A nurse is caring for a client who is has 2nd and 3rd degree…

A nurse is caring for a client who is has 2nd and 3rd degree burns to the face and neck. The client is receiving oxygen mist at 40% by face tent. The client’s O2 sat per pulse oximetery is 89 %. ABG results are: pH 7.31, PaO2 93 mm Hg, PCO2 50 mm Hg, HCO3 25 mEq/L. Which of the following is an appropriate action by the nurse?