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. Use a 14-Fr catheter: This is the appropriate size for suctioning an adult to effectively remove thick secretions.
B. Use suction pressure between 120 and 160 mm Hg: This pressure is too high and may cause mucosal damage; 100 to 120 mm Hg is recommended for adults.
C. Use an 8-Fr catheter: This size is too small for effectively suctioning thick secretions in adults.
D. Use the catheter to suction the mouth and nasopharynx: Suctioning the mouth first contaminates the catheter, increasing the risk of infection in the nasopharynx.

A. Oxygen diffuses across the alveolar membrane into the blood. B. The alveoli have cilia that help remove foreign particles. C. The diaphragm controls respiration. D. The bronchioles contain macrophages that phagocytize inhaled bacteria.

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.

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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

A nurse is nasopharyngeal suctioning an adult patient to remove thick secretions. The nurse will:

Correct Answer is A

Explanation

Which is a function of the respiratory system?

Correct Answer is A

Explanation

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