BIOL 2210 Study Guide - Quiz Guide: Bacteriostatic Agent, Hexachlorophene, Iodophor
Document Summary
Disinfectant - reduces the number of pathogens to a level at which they pose no danger of disease. Used on inanimate objects, not on living tissue. Antiseptic - kills the microbes or inhibits growth on live tissue. Commercial sterilization - food is subjected to just enough heat in order to destroy. Material are frozen ice changes directly to gas. Cresol - a phenolic from the greasewood bush. Used to prevent rotting of wood (wooden posts, fences, railroad ties, etc. Now known to increase the risk of brain damage in babies. Hydrogen peroxide - used as an antiseptic and disinfectant. Used to preserve tissues and to embalm bodies. Low concentrations are used to render microbes inactive for vaccines. Used to sterilize heat labile (heat sensitive) material. Applied to the eyes of newborns to prevent gonorrhea. Wetting agent - surfactant that is added to another chemical agent to help it penetrate fatty substances.
