A mixture of which components is used in chemical vapor sterilization?

Chemical vapor sterilization is a process that utilizes a mixture of specific chemicals to effectively sterilize medical instruments and supplies. The correct answer includes alcohols and formaldehyde, which are key components of the chemical vapor used in this sterilization method.

Alcohols serve as effective sterilizing agents due to their ability to denature proteins and dissolve lipids, making them suitable for killing a wide range of microorganisms. Formaldehyde contributes to the sterilization process by acting as a potent antimicrobial agent. When combined with water and other chemicals, this mixture can be heated to produce a vapor that penetrates the materials being sterilized. This vapor is capable of effectively destroying bacteria, viruses, and spores without the corrosiveness that other sterilants might exhibit.

Chemical vapor sterilization is favored for its ability to sterilize heat-sensitive instruments safely. Therefore, the combination of alcohols, formaldehyde, and water is essential for achieving optimal results while maintaining the integrity of the instruments being sterilized.