Final answer:
The correct depth for chest compressions on a child during CPR is 1 ½ to 2 ¼ inches or about one-third the depth of the chest, with a pace of at least 100 compressions per minute.
Step-by-step explanation:
When performing compressions on a child during CPR or during unconscious foreign body airway obstruction maneuvers, the proper depth of chest compressions should be 1 ½ inches to 2 ¼ inches (approximately 4 to 5 cm) or about one-third the depth of the chest.
This compression depth ensures that sufficient pressure is applied to the sternum to pump blood effectively while minimizing the risk of injury to the child. The rate of compression should also be at least 100 compressions per minute, which can be timed to the beat of the song 'Staying Alive' by the Bee Gees to help maintain a consistent pace. Proper training is essential to conducting CPR effectively and minimizing risks to the patient, as improper technique can lead to severe injuries such as broken ribs or damage to internal organs.