A 4-year-old boy is brought to the ED because of dysphagia, excessive salivation, mild respiratory distress, orthopnea, and fever. The child’s father reports an abrupt onset of symptoms, with the child refusing to lie down for a nap. The physician diagnoses epiglottitis and arranges for the child to be admitted to the pediatric unit. Which factor should the nurse consider when planning this patient’s care?