Final answer:
If the chemical indicators are missing from a sterile major tray, do not use any items from the tray, inform a supervisor, and follow proper reporting and documentation protocols.
Step-by-step explanation:
If you discover that the chemical indicators are missing upon opening a sterile major tray, you should take the following steps:
- Do not use the tray or any items from it.
- Inform a supervisor or teacher immediately.
- Follow the proper protocol for reporting and documenting the missing indicators.
It is important to ensure that all necessary indicators are present in order to maintain sterility and safety in a medical setting.