A patient is undergoing oxygen therapy through a nasal cannula.If the patient inquires about the reason for having oxygen tubing in their nose, what explanation about the cannula should the nurse provide?

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

It delivers the low concentration of oxygen you need.

It delivers a specific concentration of oxygen constantly.

It delivers the highest concentration of oxygen possible.

Answer and Explanation

The Correct Answer is B

Choice A rationale
While it’s true that a nasal cannula allows the patient to remove it for a while when it gets uncomfortable, this is not the primary reason for using a nasal cannula. The main purpose of a nasal cannula is to deliver oxygen.
Choice B rationale
A nasal cannula delivers the low concentration of oxygen that the patient needs. It is designed to provide a specific amount of oxygen, and the flow rate can be adjusted as needed.

Choice C rationale
While a nasal cannula does deliver a specific concentration of oxygen, it does not do so constantly. The amount of oxygen delivered can vary depending on the patient’s breathing rate and depth.
Choice D rationale
A nasal cannula does not deliver the highest concentration of oxygen possible. Other devices, such as non-rebreather masks, can deliver higher concentrations of oxygen.

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Correct Answer is A

Explanation

Choice A rationale
Placing a bath seat in the shower is a good safety measure for a patient with a history of falls. It allows the patient to sit while bathing, reducing the risk of slipping and falling.
Choice B rationale

Keeping the fluorescent ceiling light on in the room at night can actually increase the risk of falls. It can create shadows and glare that can be disorienting, especially for older adults.
Choice C rationale
Placing an area rug at the entry of the bathroom is not recommended. Rugs can easily become tripping hazards, especially if they’re not secured to the floor.
Choice D rationale
Keeping a walker at the end of the bed can be helpful for some patients, but it’s not the best indication that the patient understands home safety instructions. It’s important that the walker is used correctly and that the patient’s home is arranged to accommodate its use.

A. Instruct the client to use a pursed-lip breathing technique. B. Increase the oxygen flow to 3L/min. C. Have the client cough and expectorate secretions. D. Evaluate the client’s respiratory status.

Correct Answer is D

Explanation

Choice A rationale
Pursed-lip breathing can help improve oxygenation and reduce shortness of breath in clients with COPD. However, it is not the priority action when a client reports difficulty breathing.
Choice B rationale
Increasing the oxygen flow rate without a physician’s order can lead to oxygen toxicity or suppress the respiratory drive in clients with COPD. Therefore, this is not the priority action.
Choice C rationale
Coughing and expectorating secretions can help clear the airways, but it is not the priority action when a client reports difficulty breathing.

Choice D rationale
Evaluating the client’s respiratory status is the priority action. The nurse should assess the client’s breath sounds, respiratory rate, use of accessory muscles, and oxygen saturation to determine the severity of the client’s difficulty breathing and guide further interventions.

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A patient is undergoing oxygen therapy through a nasal cannula.If the patient inquires about the reason for having oxygen tubing in their nose, what explanation about the cannula should the nurse provide?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reinforcing home safety instructions for a patient with a history of falls. Which statement should the nurse identify as an indication that the patient understands the instructions?

Correct Answer is A

Explanation

A home health nurse is visiting a client who has COPD and is receiving oxygen at 2 L/min via nasal cannula. The client reports difficulty breathing.What is the nurse’s priority action?

Correct Answer is D

Explanation

A patient is undergoing oxygen therapy through a nasal cannula.If the patient inquires about the reason for having oxygen tubing in their nose, what explanation about the cannula should the nurse provide?

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