UNIT 1 TEST Flashcards
(14 cards)
Zoonosis
Another infectious disease that is transmitted between species from animals to humans
Disease Carriers
Apes, Monkey’s, Sloths, Bats, Opossum, Rats, Birds, Cats, Dogs, Reptiles, Pigs, Chicken, Cow
What was the size of hunter/gatherer groups with fewer of?
150
What does it take for a disease to survive?
Live for a long period of time - Have a non-human reservoir, Be highly Contagious
CDC - Outbreak Investigation Steps
- Verify the Diagnosis
- Identity the Existence
- Create a case definition
- Map the spread
- Develop a hypothesis of what’s causing the outbreak
- Study the hypothesis
- Refine the Hypothesis
- Develop and implement control and prevention system
- Release findings to greater communities
CDC Task Force Steps
- Who started it/How did it start
- How to treat it
- Predict who to test
- Contain the outbreak
Point Source
A disease outbreak where people are exposed to a single source over a long period of time
What are the 3 domains?
Euraria(Multicellular), Bacteria(single cellular), Archaea(single cellular)
Who discovered the microbial world?
Antony Var Leeuwenhock
What was the first microscope observed magnification?
300 - fold
What did Leeuwenhock observe 1st?
Bacteria, Protozoa
What member of the microbial world is invisible to the unaided eyelid?
Procaryotic Microorganisms
How much bigger does Procaryotic Microorganisms need to be for us to see it clearly?
200 times
Most human eyes can only see _______ or larger
800 nm
