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24 Cards in this Set
- Front
- Back
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What is cell-mediated immunity?
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involves T-Cells (specialized lymphocytes) that act against foreign organisms or tissues = like rejecting an organ
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immunoglobulins are...
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proteins
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What are the 5 types of C regions on an antibody?
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IgG
IgM IgA IgD IgE |
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What is a vaccine?
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Killed, inactivated, or attenuated (weakened) microorganisms, or toxoids, to induce artificially acquired active immunity.
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development of disease
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pathogenesis
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colonization of the body by pathogens
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Infection
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Disease
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An abnormal state in which the body is not functioning normally
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Etiology
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Study of the cause of a disease
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Pathology
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study of disease
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how long is transient microbiota present?
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Days weeks or months
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How long is normal microbiota present?
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Permanent colonization of the host
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symbiosis is...
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the relationship between normal microbiota and the host
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commensalism (in microbiota)
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one organism benefits, other unaffected
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Mutualism
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both organisms benefit
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parasitism
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one organism benefits at the expense of another
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What kind or pathogens are some normal microbiota?
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opportunistic
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Normal microbiota protect the host by
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occupying niches that pathogens might occupy
producing acids producing bacteriocins |
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Probiotics
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are live microbes applied to or ingested into the body, intended to exert a beneficial effect.
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bacteriocins are:
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an antimicrobial peptide produced by bacteria that kills other bacteria
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WHy are Koch's postulates used?
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to prove the cause of an infectious disease
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incidence
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Fraction of a population that contracts a disease during a specific time
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Prevalence
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Fraction of a population having a specific disease at a given time
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Sporadic disease
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disease that occurs occasionally in a population
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T cells are involved in
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cells mediated immunity
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