A nurse is caring for a patient who requires oxygen therapy due to hypoxia. What is the goal of oxygen therapy for this patient?

To provide the highest fraction of inspired oxygen (FiO2) possible.

To use the lowest FiO2 that achieves an acceptable blood oxygen level without harmful side effects.

To maintain a constant FiO2 regardless of the patient's breathing pattern.

To deliver a fixed amount of oxygen that is independent of the patient's condition.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

The goal of oxygen therapy is not to provide the highest fraction of inspired oxygen (FiO2) possible. This approach can be harmful because excessively high FiO2 levels can lead to oxygen toxicity and other side effects, especially in patients with certain conditions like chronic obstructive pulmonary disease (COPD).

Choice B rationale:

The goal of oxygen therapy is to use the lowest FiO2 that achieves an acceptable blood oxygen level without harmful side effects. This approach is known as titrating the oxygen therapy to the patient's needs and helps prevent potential complications associated with excessive oxygen administration.

Choice C rationale:

Maintaining a constant FiO2 regardless of the patient's breathing pattern is not the goal of oxygen therapy. In some cases, patients may require varying FiO2 levels based on their respiratory status, so it is essential to adjust the oxygen delivery accordingly.

Choice D rationale:

Delivering a fixed amount of oxygen that is independent of the patient's condition is not the goal of oxygen therapy. Oxygen therapy should be individualized and tailored to the patient's specific needs to optimize its effectiveness and safety.

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Correct Answer is ["A","B","D"]

Explanation

Choice A: Nasal cannula is a low-flow oxygen delivery system. It delivers a variable oxygen concentration depending on the patient's breathing pattern.

Choice B: Simple face mask is also a low-flow oxygen delivery system. It provides a variable oxygen concentration based on the patient's respiratory rate and tidal volume.

Choice C: Venturi mask is not a low-flow system. It is a high-flow oxygen delivery device that provides a fixed oxygen concentration by mixing oxygen with room air.

Choice D: Non-rebreather mask is considered a low-flow oxygen delivery system. It provides a high concentration of oxygen but does not ensure a precise oxygen concentration due to varying patient ventilation.

A. Venturi mask. B. Non-rebreather mask. C. Aerosol mask. D. Simple face mask. E. Tracheostomy collar.

Correct Answer is ["A","C","E"]

Explanation

The correct answers are choices A, C, and E.

Choice A rationale:

A Venturi mask is designed to deliver a precise concentration of oxygen and is often used in COPD, where it is important not to over-oxygenate the patient. It allows for the adjustment of oxygen concentration by changing the color-coded entrainment adapters.

Choice B rationale:

A non-rebreather mask is not typically used for clients who require a precise concentration of oxygen because it is designed to deliver high concentrations of oxygen, but without a way to precisely control the amount.

Choice C rationale:

An aerosol mask can be used with a nebulizer system to deliver specific concentrations of oxygen along with medication, which is beneficial for COPD patients who may need bronchodilators or steroids in addition to oxygen therapy.

Choice D rationale:

A simple face mask is not suitable for delivering a precise concentration of oxygen as it does not allow for the fine control needed for COPD patients. It is generally used for short-term oxygen therapy and for patients who require a moderate amount of oxygen.

Choice E rationale:

A tracheostomy collar can provide a specific concentration of oxygen when used with a tracheostomized patient and is suitable for long-term use in COPD patients who have a tracheostomy.

In summary, for a client with COPD who requires a precise concentration of oxygen, the Venturi mask, aerosol mask, and tracheostomy collar are appropriate choices as they allow for the delivery of a specific and controlled amount of oxygen.

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A nurse is caring for a patient who requires oxygen therapy due to hypoxia. What is the goal of oxygen therapy for this patient?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

(Select all that apply): A nurse is educating a group of patients about different oxygen delivery devices. Which of the following are examples of low-flow oxygen delivery systems?

Correct Answer is ["A","B","D"]

Explanation

(Select all that apply) A nurse is preparing to administer oxygen therapy to a client who has COPD and requires a precise concentration of oxygen. Which of the following devices should the nurse use for this client?

Correct Answer is ["A","C","E"]

Explanation

A nurse is caring for a client who has hypoxemia and is receiving oxygen therapy via nasal cannula at 4 L/min. The nurse should monitor the client for which of the following complications of oxygen therapy?

A nurse is assessing a patient who is receiving oxygen therapy via venturi mask. The nurse hears a hissing sound from the mask and observes that the patient's skin color is pale. What should the nurse say to the patient?

A nurse is caring for a patient who is receiving oxygen therapy via non-rebreather mask at 15 L/min. The nurse should recognize that this device has which of the following advantages?(Select all that apply)

A nurse is evaluating the effectiveness of oxygen therapy for a patient who has COPD. The nurse notes that the patient's PaO2 is 65 mmHg and SaO2 is 88%. What should the nurse say to the patient?

A nurse is caring for a patient who is using a partial rebreather mask for oxygen therapy. The patient reports feeling short of breath. What is the nurse's priority action?

A nurse is caring for a client who is dyspneic and slightly cyanotic, with a respiratory rate of 28/min. The nurse determines that the client has impaired gas exchange during which of the following phases of the nursing process?

A nurse is caring for a patient who has a tracheostomy and is receiving oxygen therapy via tracheostomy collar at 40% FiO2. The nurse should ensure that which of the following is in place to prevent complications?

A client with a tracheostomy is receiving oxygen through a tracheostomy collar. What is the advantage of using a tracheostomy collar for oxygen delivery?