A nurse is providing oxygen therapy to a client with chronic obstructive pulmonary disease (COPD). Which oxygen delivery system would be most appropriate for this client?
Nasal cannula
Venturi mask
Non-rebreather mask
Oxygen tent
The Correct Answer is B
Explanation: The Venturi mask is the most appropriate oxygen delivery system for clients with COPD as it provides a precise and controlled oxygen concentration. This system allows for a specific amount of room air to mix with oxygen, ensuring a precise oxygen level is delivered without the risk of excessive oxygen concentration.
Incorrect choices: a. Nasal cannula delivers a lower oxygen concentration and may not provide sufficient oxygen for clients with severe COPD.
c. Non-rebreather mask delivers a high concentration of oxygen, which can potentially worsen the client's condition by reducing respiratory drive.
d. Oxygen tent is not commonly used in COPD management and is typically reserved for pediatric clients or those with specific respiratory conditions.
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Correct Answer is D
Explanation
Answer: d. High-flow nasal cannula
Explanation: High-flow nasal cannula is effective in delivering precise oxygen concentrations and provides consistent oxygenation for clients with severe hypoxemia.
Incorrect choices: a. Simple face mask, non-rebreather mask, and partial rebreather mask do not provide precise control over oxygen concentrations and may not be as effective in delivering accurate oxygenation in severe hypoxemia.
Correct Answer is C
Explanation
Answer: c. Continuous positive airway pressure (CPAP) mask
Explanation: CPAP mask provides positive pressure throughout the respiratory cycle, including expiration, and is effective in delivering the necessary PEEP in clients with ARDS.
Incorrect choices: a. Non-rebreather mask does not provide positive pressure and is not the appropriate choice for delivering PEEP.
b. Venturi mask is not designed to provide PEEP.
d. Bag-valve-mask device is typically used for manual ventilation and resuscitation, not for delivering continuous positive pressure.
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