MDSC 321 Exam Study Guide Solutions
immunology *functional definition* - ANSWERhow many organism interacts with the biological
world. every living thing has a form of immunity. immuno provides a set of skills to allow you to question
and understand these interactions; formulate answers based on ...
John Snow - ANSWER✔✔- cholera outbreak in Broad Street, London. 127 dead in 3 days, 500 by 10 days.
- centred around a public well, which snow thought was contaminated
- once he removed the pump handle so people couldn't drink from that well, outbreak ended
- first example of community based epidemiology where we can track source of infection
cholera - ANSWER✔✔infection from drinking contaminated water. causes diarrhea
Robert Koch - ANSWER✔✔- formulated Koch's Postulates
- discovered that microbes cause wounds to go septic (cause infection and pus-y wounds). if we can keep
microbes out, we would prevent infection
- identified bacteria that causes tuberculosis and cholera
- 1905 Nobel prize
Koch's Postulates - ANSWER✔✔ALL INFECTIONS MUST SATISFY THESE 4 CONDITIONS
- Organism should be constantly present in animals suffering from disease and should not be present in
healthy individuals. everyone w sane disease must have the same infectious thing in them
- The organism must be cultured in pure culture away from the animal body in Petri dish .
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