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Cards In This Set
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What is the chain of infection?
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It requires a continuous link between 6 components
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What are the six links?
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Infections Agent, reservoir, portal of exit, means of tranmission, portal of entry, susceptible host
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What is an infectious agent?
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Basteria, fungi, parasites, viruses
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What is the reservior?
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Humans, animals, insects, fomites, blood and or body fluids
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What is the Portal of Exit
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Nose, mouth, mucous membranes, specimen collection
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Means of transmission
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Droplet, airborne, contact, vector, vehicle
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Portal of Entry
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Nose, mouth, mucous membrane, skin, unsterile equipment
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Susceptible Host
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Patients, elderly, newborns, the immuno-compromised, healthcare workers
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What are the means of transmission?
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Direct contact, droplet, airborne, vehicle
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Define direct contact
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Unprotected host touches or is touched by the reservoir
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Define droplet
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The host inhales material from the reservoir such as aerosol droplets froma n infected person
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Define airborne
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Inhalation of dried aerosol nuclei circulating on air currents or atached to dust particles
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Define vehicle
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Ingestion of contaminated food or water
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Define vector
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Parasite such as malaria transmitted via mosquito bite
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How is PPE put on?
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Gown, mask, gloves
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