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MA Black Module December, 2009

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
Created by: posiniv