An infant was brought to the emergency department with fever and respiratory distress. During the primary assessment,

An infant was brought to the emergency department with fever and respiratory distress. During the primary assessment, the nurse observed nasal flaring, nasal secretions, retractions, and coughing, so the patient’s nares were suctioned and high-flow oxygen was initiated. During the secondary assessment, the nurse observes that the patient’s breathing has become irregular and peripheral oxygen saturation has decreased. Based on these findings, how should the nurse proceed? A. Suction the patient’s nares again. B. Begin bag-mask ventilation. C. Complete the secondary assessment. D. Return to the airway assessment.