The security team activates a code pink (missing newborn) in the newborn nursery unit. Which procedure does the nurse follow to comply with the security plan?

1. The nursing staff stands guard at all entry and exit doors.
2. The nursing staff allows a health care provider carrying a large bag to exit the unit.
3. The nursing staff continues to monitor exit and entryways while documenting at the computer.
4. The nursing staff stops visitors and personnel carrying bags or wearing large lab coats.
5. The nursing staff allows visitors to enter while the code pink is activated.