Which of the following is a requirement for a funeral establishment's prep room?

The requirement for a funeral establishment's prep room to have an exhaust fan is essential for several reasons. Exhaust fans are crucial for maintaining proper air quality and sanitation in a prep room where embalming and body preparation occur. They help to control and ventilate any potentially harmful odors and airborne pathogens that may be present, ensuring a safer and more hygienic environment for both staff and clients.

Additionally, the presence of an exhaust fan aligns with health and safety regulations that are designed to protect the workers’ health and enhance the overall cleanliness of the facility. Such ventilation also aids in the proper disposal of gases and fumes generated during procedures, contributing to a well-regulated and compliant prep area.

The other options do not meet the necessary functional and regulatory standards for a prep room, which underscores why having an exhaust fan is pivotal for compliance and health standards in funeral establishments.