The nurse takes into consideration that while caring for a patient on oxygen therapy, safety precautions should be observed, which include:

removing any adhesive from the patient's skin with acetone

assessing equipment in room for frayed cords

reducing humidification on the oxygen delivery device

using clothing of synthetic cloth for the patient

Answer and Explanation

The Correct Answer is B

A. Removing any adhesive from the patient's skin with acetone: Acetone is highly flammable and should not be used near oxygen equipment.
B. Assessing equipment in room for frayed cords: Frayed cords can cause electrical sparks, which may ignite in an oxygen-rich environment.
C. Reducing humidification on the oxygen delivery device: Humidification is essential to prevent mucosal dryness; reducing it unnecessarily can cause airway irritation.
D. Using clothing of synthetic cloth for the patient: Synthetic materials generate static electricity, which can ignite in the presence of oxygen. Cotton clothing is preferred.

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Correct Answer is A

Explanation

A. Oxygen diffuses across the alveolar membrane into the blood: This is the primary function of the respiratory system, ensuring oxygenation of blood.
B. The alveoli have cilia that help remove foreign particles: Cilia are present in the respiratory tract, but not in the alveoli.
C. The diaphragm controls respiration: The diaphragm assists with breathing but does not "control" respiration, which is regulated by the brainstem.
D. The bronchioles contain macrophages that phagocytize inhaled bacteria: Macrophages are found in alveoli, not the bronchioles.

A. endotracheal tube B. partial rebreather oxygen mask C. tracheostomy D. pharyngeal airway

Correct Answer is D

Explanation

A) Endotracheal tube. An endotracheal tube is invasive and used for patients who require mechanical ventilation, not for simple airway maintenance.
B) Partial rebreather oxygen mask. A partial rebreather mask is used to deliver oxygen, not to maintain airway patency.
C) Tracheostomy. A tracheostomy is a surgical procedure for long-term airway management and is unnecessary in this scenario.
D) Pharyngeal airway. A pharyngeal airway helps maintain airway patency by preventing the tongue from obstructing the airway.

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The nurse takes into consideration that while caring for a patient on oxygen therapy, safety precautions should be observed, which include:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which is a function of the respiratory system?

Correct Answer is A

Explanation

The nurse recognizes that a postoperative patient who can breathe independently but has trouble maintaining an airway because of the tongue falling back into the throat would be best benefitted by a(n)

Correct Answer is D

Explanation

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