A nurse is reinforcing teaching with a newly licensed nurse about a nonrebreather mask. Which of the following instructions should the nurse include?
The reservoir bag on a nonrebreather mask should collapse with exhalation.
A nonrebreather mask dries a patient's mucous membranes.
A nonrebreather mask should fit snugly over a patient's face.
Use a nonrebreather mask to deliver low-flow oxygen
The Correct Answer is C
Choice A reason: The reservoir bag on a nonrebreather mask should not collapse with exhalation. It is designed to maintain a continuous flow of oxygen and reserve a volume of oxygen for the patient to inhale with each breath.
Choice B reason: While high-flow oxygen can dry a patient's mucous membranes, a nonrebreather mask typically has a high oxygen flow rate, and humidification can be used to prevent drying.
Choice C reason: A nonrebreather mask must fit snugly over the patient's face to ensure that the highest concentration of oxygen is delivered and that there is minimal dilution with room air.
Choice D reason: A nonrebreather mask is used to deliver high-flow oxygen, not low-flow. It is designed to provide a high concentration of oxygen, typically around 60% to 90% FiO2.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Sterile gloves are not required for inserting an NG tube; clean gloves are sufficient as the nasal
cavity is not a sterile environment.
Choice B reason: The client should not be asked to cough while inserting the NG tube as this could disrupt the placement process. Instead, the client may be asked to swallow to facilitate the passage of the tube.
Choice C reason: Placing the client into a left lateral position is not the standard position for NG tube insertion. The
client should be in an upright or semi-Fowler's position to aid in the insertion process.
Choice D reason: Determining the length of the NG tube to be inserted is a crucial step to ensure that the tube
reaches the stomach without coiling in the esophagus or extending into the small intestine.
Correct Answer is C
Explanation
Choice A reason: Aspirating fluid from the IV cannula is not recommended as it does not address the issue of infiltration or extravasation.
Choice B reason: Placing the affected extremity below the level of the client's heart could worsen the swelling and is
not recommended.
Choice C reason: Slowing the IV infusion is a correct immediate action to minimize further infiltration and should be done while further assessment and interventions are planned.
Choice D reason: Placing a pressure dressing over the IV site is not recommended as it may exacerbate the infiltration
and increase discomfort.
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