Final answer:
An advanced airway should be considered in a newborn when the newborn is apneic and does not respond to initial resuscitation efforts.
Step-by-step explanation:
An advanced airway should be considered in a newborn when the newborn is apneic and does not respond to initial resuscitation efforts. This is because poor scores for heart rate and respiration, which are the most critical Apgar criteria, may indicate the need for immediate medical attention to resuscitate or stabilize the newborn. In general, any Apgar score lower than 7 at the 5-minute mark indicates that medical assistance may be needed, and a total score below 5 indicates an emergency situation.