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Microbiology > Gram Staining Reactions > Flashcards

Gram Staining Reactions Flashcards

1
Q

What are the Gram stain negative cocci?

A

Neisseria

Moraxella

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2
Q

How does Neisseria Gram stain?

A

Gram negative cocci

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3
Q

How does Moraxella Gram stain?

A

Gram negative cocci

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4
Q

What are the Gram stain negative rods?

Know top 6.

A 
Pseudomonas
Haemophilus
Legionella
Bordatella
Francisella
Pasteurella
Burkholderia
Acinetobacter
Eikenella
Kingella
Bartonella
Brucella
Capnocytophaga
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5
Q

What are the Gram stain negative curved or helical rods?

A

Campylobacter
Helicobacter
Vibrio

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6
Q

How does Pseudomonas Gram stain?

A

Gram negative rods

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7
Q

How does Haemophilus Gram stain?

A

Gram negative rods

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8
Q

How does Legionella Gram stain?

A

Gram negative rods (need increased counterstain time)

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9
Q

How does Bordatella Gram stain?

A

Gram negative rods

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10
Q

How does Francisella Gram stain?

A

Gram negative rods

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11
Q

How does Pasteurella Gram stain?

A

Gram negative rods

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12
Q

How does Campylobacter Gram stain?

A

Gram negative curved rod

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13
Q

How does Helicobacter Gram stain?

A

Gram negative helical rod

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14
Q

How does Vibrio Gram stain?

A

Gram negative comma-shaped rod

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15
Q

List the Enterobacteriaceae and their stain?

A 
Gram negative
Escherichia
Shigella
Salmonella
Klebsiella
Proteus
Yersinia
Aeromonas
Serratia
Citrobacter
Enterobacter
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16
Q

How does Escherichia Gram stain?

A

Gram negative rod; Enterobacteriaceae

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17
Q

How does Shigella Gram stain?

A

Gram negative rod; Enterobacteriaceae

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18
Q

How does Salmonella Gram stain?

A

Gram negative rod; Enterobacteriaceae

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19
Q

How does Klebsiella Gram stain?

A

Gram negative rod; Enterobacteriaceae

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20
Q

How does Proteus Gram stain?

A

Gram negative rod: Enterobacteriaceae

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21
Q

How does Yersinia Gram stain?

A

Gram negative rod; Enterobacteriaceae

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22
Q

What are the Gram stain negative anaerobic rods?

A

Bacteroides (only the B in ABCs of anaerobes is Gram -)
Prevotella
Porphyromonas
Fusobacterium

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23
Q

What are the Gram stain gram-variable rods?

A

Gardnerella

Mobiluncus

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24
Q

What are the Gram stain negative spirochetes?

A

Treponema
Borrelia
Leptospira

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25
Q

How does Treponema Gram stain?

A

Gram negative spirochete

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26
Q

How does Borrellia Gram stain?

A

Gram negative spirochete

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27
Q

How does Leptospira Gram stain?

A

Gram negative spirochete

28
Q

What are the Gram stain positive cocci?

A

Staphylococcus
Streptococcus
Enterococcus (not to be confused with enterobacteriaceae)

29
Q

How does Staphylococcus Gram stain?

A

Gram positive cocci

30
Q

How does Streptococcus Gram stain?

A

Gram positive cocci

31
Q

How does Enterococcus Gram stain?

A

Gram positive cocci

32
Q

What are the Gram positive aerobes or facultative anaerobes?

A 
Bacillus
Listeria
Corynebacterium
Nocardia
Mycobacterium
33
Q

How does Bacillus Gram stain?

A

Gram positive rod

34
Q

How does Listeria Gram stain?

A

Gram positive rod

35
Q

How does Corynebacterium Gram stain?

A

Gram positive rod

36
Q

How does Nocardia Gram stain?

A

Gram positive rod

37
Q

How does MycoBACTERIUM Gram stain?

A

Gram positive rod

38
Q

What are the Gram positive anaerobes?

A

Clostridium
Actinomyces
Propionbacterium
Lactobacillus

39
Q

How does Clostridium Gram stain?

A

Gram positive rod; anaerobic

40
Q

How does Actinomyces Gram stain?

A

Gram positive rod; anaerobic

41
Q

How does Propionbacterium Gram stain?

A

Gram positive rod; anaerobic

42
Q

How does Lactobacillus Gram stain?

A

Gram positive rod; anaerobic

43
Q

What are the non-Gram staining bacteria?

A 
Mycoplasma
Ureaplasma
Rickettsia
Ehrlichia
Coxiella
Chlamydia
Chlamydophila
44
Q

How does MycoPLASMA Gram stain?

A

Non-Gram staining

45
Q

How does Ureaplasma Gram stain?

A

Non-Gram staining

46
Q

How does Rickettsia Gram stain?

A

Non-Gram staining

47
Q

How does Ehrlichia Gram stain?

A

Non-Gram staining

48
Q

How does Coxiella Gram stain?

A

Non-Gram staining

49
Q

How does Chlamydia Gram stain?

A

Non-Gram staining

50
Q

How does Chlamydophila Gram stain?

A

Non-Gram staining

51
Q

Which organisms are acid-fast?

A

Mycobacterium

Nocardia - partial acid-fast

52
Q

Which organisms form spores?

A

Bacillus

Clostridium

53
Q

Which organisms have branching rods?

A

Actinomyces

Nocardia

54
Q

Which organisms are facultative intracellular?

A

Listeria

Mycobacterium

55
Q

Which organism is catalase positive, coagulase positive?

A

Staphylococcus aureus

56
Q

Which organisms are catalase positive and coagulase negative?

A

Staphylococcus epidermidis

Staphylococcus saprophyticus

57
Q

Which organism is catalase positive, coagulase negative and novobiocin sensitive?

A

Staphylococcus epidermidis

58
Q

Which organism is catalas positive, coagulase negative and novobiocin resistant?

A

Staphylococcus saprophyticus

59
Q

Describe Staphylococcus aureus?

A

Catalase positive
Coagulase positive
Ferments mannitol

60
Q

Describe Staphylococcus epidermidis?

A

Catalase positive
Coagulase negative
Novobiocin sensitive

61
Q

Describe Staphylococcus saprophyticus?

A

Catalase positive
Coagulase negative
Novobiocin resistant

62
Q

Which organism is catalase negative and optochin sensitive?

A

Streptococcus pneumoniae

63
Q

Which organism is catalase negative and optochin resistant?

A

Viridans

64
Q

Which organism is catalase negative and bacitracin sensitive?

A

Streptococcus pyogenes (GAS)

65
Q

Which organism is catalse negative and bacitracin resistant?

A

Streptococcus agalactiae (GBS)

Microbiology (4 decks)

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