ID 2 Rybakov (Gram -)

Question 1

Gram Negative
Aerobic
Cocci
(2)

Answer 1

1) Neisseria spp.
2) Moraxella catarrhalis

Question 2

Gram Negative
Aerobic
Coccobacilli
(1)

Answer 2

1) Haemophilus spp.

Question 3

Gram Negative
Anaerobic
Cocci
(1)

Answer 3

1) Veillonella spp.

Question 4

Gram Negative
Anaerobic
Bacilli
(3)

Answer 4

1) Bacteroides spp.
2) Fusobacterium spp.
3) Prevotella spp.

Question 5

Gram Negative
Aerobic
Bacilli
Enterobacterales
Lactose Fermenters (oxidase ___ )
(4)

CEEK

Answer 5

negative
1) Citrobacter spp.
2) Enterobacter spp.
3) E. coli
4) Klebsiella spp.

Question 6

Gram Negative
Aerobic
Bacilli
Enterobacterales
Non-lactose Fermenters
(6)

Answer 6

1) Morganella morganii
2) Proteus spp.
3) Providencia spp.
4) Salmonella spp.
5) Serratia marcescens
6) Shigella spp.

Question 7

Aerobic
Bacilli
Lactose fermenters (oxidase- ___ )
(3)

Answer 7

1) Aeromonas hydrophila
2) Pasteurella multocida
3) Vibrio cholerae

Question 8

Gram Negative
Aerobic
Bacilli
Non-lactose fermenters
(5)

Answer 8

1) Pseudomonas spp.
2) Acinetobacter spp.
3) Alcaligenes spp.
4) Burkholderia cepacia
5) Stenotrophomonas maltophilia

Question 9

Gram Negative
Aerobic
Bacilli
Fastidious
(4)

Answer 9

1) Campylobacter
2) Helicobacter
3) Bartonella
4) HACEK* organisms

HACEK = endocarditis

Question 10

atypical
(4)

cannot be gram stained

Answer 10

1) Chlamydia pneumoniae
2) Chlamydia trachomatis
3) Legionella pneumophila
4) Mycoplasma pneumoniae

Question 11

Spirochetes
(2)

Answer 11

1) Treponema pallidum
2) Borrelia burgdorferi

1) Syphillis
2) Lyme Disease

Question 12

Gram Negative Summary

morphology: mostly ___

Lactose Fermentation
- helps identify ___ from ___
- oxidase test helps distinguid between ___ vs ___ lactose fermenters

Fastidious organisms
- ___ growers: require special media

Answer 12

• bacilli
• Enterobacterales, Pseudomonas
• enteric, non-enteric
• slow