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Asepsis
MA Black Module December, 2009
Question | Answer |
---|---|
aseptic techniques | measures that reduce or eliminate microorganisms |
Microorganisms | Living animals or plants visible only with a microscope |
nonpathogens | Harmless microorganisms |
Pathogens | Microorganisms that cause illness |
Aerobic Bacteria | Microorganisms that require oxygen |
Anerobic Bacteria | Microorganisms that exist without oxygen |
Helminths | Infectious worms |
Spore | Temporarily inactive microbial life form |
Chain of infection | Sequence that enables the spread of disease producing microorganisms |
Normal flora | Microorganisms that reside in and on humans |
Opportunistic infection | Disorders caused by nonpathogens that occur among people with compromised health |
Reservoir | Place where microbes grow & reproduce |
Exit route | Means by which microorganisms escape from their original reservoir |
Mode of transmission | Manner in which infectious microorganisms move to another location |
Port of entry | Site where microorganisms find their way onto or into a new host |
Susceptible host | One whose biologic defense mechanisms are weakened in some way |
Nosocomial infection | Infections acquired in a hospital |
Asepsis | Practices that decrease or eliminate infectious agents |
Medical asepsis | Clean technique |
Antimicrobial agents | Chemical that limit the numbers of infectious microorganisms |
Antiseptics | Chemicals that inhibit but do not kill bacteria |
Disinfectants | Chemicals that destroy bacteria but not spores |
Handwashing | Aseptic practice that involves scrubbing hands |
Resident microorganisms | Nonpathogens that are constantly present on skin |
Transient microorganisms | Bacteria picked up during brief contact wit contaminated reservoirs |
Concurrent disinfection | Measure that keep pt environment clean on a daily basis |
Terminal disinfection | Measures used to clean pt environment after discharge |
Surgical asepsis | measures that keep pt environment clean |
Sterile Technique | Practices that avoid contamination microbe free items |
Sterilization | Physical & chemical techniques that destroy all bacteria |
Lipping | Solution poured & discarded to wash away airborne contaminants from container |