Flashcards in 9-2 Physical Control Deck (14):
To sterilize glassware, metals, powders, oils.
Ovens 171-340F for 1hr
To sterilize bone & skin tissue, heart valves for grafting, U.S. mail, and poultry.
Ionizing radiation (cathode ray, gamma ray, and x ray)
To sterilize metals, glass, syringes, dressings, animal carcasses.
To preserve microbes by dehydrating & freezing to prevent damaging ice crystals.
Desiccation (dehydrating) and lypohilization (freezing)
To preserve food by adding sugar or salt to dehydrate
To sterilize using steam with pressure for heat & moisture resistant materials and media.
Autoclave steam and pressure 121c 15psi
To disinfect or sterilize an operating room in a hospital.
Nonionizing radiation (UV 260 nm)
A bacteriostatic method that slows metabolism; used for food and milk
To sterilize milk using 140C for 3” so can store at room temperature indefinitely
Ultra-high temperature sterilization
To disinfect drinking water, baby materials, food, utensils.
Boiling water 100c
To sterilize heat sensitive liquids like serum vaccines, enzymes, and media.
To preserve food using dehydration.
A bacteriostatic method for food preservation that solidifies available water.
Refrigeration cold (o-7c)