Podcast
Questions and Answers
Which property is desirable in a good antiseptic/disinfectant?
Which property is desirable in a good antiseptic/disinfectant?
Which chemical compound has antiseptic properties and is present in Dettol and Lysol?
Which chemical compound has antiseptic properties and is present in Dettol and Lysol?
What is the mechanism of action of phenol as an antiseptic?
What is the mechanism of action of phenol as an antiseptic?
What happens at high concentrations of phenol on skin?
What happens at high concentrations of phenol on skin?
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Which type of microorganisms do disinfectants act against?
Which type of microorganisms do disinfectants act against?
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Study Notes
Antiseptics & Disinfectants Overview
- Antiseptics inhibit microbial growth on living surfaces like skin or mucous membranes
- Disinfectants destroy or inhibit the growth of pathogenic organisms on non-living surfaces
- Sterilizing agents kill all forms of microorganisms, including spores
- Properties of good antiseptic/disinfectant include being cidal, non-staining, active against all pathogens, active in the presence of pus, blood and exudates, rapid acting, non-irritating to tissues, non-corrosive, non-absorbable, and non-sensitizing
- Mechanisms of action of antiseptics/disinfectants include oxidation of bacterial protoplasm, coagulation of bacterial proteins, disruption of the cell membrane, and detergent-like action
- Phenol, also known as carbolic acid, is a chemical compound with antiseptic properties
- Phenol is present in products like Dettol, Lysol, and phenol detergent as a disinfectant
- Phenol disrupts cell walls and denatures proteins, and is rapidly absorbed through the pulmonary, gastrointestinal, and dermal routes
- High concentrations of phenol disrupt the dermal barrier and penetrate the skin
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Description
Test your knowledge on antiseptics and disinfectants, including their properties and uses in inhibiting the growth of microorganisms on living and non-living surfaces.
