Final answer:
No, free-flow supplemental oxygen is not effective if the baby isn't breathing. Medical professionals need to perform resuscitation techniques and provide interventions like oxygen and assisted breathing through intubation or mechanical ventilation.
Step-by-step explanation:
No, free-flow supplemental oxygen is not effective if the baby isn't breathing. When a baby is not breathing, it indicates a serious problem that may require immediate medical attention. In such cases, medical professionals need to perform resuscitation techniques, including interventions like providing oxygen and assisting breathing through intubation or mechanical ventilation.