enh322-lec2.txt

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Author:
sentpar
ID:
106284
Filename:
enh322-lec2.txt
Updated:
2011-10-04 00:55:27
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com2
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comm 2
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  1. Define Pathology
    The study of Disease
  2. Define Aetiology
    The study of the cause of a disease (root cause)
  3. Define Pathogenesis
    The development and mechanisms of a disease
  4. Define Infection
    Colonization of the body by pathogens
  5. Define Disease
    An abnormal state in which the body is not functioning normally
  6. What is a communicable disease?
    A disease that is spread from one host to another
  7. What is a contagious disease?
    A disease that is easily spread from one host to another.
  8. Define Incubation period (stages of disease)
    No signs or symptoms, when number of microbes are low
  9. Define Prodromal period (stages of disase)
    mild signs or symptoms, when microbes are growing
  10. Define Period of Convalescence (stages of disease)
    where the person is getting better due to microbes decreasing
  11. Define Subclinical infection
    No noticeable signs or asymptomatic
  12. Define Latent infection
    No symptoms, because the pathogen is inactive/dormant and does not cause disase
  13. What is direct transmission?
    Transmission from human to human OR animal-to-human (zoonotic)
  14. Give one example of a vector for indirect disease transmission?
    Malaria via vector of mosquitos
  15. What is vehicle of disease transmission?
    Food or water that can transmit the disease
  16. What is fomites of disase transmission?
    Inanimate objects that transmit the disease
  17. What are the major routes of transmission?
    Respiratory, gastrointestinal, skin-to-skin, bloodborne, mucosal, vertical and nosocomial

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