M5: Assessing Unknown Pathogens Overview Flashcards
1
Q
3 things to observe when assessing unknown pathogens
A
- morphological characteristics (size/shape)
- presence of motility under microscope
- differential testing results (gram stain, chemical reactions, color changes)
2
Q
gram-positive bacteria to know (4)
A
- Streptococcus
- Staphylococcus
- Clostridium
- Bacillus anthracis
3
Q
gram-negative bacteria to know (5)
A
- Legionella
- Yersinia pestis
- Neisseria gonorrheoea
- Chlamydia trachomatis
- Treponema pallidum
4
Q
negative staining required (1)
A
Borrelia burgdorferi
5
Q
acid-fast staining required (1)
A
Mycobacterium
6
Q
coccus shaped bacteria (3)
A
aka round
- Streptococcus
- Staphylococcus
- Neisseria gonorrhoeae (diplococcic)
7
Q
bacillus shaped bacteria (4)
A
aka rod-shaped
- Clostridium
- Yersinia pestis
- Bacillus anthracis
- Chlamydia trachomatis
8
Q
spirochete shaped bacteria (2)
A
- Borrelia burgdorferi
- Treponema pallidum
9
Q
motile bacteria (3)
A
- Borrelia burgdorferi (multi-flagellated)
- Neisseria gonorrhoeae (uses pili)
- Legionella (single flagellum)
10
Q
aerobic bacteria (3)
A
- Mycobacterium
- Legionella
- Bacillus anthracis
11
Q
facultative anaerobic bacteria (2)
A
- Staphylococcus
- Yersinia pestis
12
Q
anaerobic bacteria (2)
A
- Clostridium
- Borrelia burgdorferi
13
Q
facultative anaerobe
A
can grow aerobically and anaerobically
14
Q
commensal bacterium
A
neither harms nor helps host
15
Q
obligate parasite
A
- requires host
- to grow in a culture, must add sample to a culture of viable cells
