As an advanced practice nurse, you will need to assess

Please explain why each choice is correct or incorrect according to Kettering.. Oxygen via 28% air entrainment mask Is the answer. A 76 year-old patient with a history of emphysema is admitted to the hospital with a chief complaint of dyspnea. Assessment of breath sounds reveals decreased aeration and bilateral rales and the respiratory therapist notices that the patient has an irregular respiratory pattern. An arterial blood gas was drawn on room air in the Emergency Department and reveals the following: pH 7.35 PaC02 68 torr Pa02 45 torr HC03- 36 mEq/L Sa02 78% The respiratory therapist should recommend a. Non-invasive positive pressure ventilation. b. Oxygen via 28% air entrainment mask. c. Small volume nebulizer with a bronchodilator. d. Nasal cannula at 2 L/min.

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