1. To evaluate the effectiveness of ordered interventions for a patient with ventilatory failure, which diagnostic test will be most useful to the nurse?: Answer Arterial blood gas analysis 2. While caring for a patient who has been admitted with a pulmonary embolism, the nurse notes a change in the patients oxygen saturation (SpO2) from 94% to 88%.Which action should the nurse take next?: Answer Increase the oxygen flow rate. 3. A patient with respiratory failure has a respiratory rate of 6 breaths/minute and an oxygen saturation (SpO2) of 88%. The patient isincreasingly lethargic. Which intervention will the nurse anticipate?: Answer Endotracheal intubation and positive pressure ventilation 4. The oxygen saturation (SpO2) for a patient with left lower lobe pneumonia is 90%.The patient has rhonchi, a weak cough effort, and complains of fatigue. Which action is a priority for the nurse to take?: Answer Assist the patient with staged coughing. 5. A nurse is caring for an obese patient with right lower lobe pneumonia. Which position will be best to improve gas exchange: Answer On the left side 6. When admitting a patient with possible respiratory failure with a high PaCO2, which assessment information should be immediately reported to the health care provider?: Answer The patient is somnolent