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MICROB > GM NEG > Flashcards

GM NEG Flashcards

1
Q

All Nesseria are Catalase (+) EXCEPT:

A

N. elongata

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2
Q

Obligate Aerobes, CAPNOPHILIC (5-10% Co2), Catalase positive

A

Nesseria
Moraxella

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3
Q

Leading cause of sexually transmitted disease

A

N. gonorrhoeae

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4
Q

Gram (-) dplococci, inside PMNs

A

N. gonorrhoea

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5
Q

Fatal bacterial meningitis

A

N. meningitidis

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6
Q

Associated with respi tract, otitis media, sinusitis, pneumonia

A

Moraxella catarrhalis

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7
Q

Container used for Neisseria spp. with increased Co2

A

JEMBEC system

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8
Q

Glucose, Maltose, Lactose (-)

A

Moraxella catarrhalis

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9
Q

Glucose, Maltose, Lactose (+)

A

N. lactamica

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10
Q

Shiga-like toxin

A

EHEC

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11
Q

Shigella-like infection

A

EIEC

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12
Q

Cholera-like toxin

A

ETEC

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13
Q

Traveller’s, Childhood diarrhea

A

ETEC

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14
Q

Seen in debilitated patients (burn or ICU)

A

Acinetobacter

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15
Q

Biochemically inert; grows well on MacConkey

A

Shigella

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16
Q

Catalase negative Shigella

A

S. dysenteriae

others are Catalase (+)

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17
Q

ONPG (+) Shigella

A

Shigella sonnei (LLF)

other are ONPG (-)

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18
Q

Gm (-) rods with unusual bipolar staining with Weison stain

A

Yersinia

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19
Q

Name of the infected rat flea that causes Yersinia pestis infection

A

Xenopsylla cheopsis

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20
Q

Bull’s eye colony on CIN agar

A

Yersinia enterocolitica

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21
Q

Causes acute mesenteric lymphadenitis, appendicitis

A

Yersinia enterocolitica

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22
Q

Isolated from cold and warm-blooded animals (reptiles, fishes, frogs, turtles)

A

Edwardsiella tarda

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23
Q

Similarity of E. coli and Edwardsiella tarda

A

IMVIC: ++–

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24
Q

How to diff. E. coli and Edwardsiella tarda

A

Lactose Fermentation + H2S prod

E. coli = RLF; H2S (-)
Edwardsiella tarda = NLF; H2s (+)

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25
Q

Plump coccobacilli that resist Decolorization; resembles Neisseria

A

Acinetobacter

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26
Q

Found in tap water and salads

A

Stenotrophomonas maltophilia

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27
Q

Key pathogen in CYSTIC FIBROSIS

A

Pseudomonas aeruginosa

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28
Q

Causes

Ecthyema gangrenosum,
Swimmer’s ear,
Jacuzzi syndrome

A

P. aeruginosa

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29
Q

Survive in medical devices, disinfectants

A

Burkholderia cepacia

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30
Q

Non-motile Burkholderia

A

Burkholderia mallei

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31
Q

Cause severe infections in HORSES (glanders or farcy disease)

A

Burkholderia mallei

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32
Q

Vietnamese time bomb

A

Burkholderia pseudomallei

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33
Q

Medium for Burkholderia pseudomallei

A

Ashdown medium

appear as dry, wrinkled, deep pink color

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34
Q

All Vibrio are HALOPHILIC (loves salt) except:

A

Vibrio cholerae
Vibrio mimicus

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35
Q

Oxidase (+) Vibrio except:

A

Vibrio metschnikovii

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36
Q

Causes epidemics, pandemics of diarrheal disease cholera

A

Vibrio cholerae

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37
Q

Rice watery stool

A

Vibrio cholerae

38
Q

Motility of Vibrio cholerae

A

Rapid darting
Shooting star

39
Q

3 Serogroups of Vibrio cholerae

A
  1. Inaba - Philippines
  2. Ogawa - India
  3. Hikojima - Japan
40
Q

Recent pandemics

A

El Tor

41
Q

Polymyxin B result for Classical and El Tor

A

Classical - Polymyxin B (S)
El Tor - Polymyxin B (R)

42
Q

Summer diarrhea

A

Vibrio parahaemolyticus

43
Q

Medium for Vibrio parahaemolyticus

A

Wagatsuma agar

44
Q

Lactose (+) Vibrio

A

Vibrio vulnificus

45
Q

Reagent in String test used to diff. Vibrio (+) vs Aeromonas (-)

A

0.5% Sodium Desoxycholate

46
Q

Red leg disease in amphibians

A

Aeromonas

47
Q

Bull’s eye appearance on CIN

A

Aeromonas
Yersinia enterocolitica

48
Q

Seagull winged appearance

A

Campylobacter

49
Q

Motility of Campylobacter

A

Darting motility

50
Q

MCC of Bacterial gastroenteritis

Postinfection:
- Reactive arthritis
- Guillian-Barre Syndrome

A

Campylobacter jejuni

51
Q

Capable of causing abortion

A

Campylobacter fetus subsp. fetus

52
Q

MCC of Peptic ulcer and Gastric carcinoma

A

Helicobacter pylori

53
Q

Strong Urease producer

Uses Urea Breath Test

A

Helicobacter pylori

54
Q

Associated with sexual transmission with homosexual men

A

Helicobacter cinaedi
Helicobacter fennelliae

55
Q

Tests to differentiate Campylobacter jejuni vs Helicobacter pylori

A

Nitrate reduction (+) C jejuni
Urease (+) H pylori
Hippurate hydrolysis (+) C. jejuni

56
Q

Requires X and V factor

A

Haemophilus

57
Q

Pfeiffer’s bacillus

A

H. influenzae

58
Q

Brazillian purpuric fever

A

H. influenzae biogroup aegypticus

59
Q

Koch-Weeks bacillus

Pink eye (conjunctivitis)

A

H. aegypticus

60
Q

Chancroid

A

Haemophilus ducreyi

61
Q

HACEK

A

H - Aggregatibacter (Haemophilus) aphrophilus
A - Aggregatibacter actinomycetemcomitans
C - Cardiobacterium hominis
E - Eikenella corrodens
K - Kingella spp.

62
Q

HACEK group causes:

A

Slow/progressive bacterial endocarditis

63
Q

Star shaped colonies

A

Aggregatibacter actinomycetemcomitans

64
Q

Only Catalase (+) HACEK

A

Aggregatibacter actinomycetemcomitans

65
Q

Only Indole (+) HACEK

A

Cardiobacterium hominis

66
Q

Rosette formation appearance

A

Cardiobacterium hominis

67
Q

Causes infections from human bites; clenched fist injuries

A

Eikenella corrodens

68
Q

Yellow, pitting, corroding the medium, bleach odor on agar

A

Eikenella corrodens

69
Q

Isolated from degenerative joint/bone infections

A

Kingella spp.

70
Q

Whooping cough

A

Bordetella pertussis

71
Q

Mercury drop colonies

A

Bordetella pertussis

72
Q

Kennel’s cough (dogs)
Chronic respiratory tract infection (humans)

A

Bordetella bronchiseptica

73
Q

Only Motile and Nitrate (+) Bordetella

A

B. bronchiseptica

74
Q

Only Urease (-) Bordetella

A

B. pertussis

75
Q

Only Oxidase (-) Bordetella

A

B. parapertussis

76
Q

Small coccobacilli with SANDY appearance

A

Brucella

77
Q

Undulant fever

A

Brucella

78
Q

Medium for Brucella

A

Castaneda bottle (biphasic medium)

79
Q

Convex, smooth, gray, nonhemolytic

Musty/mushroom odor

A

Pasteurella multocida

80
Q

Bite/scratch from dogs and cats

A

Pasteurella multocida

81
Q

Francisella requires what growth factors (4)

A

Cysteine
Cystine
Iron
Sulfhydryl

82
Q

Tularemia, Rabbit fever, Deer fly fever, market men’s disease

A

Francisella tularensis

83
Q

Virulent in near drowning victims

A

Francisella philomiragia

84
Q

Mesophilic (20-45C), obligate aerobes, faintly staining, thin, gram (-) bacteria

A

Legionella

85
Q

Required growth factors for Legionella (3)

A

Iron
L-cysteine
pH 6.9

86
Q

Substituted for Safranin when gram staining Legionella

A

0.1% fuschin

87
Q

Legionnaire’s disease
Pontiac fever

A

Legionella pneumophila

88
Q

Medium for Legionella pneumophila

A

BCYE: Buffered-Charcoal-Yeast-Extract

L. pneumophila = Blue-green, glistening

89
Q

Pittsburgh pneumonia

A

Legionella micdadei

90
Q

Wiga’s agent of pneumonia

A

Legionella bozemanni

MICROB (7 decks)

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