Lecture 4 Flashcards
1
Q
etiological agent
A
causes infectious disease
2
Q
disease reservoirs
A
where bacteria hide/hang-out
ex. E. bola in fruit bats, HIV in soil/cows
3
Q
resident microbiota
A
part of the normal microbiota throughout life; mostly commensal
4
Q
mutualism
A
organism 1 benefits
organism 2 benefits
5
Q
commensalism
A
organism 1 benefits
organism 2 neutral
6
Q
parasitism
A
organism 1 benefits
organism 2 harmed
7
Q
opportunistic pathogens
A
normal microbiota that cause disease under normal circumstances
8
Q
contamination
A
mere presence of microbes in/on body
9
Q
infection
A
organism evades body’s external defences, multiplies, and becomes established in body
10
Q
colonization
A
- kind of between contamination and infection
- when conditions are ideal for growth
11
Q
avirulent
A
unable to cause disease
- can do so by knocking out receptors
