A home care patient receives oxygen by nonrebreather (NRB) mask. Which does the nurse include when teaching the caregiver about the oxygen delivery system?
a. Keep the plastic bag at the end of the mask inflated continually.
b. Adjust the oxygen flow rate with the valve in front of the mask.
c. Offer fluids frequently and apply moistu-rizer to prevent dry skin.
d. Remove the elastic head strap to prevent skin breakdown at the ears.
A
To prevent inhalation of carbon dioxide, the nurse instructs the caregiver to maintain an inflated bag at the end of the mask because it serves as an oxygen reservoir for the patient. If the bag deflates, the patient is at risk of inhaling excessive levels of carbon dioxide. The nurse regulates the oxygen flow rate by adjusting the flowmeter on the oxygen source; the NRB mask does not have a mixing valve. It does not dehydrate the patient. It requires a tight seal for effective thera-py.
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