Which oxygen delivery device can deliver 40-60% FIO2 and is from 5-8 L/min?
Nasal cannula
Simple face mask
Aerosol mask
Face tent
The Correct Answer is B
A: A nasal cannula delivers a lower concentration of oxygen, typically between 24-44% FIO2, and is used at flow rates of 1-6 L/min. It is not suitable for delivering 40-60% FIO2.
B: A simple face mask can deliver 40-60% FIO2 at flow rates of 5-8 L/min. It covers the nose and mouth, providing a higher concentration of oxygen compared to a nasal cannula.
C: An aerosol mask is used for delivering humidified oxygen or medications via nebulization. It can deliver varying concentrations of oxygen but is not specifically designed for 40-60% FIO2 at 5-8 L/min.
D: A face tent is used for patients who cannot tolerate a mask, such as those with facial trauma or claustrophobia. It provides humidified oxygen but does not deliver a precise FIO2 concentration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A: Posting a “No Smoking” sign in the home is crucial for safety when using home oxygen. Oxygen can accelerate combustion, making even a small spark potentially dangerous. This sign serves as a constant reminder to avoid smoking and open flames near the oxygen source.
B: Attaching oxygen containers to a fixed object is important to prevent them from falling over and potentially causing damage or leaks. However, this is not the most critical instruction compared to ensuring no smoking around oxygen.
C: Storing spare oxygen tanks in a closet is not recommended. Oxygen tanks should be stored in a well-ventilated area to prevent the buildup of oxygen, which could increase the risk of fire.
D: Notifying the fire department that oxygen is used in the home is a good safety measure. It ensures that emergency responders are aware of the presence of oxygen, which can affect their approach in case of a fire. However, it is not as immediate a safety measure as posting a “No Smoking” sign.
E: Ensuring oxygen tubing is no longer than 60 feet in length is important to maintain adequate oxygen flow and prevent tripping hazards. However, this is a secondary safety measure compared to preventing smoking around oxygen.
Correct Answer is A
Explanation
A: Providing the client with a diet high in protein is essential for maintaining skin integrity. Protein is crucial for tissue repair and regeneration, which helps prevent skin breakdown and promotes healing of existing wounds.
B: Repositioning the client every 3 hours is less effective than the recommended every 2 hours. Frequent repositioning helps to relieve pressure on vulnerable areas and prevent pressure injuries.
C: Massaging bony prominences is not recommended as it can cause further damage to already fragile skin and underlying tissues. Gentle handling and avoiding pressure on these areas are more appropriate.
D: Applying cornstarch to keep the skin dry is not advisable as it can lead to skin irritation and breakdown. Instead, using moisture-wicking products and maintaining proper skin hygiene are better practices.
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