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PNC 1 SKILLS - Administering Oxygen by Nasal Cannula Questions and Answers
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PNC 1 SKILLS - Administering Oxygen by Nasal Cannula
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PNC 1 SKILLS - Administering Oxygenby Nasal Cannula
A nurse is caring for a client who has spontaneous respirations and needs to have
oxygen administered at a FiO2 of 100%. Which oxygen delivery system should the
nurse use? - answer Nonrebreather mask
Rationale: A nonrebreather mask is the only device that can deliver an FiO2 of 100% to
a client without a controlled airway. A Venturi mask delivers a maximum FiO2 of 55%. A
nasal cannula delivers a maximum FiO2 of 44%. A simple mask delivers a maximum
FiO2 of 60%.
A nurse is caring for a client receiving oxygen at 2 liters per minute via nasal cannula.
During the morning assessment, the nurse notes reddened areas at the top of the ears
and neck. What actions should the nurse take? Select all that apply. - answer-Request
a consult by a skin care team to determine further actions
-Apply padding to the tubing that goes over the ears and loosen neck tubing
-Loosen the nasal cannula tubing to ensure the tubing is not too tight.
Rationale: The nurse should ensure that reddened areas are adequately padded and
that tubing is not pulled too tight, which can cause reddening. If available, a skin care
team may be able to suggest methods to prevent further skin breakdown. It is not
necessary to cushion the entire length of the cannula tubing, only the areas causing
skin breakdown. A nonrebreather mask is not needed for a client who achieves
adequate oxygenation receiving 2 liters per minute.
The nurse is inserting a nasal cannula into the client's nostrils to improve oxygenation.
To correctly insert the curved prongs of the cannula, what would the nurse do? -
answerFollow the angle of the nose with the prongs pointed downward.
Rationale: When inserting the prongs of the cannula, the nurse would follow the natural
angle of the nose and point the prongs downward. Correct placement of the prongs and
fastener facilitates oxygen administration and client comfort; pointing the prongs upward
or placing them outside of the nostrils would hinder optimal oxygenation for the client. It
is not necessary to adjust airflow for one nostril at a time.
A health care provider prescribes oxygen for a client at 4 liters per minute via a nasal
cannula after an initial pulse oximeter reading of 88% on room air. Which is the priority
client assessment that the nurse should make prior to administering the oxygen? -
answerrespiratory rate and effort
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