Health Final (cont'd)

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paulanoel
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184492
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Health Final (cont'd)
Updated:
2012-11-19 15:49:44
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health final
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study for health final.
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  1. Infectious disease transmission
    • 1. pathogen
    • 2. epidemic
    • 3. pandemic
  2. pathogen
    disease-causing agent
  3. epidemic
    significant increase in the number of cases of an infection within a time period
  4. pandemic
    epidemic that crosses national boundaries, like HIV/AIDS
  5. 7 pathogens
    • 1. viruses
    • 2. prions
    • 3. bacteria
    • 4. fungi
    • 5. protozoa
    • 6. rickettsia
    • 7. parasitic worms
  6. viruses
    • 1. flu
    • 2. herpes
    • 3. chicken pox
    • 4. AIDS
  7. prions
    mad cow disease
  8. bacteria
    • 1. tetanus
    • 2. strep
    • 3. gonorrhea
    • 4. Lyme disease
  9. fungi
    • 1. athlete's foot
    • 2. ringworm
  10. protozoa
    • 1. malaria
    • 2. amebic dysentery
  11. rickettsia
    • 1. typhus
    • 2. rocky mountain spotted fever
  12. parasitic worms
    • 1. tapeworm
    • 2. roundworm
    • 3. elephantiasis
  13. chain of infection
    • 1. agent
    • 2. reservoir
    • 3. portal of exit
    • 4. mode of transmission
    • 5. portal of entry
    • 6. new host
  14. reservoir
    person, surface, mosquito, dog, flea, etc.
  15. portal of exit
    cough, sneeze, kiss, sex
  16. mode of transmission
    • 1. direct - bodily fluids
    • 2. indirect - fomites and vectors
  17. fomites
    objects, like silverware
  18. vectors
    transporters, like mosquitos and dogs
  19. portal of entry
    • 1. nose
    • 2. mouth
    • 3. ears
    • 4. eyes
    • 5. anus
    • 6. vagina
    • 7. penis
  20. new host
    AKA new reservoir
  21. 5 stages of infection
    • 1. incubation stage
    • 2. prodromal stage
    • 3. clinical stage
    • 4. decline stage
    • 5. recovery stage
  22. incubation stage
    • 1. no symptoms
    • 2. pathogen is multiplying
  23. prodromal stage
    • 1. some symptoms
    • 2. contagious
  24. clinical stage
    • 1. height of infection
    • 2. most contagious
  25. decline stage
    • 1. symptoms improving
    • 2. still contagious
  26. recovery stage
    • 1. feeling better
    • 2. no longer likely to be contagious
  27. body defenses
    • 1. mechanical¬†
    • 2. cellular-chemical
  28. mechanical body defenses
    • 1. skin
    • 2. earwax
    • 3. mucous membranes
    • 4. gastric secretions
    • 5. tears
    • 6. hair/cilia
  29. cellular-chemical body defenses
    immune system
  30. divisions of the immune system
    • 1. cell-mediated immunity
    • 2. humoral immunity
    • 3. acquired immunity
  31. cell-mediated immunity
    • 1. t-cell-mediated
    • 2. begins immune response
  32. humoral immunity
    • 1. b-cell-mediated
    • 2. antibodies
  33. acquired immunity
    • 1. naturally acquited immunity (NAI)
    • 2. atificially acquired immunity (AAI)
    • 3. passively acquired immunity (PAI)
  34. naturally acquired immunity (NAI)
    response to naturally-occurring pathogen
  35. artificially acquired immunity (AAI)
    response to immunization
  36. passively acquired immunity (PAI)
    from extrinsic antibodies
  37. immune response
    • 1. pathogen (antigen) enters body
    • 2. macrophages recognize antigen as foreign
    • 3. macrophages ingest antigen and study it
    • 4. macrophages display part of antigen on their surgace
    • 5. t-cells recognize antigen and initiate response
    • 6. t-cells send antibodies to destroy antigens
  38. nosocomial infections
    • 1. infections within healthcare services, like hospitals
    • 2. between 32000-100000 deaths per year

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