What is NOT a method of disinfecting the operating room?

In the context of disinfecting the operating room, physical barriers are not considered a method of disinfection. Disinfection involves applying processes that eliminate or reduce pathogenic microorganisms to safe levels on inanimate objects and surfaces.

Chemical agents refer to substances such as disinfectants that are applied to surfaces to kill bacteria and viruses. Heat sterilization employs high temperatures to achieve sterilization, ensuring that all microorganisms, including spores, are eradicated. Ultrasound cleaning utilizes sound waves to agitate a fluid, effectively removing contaminants from surfaces, which is part of the cleaning process prior to disinfection.

Physical barriers, on the other hand, are used to prevent contamination and protect sterile fields rather than to eliminate microorganisms. They may include items like drapes or coverings that create a barrier against pathogens, but they do not actually disinfect surfaces or instruments. Thus, they do not contribute to the disinfection process itself, making them an inappropriate choice in this context.