A nurse is caring for an asthmatic client who requires a low concentration of oxygen. Which delivery device should the nurse use in order to administer oxygen to the client?
face tent
nasal cannula
nonrebreather mask
simple mask
The Correct Answer is B
A. A face tent delivers oxygen but is typically used for clients who cannot tolerate masks and usually provides variable oxygen concentrations.
B. A nasal cannula is appropriate for delivering low concentrations of oxygen (typically 24% to 44%) and allows the client to eat, talk, and move more easily. It is commonly used for clients who need low-flow oxygen therapy, such as those with asthma.
C. A nonrebreather mask delivers high concentrations of oxygen (up to 100%) and is not suitable when only low oxygen concentrations are needed.
D. A simple mask delivers moderate oxygen concentrations (35% to 50%) and is generally used when higher oxygen levels are required than with a nasal cannula.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Taking medication when there is no pain may lead to unnecessary medication use.
B. Waiting until pain is at its worst (rating of 10) can make it harder to control and prolong discomfort.
C. Requesting pain medication before the pain becomes severe helps maintain better pain control and improves recovery.
D. Waiting until pain is severe and nonpharmacologic methods fail delays effective pain management and increases suffering.
Correct Answer is D
Explanation
A. Cheese is low in potassium.
B. Bread contains some potassium but is not a rich source.
C. Canned vegetables may have reduced potassium due to processing.
D. Bananas are high in potassium and are recommended to help correct hypokalemia.
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