Disinfection

Definition

Disinfection is the process of eliminating or reducing harmful microorganisms from inanimate objects and surfaces. It does not necessarily kill all microorganisms, especially resistant bacterial spores.

5 Must Know Facts For Your Next Test

1. Disinfection targets pathogenic microorganisms to prevent infection.
2. Chemical agents such as alcohols, chlorine compounds, and phenolics are commonly used for disinfection.
3. The effectiveness of a disinfectant can be influenced by concentration, contact time, and the presence of organic matter.
4. Disinfectants are classified into high-level, intermediate-level, and low-level based on their spectrum of activity.
5. Unlike sterilization, disinfection does not achieve complete microbial eradication.

Review Questions

Related terms

Sterilization:

A process that destroys all forms of microbial life including bacterial spores.

Antisepsis:

The practice of using antiseptics to eliminate pathogens on living tissues.

Sanitization: The process of reducing microbial contamination to safe levels according to public health standards.