Final answer:
In the case of a backup of raw sewage in the kitchen, the appropriate action would be to close the kitchen and call the health department.
Step-by-step explanation:
In the case of a backup of raw sewage in the kitchen, the appropriate action would be to close the kitchen and call the health department (option e). This is necessary because raw sewage contains harmful bacteria and pathogens that can contaminate food and pose serious health risks to customers and staff. It is crucial to follow proper sanitation protocols and hygiene practices when dealing with sewage backups to ensure the safety and well-being of everyone involved. The health department will be able to provide guidance and assistance in addressing the issue and preventing further contamination.