| Term | Definition |
|---|
| denaturing proteins | moist heat sterilization kills by _____________ and changing physical state of lipids |
| autoclaving | steam under pressure |
| boiling | most readily available form of disinfection |
| pasteurization | heat disinfection, not sterilization; prolongs shelf life of milk, wine, cider |
| thermal death point | temperature at which suspension of microbes is killed after 10 minutes |
| thermal death time | length of time necessary at a given temperature to kill a suspension of microbes |
| incineration or direct flaming | 100% effective. method used when ancients burned the clothing of hansens disease patients |
| hot-air sterilization | used when moist heat or direct flame would dull instrument; |
| hot-air sterilizaiton | used to sterilize oils, petroleum jellies, petri dishes, cutting edges of instruments |
| heating in oil or silicone fluid | sterilization used on dental handpieces |
| granular heating media | sterilization backup when you can't burn materials like sand, glass beds, stainless steel beads |
| uneven temperature throughout | disadvantage of granular heating media |
| 290-220 nm | UV radiation range |
| Thymic dimers | UV radiation causes DNA to mutate/kill cell by causing ______ to form |
| microwave irradiation | fast form of radiation, but does not necessarily kill |
| activating atoms | by ionizing or ___________, microbial cells are destroyed |
| beta rays | used to sterilize prepackaged sutures, plastic tubing, syringes,; proposed to treat sewage and wastewater |
| lasers | radiation that sterilizes instruments and pick microbes off a wound surface |
| ultrasonic | sound waves of high frequencey that coagulate protein; disrupt cells |
| osmotic pressure | _______ takes place when salt and sugar are used in canning/ curing hams to kill bacteria |
| isolation | avenues of infection not walls and doors |
| concurrent disinfection | ongoing while patient present |
| formalin | to disinfect shoes, soak cotton in ______ and place in show for 24 hrs in box |
| alcohol | clinical thermometers should be stored in ______ |
| terminal | procedure to clean room once the patient has vacated |
| fumigate with gases | one way to destroy disease carrying insects/animals is to |
| day surgery | performed in surgical facilities outside of hospitals |
| sterilize | remove all life |
| disinfect | remove disease-producing organisms and their products associated with fomites |
| does not | disinfection (does/ does not) necessarily remove saprophytes |
| sanitize | reduce # of bacteria to an artificial standard |
| antiseptic | prevent multiplication of bacteria on living body; does not necessarily kill bacteria |
| kill bacteria, spores | germicides __________ but necessarily their _____ |
| dissolve | good disinfectant __________ easily in water |
| oxygen | disinfectants and antiseptics release a lot of ______ to stop bacterial cells |
| microbial proteins | antiseptics and disinfectants combine with _____ to form salts |
| inactivate | antiseptics and disinfectants coagulate proteins to _______ vital enzymes of microbes |
| permeability | antiseptics and disinfectants modify the ________ of the microbe's plasma membrane |
Combine with other sets
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