A client is receiving oxygen therapy via a nasal cannula. When the client asks the nurse why he needs to have oxygen tubing in his nose, which of the following explanations about the cannula should the nurse give him?

"It delivers a specific concentration of oxygen constantly."

It allows you to remove it for a while when it gets uncomfortable."

"It delivers the low concentration of oxygen you need."

"It delivers the highest concentration of oxygen possible."

Answer and Explanation

The Correct Answer is C

A.   Nasal cannulas deliver a low flow rate of oxygen, which means the concentration of oxygen delivered is not constant and can vary depending on the client's breathing rate and depth.
B.   Nasal cannulas are designed to be worn continuously, and removing them can disrupt the delivery of oxygen and potentially worsen the client's condition.
C.   Nasal cannulas are typically used to deliver low concentrations of oxygen, which is often sufficient for patients with mild to moderate respiratory conditions.
D.   Nasal cannulas cannot deliver the highest concentration of oxygen possible. For patients who require higher concentrations of oxygen, other delivery methods, such as a face mask or mechanical ventilation, may be necessary.

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Correct Answer is B

Explanation

A. Aminophylline is a bronchodilator used to treat asthma. It is a common medication for asthma exacerbations and would be appropriate in this case.
B. Propranolol is a beta-blocker, which can worsen asthma symptoms by narrowing the airways. It should be avoided in clients with asthma.
C. Montelukast is a leukotriene receptor antagonist used to prevent asthma attacks. It is not typically used to treat acute exacerbations, but it can be used as part of long-term management.

D. Prednisone is a corticosteroid used to reduce inflammation in the airways. It is a common medication for asthma exacerbations and would be appropriate in this case.

A. Perform chest physiotherapy prior to suctioning B. Prelubricate the suction catheter tip with sterile saline when suctioning the airway. C. Hyperventilate the client with 100% oxygen before suctioning the airway. D. Provide humidified oxygen.

Correct Answer is D

Explanation

A. Chest physiotherapy can help mobilize secretions, but it primarily aids in clearing secretions rather than directly thinning them. While it may be beneficial as part of a comprehensive approach, it is not the most direct method for thinning secretions.
B. Prelubricating the suction catheter with saline does not effectively thin secretions. In fact, using saline in this way may introduce moisture that could inadvertently lead to complications, such as introducing infection or causing the client to cough.
C. While hyperventilation and providing oxygen are important for maintaining oxygen saturation during suctioning, this method does not help in thinning secretions. It may be used to ensure oxygenation during suctioning but is not effective for secretion management.
D. Providing humidified oxygen is an effective way to thin secretions. Humidity adds moisture to the airways, which can help to keep secretions less viscous and easier to clear. This is a standard practice in managing secretions in clients with tracheostomies.

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A client is receiving oxygen therapy via a nasal cannula. When the client asks the nurse why he needs to have oxygen tubing in his nose, which of the following explanations about the cannula should the nurse give him?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is admitting a client who is having an exacerbation of asthma. When reviewing the provider's orders, the nurse recognizes that clarification is needed for which of the following prescribed medications?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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