A client with a tracheostomy is receiving oxygen through a tracheostomy collar. What is the advantage of using a tracheostomy collar for oxygen delivery?
Provides direct oxygen delivery to the trachea.
Allows the patient to breathe room air when disconnected from the oxygen source.
Provides the highest fraction of inspired oxygen (FiO2) among low-flow systems.
Delivers a fixed amount of oxygen independent of the patient's breathing pattern.
The Correct Answer is B
Choice A rationale:
Although a tracheostomy collar provides oxygen directly to the trachea, the advantage specified in the question is related to the ability to breathe room air when disconnected from the oxygen source.
Choice B rationale:
This is the correct answer because a tracheostomy collar has an opening that allows the patient to breathe room air when the oxygen source is disconnected. This feature enables the patient to participate in activities without continuous oxygen delivery, promoting mobility and reducing the feeling of being tethered to an oxygen supply.
Choice C rationale:
A tracheostomy collar does not provide the highest fraction of inspired oxygen (FiO2) among low-flow systems. High-flow systems, such as non-rebreather masks or venturi masks, typically provide the highest FiO2.
Choice D rationale:
A tracheostomy collar does not deliver a fixed amount of oxygen independent of the patient's breathing pattern. Instead, it provides supplemental oxygen in response to the patient's inspiratory effort, which is a characteristic of low-flow oxygen delivery systems.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Keep the reservoir bag fully inflated at all times.
Choice A rationale:
In a partial rebreather mask, the reservoir bag should be kept fully inflated at all times to ensure the delivery of the highest possible oxygen concentration during inspiration. The bag collects oxygen during expiration, and the one-way valve prevents the exhaled gases from entering the bag. This way, the patient can inhale a mixture of oxygen from the reservoir and fresh oxygen flow.
Choice B rationale:
Breathing through the mouth and exhaling through the nose is not a necessary instruction for a patient using a partial rebreather mask. It doesn't directly impact the effectiveness of oxygen delivery.
Choice C rationale:
Adjusting the elastic strap to fit snugly around the face is not specific to ensuring effective oxygen delivery. It is a general guideline for mask fitting but doesn't directly affect oxygen administration.
Choice D rationale:
Removing the mask every 15 minutes to check the skin is not necessary and can disrupt the delivery of oxygen therapy. It's essential to maintain a consistent oxygen supply to the patient's lungs, and removing the mask frequently can compromise that. Checking the skin can be done periodically without removing the mask completely.
Correct Answer is D
Explanation
Choice D rationale:
The nurse should connect the nasal cannula to a humidifier first. Dry and irritated nares are common side effects of oxygen therapy via nasal cannula, and using a humidifier adds moisture to the oxygen, reducing irritation and discomfort for the patient.
Choice A rationale:
Applying petroleum jelly to the nares is not the first action to take. It might provide temporary relief, but it is essential to address the root cause of dryness, which is the lack of moisture in the oxygen delivered.
Choice B rationale:
Increasing the flow rate of oxygen is not the first step because it may not address the dryness issue. It can lead to a higher concentration of oxygen, but it won't solve the problem of dry and irritated nares.
Choice C rationale:
Changing the nasal cannula to a face mask is not necessary to address the dryness. Face masks may not be well-tolerated by some patients, and it's better to try less invasive interventions first.
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