Final answer:
The purpose of the anti-abduction device placed on a newborn is to ensure the baby's identity and prevent abduction.
Step-by-step explanation:
The purpose of the anti-abduction device placed on a newborn is to ensure the baby's identity and prevent abduction (C). This device is typically in the form of a bracelet or anklet that is attached to the baby shortly after birth. It contains sensors and alarms that will sound if the baby is taken outside a certain radius or if the device is tampered with. This device provides added security and peace of mind for parents and healthcare providers.