nocturnal oxygen therapy (correct)

What type of oxygen delivery system is used to provide consistent oxygen therapy to hypoxemic patients, especially for those with mobility limitations?

  • Nasal prongs
  • High-flow oxygen therapy
  • Full-face masks
  • Portable liquid oxygen systems (correct)

In hypercapnic patients, what is equally effective in improving arterial blood gases as noninvasive positive pressure ventilation?

  • High-flow oxygen therapy (correct)
  • Oxygen-conserving devices
  • Portable liquid oxygen systems
  • Ambulatory oxygen

What is the reasonable target PaO2 level when providing 2 L/min of oxygen via nasal cannula to hypoxemic patients during resting or exercise-induced hypoxemia?

<p>Approximately 60 mm Hg (B)</p> Signup and view all the answers

For hypoxemic patients, what can impede the effectiveness of traditional oxygen delivery methods like nasal prongs or full-face masks?

<p>Cosmetic issues (B)</p> Signup and view all the answers

Why do hypercapnic patients face challenges in specifying target PaO2 levels for oxygen therapy?

<p>Varying ventilatory drive and chronic retention (D)</p> Signup and view all the answers

What is a potential risk of oxygen therapy in COPD patients with hypercapnia?

<p>Further reductions in ventilation (C)</p> Signup and view all the answers

When administering oxygen therapy to COPD patients, what is it recommended to monitor for potential adjustments or discontinuation?

<p>Substantial increase in PaCO2 (C)</p> Signup and view all the answers

In COPD patients with exertional breathlessness but without hypoxemia, what type of oxygen therapy can be used as a trial?

<p>Ambulatory oxygen (D)</p> Signup and view all the answers

Which oxygen delivery system is more efficient than a nasal cannula but can cause nasal congestion and irritation?

<p>Simple face mask (A)</p> Signup and view all the answers

In cases of chronic CO2 retention or severe acidosis, which method should oxygen be administered with?

<p>Mechanical ventilation (B)</p> Signup and view all the answers

When should invasive mechanical ventilation be used for COPD patients?

<p>As a last resort (D)</p> Signup and view all the answers

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