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23 Cards in this Set

  • Front
  • Back
List the chain of infection (6 steps)
1. etiologic agent
2. reservoir
3. portal of exit
4. method of transmission
5. portal of entry to susceptible host
6. susceptible host
Airborne transmission
Droplet nuclei or dust particles containing an infectious agent transmitted by air currents to a suitable portal of entry, usually the respiratory tract of another person.
An agent that inhibits the growth of some microorganisms.
Freedom from infection or infectious material.
Body substance isolation (BSI)
A system of infection control based on the principle that all people have increased risk for infection from microorganisms placed on their mucous membranes and nonintact skin; all people may have potentially infectious microorganisms in their moist body sites and substances; and an unknown portion of clients and health care workers will always be colonized or infected with potentially infectious microorganisms in their blood and other moist body sites and substances.
Category-specific precautions
An infecion control system based on the need for strict isolation, contact isolation, respiratory isolation, tuberculosis isolation, enteric precautions, drainage/secretions precautions, or blood/body fluid precautions.
Contact precautions
An infection control category based on providing barriers to the direct contact route of infectious organism transmission.
Direct transmission
Immediate and direct transfer of microorganisms from person to person through touching, biting, kissing, or sexual intercourse.
Disease-specific precautions
Delineation of the use of private rooms, special ventilation, and use of gowns to care for clients with particular diseases or microorganisms.
Agent that destroys all microorganisms.
An inanimate object other than food that can harbor disease producing microorganisms and transmit an infection.
Indirect transmission
Vehicle-borne or vector-borne transmission of infectious organisms.
Medical asepsis
All practices intended to confine a specific microorganism to a specific area, limiting the number, growth, and spread of microorganisms.
Mode of transmission
In the cycle of infection, the means of the organism reaching another person or host.
Portal of entry
In communicable disease, the opening through which infectious organisms invade the body (urinary tract, resp tract, open wound)
Portal of exit
In communicable disease, the location through which infectious organisms leave the body (resp tract, infected wound, skin)
A source of microorganisms.
A round or oval structure enclosed in a tough capsule.
Sterile field
A specified area that is considered free from microorganisms.
Surgical asepsis (sterile technique)
Practices that keep an area or object free of all microorganisms.
Transmission-based precautions
An infection control system based on the route of movement of microorganisms: airborne, droplet, or contact.
Vehicle-borne transmission
Transport of an infectious agent into a susceptible host via any intermediate substance.
Vector-borne transmission
Microorganisms from an insect or other animal transferred from a reservoir to a host.