Bacteria Flashcards

1
Q

Peptococcus

A

Gram +
Cocci
Anaerobic

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2
Q

Peptostreptococcus

A

Gram +
Cocci
Anaerobic

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3
Q

Staphylococcus aureus

A
Gram + 
Cocci
Aerobic
Clusters
Catalase +
Coagulase +
More virulent type of staphylococcus
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4
Q

Staphylococcus epidermidis

A
Gram + 
Cocci
Aerobic
Clusters
Catalase +
Coagulase -
Frequent contaminant of blood cultures
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5
Q

Staphylococcus saprophyticus

A
Gram + 
Cocci
Aerobic
Clusters
Catalase +
Coagulase -
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6
Q

Streptococcus pneumoniae

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
α-hemolysis
If streptococci found in respiratory culture 
Oral flora
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7
Q

Viridans streptococci

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
α-hemolysis
Oral flora
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8
Q

Streptococcus pyogenes

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
β-hemolysis
Group A
Pathogens of skin, pharynx, and genitourinary tract
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9
Q

Streptococcus agalactiae

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
β-hemolysis
Group B
Pathogens of skin, pharynx, and genitourinary tract
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10
Q

Enterococcus faecalis

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
Non-hemolytic
If streptococci found in intra-abdominal culture 
Bugs of gastrointestinal origin 
More common
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11
Q

Enterococcus faecium

A
Gram +
Cocci
Aerobic
Pairs/Chains
Catalase -
Non-hemolytic
If streptococci found in intra-abdominal culture 
Bugs of gastrointestinal origin 
More resistant
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12
Q

Lactobacillus

A

Gram +
Bacilli
Anaerobic

or

Gram +
Bacilli
Aerobic
Group 2

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13
Q

Propionibacterium

A

Gram +
Bacilli
Anaerobic
Common skin contaminant

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14
Q

Actinomyces

A

Gram +
Bacilli
Anaerobic

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15
Q

Clostridium

A

Gram +
Bacilli
Anaerobic
If Gram + bacilli from necrotizing wound infection

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16
Q

Corynebacterium

A
Gram +
Bacilli
Aerobic
Group 1
Common skin contaminant
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17
Q

Listeria

A
Gram +
Bacilli
Aerobic
Group 1
If Gram + bacilli from CSF culture
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18
Q

Gardnerella

A

Gram +
Bacilli
Aerobic
Group 2

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19
Q

Bacillus

A
Gram +
Bacilli
Aerobic
Group 2
Common skin contaminant
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20
Q

Cocci

A

Spheres

Most medically important Gram + pathogens

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21
Q

Bacilli

A

Rods

22
Q

Bacteroides

A

Gram -
Bacilli
Anaerobic

23
Q

Prevotella

A

Gram -
Bacilli
Anaerobic

24
Q

Fusobacterium

A

Gram -
Bacilli
Anaerobic

25
Q

Vibrio

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
26
Q

Aeromonas

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
27
Q

Escherichia

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
28
Q

Klebsiella

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
29
Q

Serratia

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
30
Q

Enterobacter

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
31
Q

Citrobacter

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
32
Q

Proteus

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
33
Q

Salmonella

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
34
Q

Shigella

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Glucose fermenter
Enterobacteriaceae
Enteric / Lactose fermenting gram- rod
35
Q

Pseudomonas

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Non-fermenter
Nonfermenting gram- rod
Has high level of antibiotic resistance
36
Q

Acinetobacter

A
Gram - 
Bacilli (may appear as coccobacilli)
Aerobic
Rapid growth on standard agar
Non-fermenter
Nonfermenting gram- rod
Has high level of antibiotic resistance
37
Q

Stenotrophomonas

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Non-fermenter
Nonfermenting gram- rod
Has high level of antibiotic resistance
38
Q

Burkholderia

A
Gram - 
Bacilli
Aerobic
Rapid growth on standard agar
Non-fermenter
Nonfermenting gram- rod
Has high level of antibiotic resistance
39
Q

Haemophilus

A
Gram -
Bacilli (may appear as coccobacilli)
Aerobic
Fastidious organism
HACEK organism
40
Q

Campylobacter

A

Gram -
Bacilli
Aerobic
Fastidious organism

41
Q

Helicobacter

A

Gram -
Bacilli
Aerobic
Fastidious organism

42
Q

Bartonella

A

Gram -
Bacilli
Aerobic
Fastidious organism

43
Q

HACEK organisms

A
Haemophilus
Actinobacillus
Cardiobacterium
Eikenella
Kingella

Gram -
Bacilli
Aerobic
Fastidious organism

44
Q

Fastidious organisms

A

Picky eaters
Grow slowly
Require specially supplemented media
May take few days to few weeks to grow in culture

45
Q

Neisseria

A

Gram -
Cocci
Useful in preliminary identification of meningitis; strongly suggests Neisseria meningitidis

46
Q

Moraxella

A

Gram -

Cocci (may appear as coccobacilli)

47
Q

Actinobacillus

A

HACEK organism

48
Q

Cardiobacterium

A

HACEK organism

49
Q

Eikenella

A

HACEK organism

50
Q

Kingella

A

HACEK organism