A 3-year-old male with cystic fibrosis, was brought to the e…

A 3-year-old male with cystic fibrosis, was brought to the emergency department with a 3-day history of worsening cough, fever, and increased difficulty breathing. His mother reports that his symptoms have progressively worsened, and he has been more fatigued and irritable than usual. He has a history of frequent respiratory infections due to his underlying CF, but this episode is notably more severe.  Child appears ill, with labored breathing, nasal flaring, and intercostal retractions. He is lethargic and slightly agitated, and his mother notes that he has been more clingy and less playful than usual. He has a chronic productive cough with thick, yellow-green sputum. Weight appears slightly below his expected growth curve for age, though there has been gradual improvement with nutrition therapy. Vital Signs: Temperature: 39.2°C (102.6°F) Heart Rate: 130 beats per minute (tachycardic) Respiratory Rate: 36 breaths per minute (tachypneic) Pulse oximetry: 89% on room air Oxygen Saturation: 90% on room air (indicating respiratory distress) Blood Pressure: 105/70 mmHg (within normal range) Respiratory: Chest Auscultation: Bilateral wheezing and crackles (rales), decreased breath sounds in the lower lobes. Increased Work of Breathing: Nasal flaring, use of accessory muscles, intercostal retractions, and a prolonged expiratory phase. Cough: Persistent, productive cough with thick yellow sputum Select which of the following nursing interventions would be most appropriate?