Pathology Infection and Diseases

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  1. What is pathology?
    The study of disease
  2. Define etiology
    The study of the cause of a disease
  3. What is pathogenesis?
    The development of disease.
  4. Colonization of the body by pathogens.
  5. Define disease
    An abnormal state in which the body is not functioning normally
  6. Commensalism
    One organism benefits, and the other is unaffected
  7. Mutualism
    a type of symbiosis that benefits both organisms
  8. Parasitism
    One organism benefits by deriving nutrients at the expense of the other; a type of symbiosis
  9. Opportunistic pathogens
    microbes the do not ordinarily cause disease in their normal habitat in a healthy person but may do so in a different environment
  10. Transient microbiota
    may be present for several days, weeks, or months and then disappear
  11. Normal microbiota
    • aka normal flora
    • the microorganisms that establish more or less permanent residence but that do not produce disease under normal condition
  12. Symbiosis
    the relationship between the normal microbiota and the host
  13. microbial antagonism
    competitive exclusion; normal microbiota can benefit the host by preventing the overgrowth of harmful microoganisms
  14. normal microbiota
    • protect the host by
    • - occupying niches that pathogens might occupy
    • - producing acids
    • - producing bacteriocins
  15. probiotics
    live microbes applied to or ingested into the boy, intended to exert a beneficial effect
  16. What is a change in body function that is felt by a patient as a result of disease
  17. a change in a body that can be measured or observed as a result of disease
  18. a specific group of signs and symptoms that accompany a disease
  19. Communicable disease
    a disease that is spread from one host to another
  20. Contagious disease
    a disease that is easily spread from one host to another
  21. Noncommunicable disease
    a disease that is not transmitted from one host to another
  22. Endemic disease
    A disease that is constantly present in a population.
  23. Epidemic disease
    disease acquired by many host in a given area in a short time
  24. Pandemic disease
    worldwide epidemic
  25. Herd immunity
    Immunity in most of the population
  26. Acute disease
    symptoms that develop rapidly
  27. Chronic disease
    a disease that derives slowly
  28. Subacute disease
    symptoms between acute and chronic
  29. Latent disease
    disease with a period of no symptoms when the causative agent in inactive
Card Set
Pathology Infection and Diseases
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