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42 Cards in this Set
- Front
- Back
Asepsis |
freedom from infection
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Bacteria |
prokaryotic single-cell organisms
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Blood-borne Pathogens
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disease caused by microorganisms present in human blood
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Cyst
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stage in the life of parasites when they are enclosed in a protective wall
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Dimorphic
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occurring in two distinct forms - fungi |
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Disinfectants
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chemicals used to free an environment from pathogenic organisms or to render such organisms inert
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Eukaryotes
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organisms whose cells have a nucleus
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Flora
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microbial community found in a healthy person
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Fomite
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Object harboring pathogenic microorganisms, such as a door knob. |
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Fungi
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a group of eukaryotic protists including mushrooms, yeasts, molds and smuts lacking chlorophyll |
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Host
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animal or plant that harbors another organism
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Iatrogenic
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resulting from activity of physicians
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Immunity
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security against a particular disease
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Infection
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invasion and multiplication of microorganisms in body tissues
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Medical Asepsis
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reduction in numbers of infectious agents to decrease the probability of infection
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Microorganisms
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bacteria, viruses, fungi and protozoa
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Nosocomial
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originating in the hospital - infection occurring 72 hours after admission |
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Pathogens
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disease-producing microorganisms
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Prokaryocytes
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cellular organisms lacking a nucleus
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Protozoa
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unicellular organisms - plasmodium vivax (malaria)
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Reservoir
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alternate or passive host or carrier that harbors pathogenic organisms without injury to itself |
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Standard Precautions
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precautions to prevent the transmission of disease by body fluids and substances
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Sterilization
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complete destruction or elimination of all living microorganisms
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Surgical Asepsis
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procedure to prevent contamination by microbes during or after surgery
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Vaccine
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suspension of attenuated or killed microorganisms administered for the prevention of infectious disease |
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Vector
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carrier of disease (usually an arthropod)
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Virion
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complete viral particle containing the nucleoid and capsid. Also known as a viral particle
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Viruses
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any group of minute infectious agents characterized by a lak of independent metabolism and replicating in host cells
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Morphology
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size and shape of pathogen - cocci, bacilli and spirals
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Endospore
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metabolically dormant structures resistant to the external environment and can become infectious
Clostridium, Bacillus |
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Establishment of Infectious Disease |
Encounter, Entry, Spread, Multiplication, Damage, Outcome
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Carrier
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human reservoir
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Koch's postulate
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4 factors involved in spread of disease: |
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Exogenous
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from the outsidw |
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Endogenous
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from the inside |
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Antiseptic |
disinfectant applied topically |
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Bacteriostatic |
stops bacterial growth |
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Bacteriocidal
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kills bacteria
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Universal Precautions
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body substance isolation precautions (standard precautions)
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Airborne Precautions
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Pathogenic organisms transmitted in the air. Requires respiratory precautions
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Droplet Precautions |
Large particulate droplets causing protection. Usually only travel about 3 feet. Surgical mask required, but special ventilation is not required
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Contact Precautions
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taken when caring for a patient infected with a pathogen that spreads by direct contact. Gloves and gown required
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