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Which procedure is specifically designed to eliminate highly resistant bacterial endospores?

  1. Sanitization

  2. Sewage treatment

  3. Sterilization

  4. Disinfection

The correct answer is: Sterilization

The procedure specifically designed to eliminate highly resistant bacterial endospores is sterilization. Sterilization is a comprehensive process that destroys all forms of microbial life, including bacterial endospores, which are known for their resilience to extreme environmental conditions, such as heat, desiccation, and chemical treatments. Techniques used in sterilization can include methods such as autoclaving, which uses high-pressure steam, or dry heat, all of which are effective in achieving a total microbial kill. Sanitization refers to reducing microbial populations to safe levels but does not guarantee the complete elimination of all organisms, including resistant ones. Sewage treatment primarily involves processes to treat wastewater, focusing on reducing harmful pathogens but not specifically targeting endospores. Disinfection aims to kill or deactivate pathogenic organisms on surfaces or instruments, but it doesn't necessarily ensure the destruction of all bacterial spores, especially the more resistant ones. Therefore, only sterilization effectively meets the requirement for eliminating those highly resistant bacterial endospores.