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ASCP Microbiology > KEY WORDS > Flashcards

KEY WORDS Flashcards

Key words that might correlate to a specific organism/disease

1
Q

Quellung Reaction (Capsular swelling)

A

Streptococcus pneumoniae

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2
Q

Scarlet Fever

A

Streptococcus pyogenes

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3
Q

Optochin susceptible

A

Streptococcus pneumoniae

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4
Q

Glycocalyx (slime layer biofilm)

A

Staphylococcus epidermidis

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5
Q

Otitis media in children / Acute otitis media

A

Streptococcus pneumoniae

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6
Q

Endocarditis

A

Staphylococcus epidermidis

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7
Q

Novobiocin susceptible

A

Staphylococcus epidermidis

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8
Q

Scalded skin syndrome

A

Staphylococcus aureus

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9
Q

Subacute bacterial endocarditis

A

Strep viridians

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10
Q

Capsule contains sialic acid

A

Streptococcus agalactiae

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11
Q

Tumbling motility on gram stain

A

Listeria monocytogenes

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12
Q

Positive amine or “whiff” test

A

Gardnerella vaginalis

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13
Q

Gliding motility

A

Capnocytophaga

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14
Q

Streptococcus that causes dental infections

A

Strep viridians

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15
Q

Strep that causes abscesses brain/abdomen

A

Strep viridians –> S. anginosus

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16
Q

Anthrax

A

Bacillus anthrasis

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17
Q

“Medusa Head Colonies”

A

Bacillus anthrasis

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18
Q

Box car

A

Bacillus species

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19
Q

Black escher ulcers

A

Bacillus anthrasis

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20
Q

Skin contact with livestock hides

A

Bacillus anthrasis

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21
Q

Lancet shape in pairs

A

S. pneumoniae

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22
Q

“Ground glass” colony appearance

A

Bacillus anthrasis

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23
Q

Rapid motility in urine sediment

A

Trichomonas vaginalis

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24
Q

“Clue cells” - large squamous epithelial cells

A

Gardnerella vaginalis

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25
Q

“Internal autoinfection”

A

Strongyloides stercoralis – larvae capable of turning into infective form in intestines of immunocompromised people

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26
Q

Dermatophytes resembling “Birds on a wire”

A

Trichophyton rubrum

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27
Q

Gram positive bacilli, beaded and branching chains

A

Nocardia

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28
Q

Umbrella growth in motility agar at room temp but NOT at 35C

A

Listeria monocytogenes

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29
Q

Cuneiform morphology

A

Corynebacterium

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30
Q

“Chinese Letters” morphology

A

Corynebacterium

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31
Q

Black colonies on cysteine-tellurite agar

A

Corynebacterium

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32
Q

Black colonies with brown halo on Tindale agar

A

Corynebacterium

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33
Q

Metachromatic granules

A

Corynebacterium diptheriae

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34
Q

Dead cell pseudomembrane at back of throat

A

Corynebacterium diptheriae

Not other Corynebacteriums

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35
Q

Skin infection from fish

A

Erysipelothrix

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36
Q

Satelliting

A

Haemophilus growing around SA colonies due to it producing NAD factor (V) factor, and hemolyzes the blood releasing hemin (X factor)

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37
Q

“Test tube brush growth” in gelatin

A

Erysipelothrix

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38
Q

“Bamboo shoot”-looking chains in gram stain

A

B. anthrasis

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39
Q

“Fried rice” syndrome (food poisoning in fried rice due to toxin)

A

Bacillus cereus

Fried rice.. you gotta B. cereus?

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40
Q

Neonatal meningitis and sepsis

A

Listeria monocytogenes

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41
Q

Pink eye

A

Haemophilus influenza subgroup aegyptius

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42
Q

STD chancroid (genital ulcers, swollen lymph nodes/buboes)

A

Haemophilus ducreyi

43
Q

Corkscrew motility

A

Campylobacter jejuni

44
Q

Rice water stools

A

Vibrio cholerae

45
Q

Freshwater seafood poisoning

A

Pleisomonas shigelloides

46
Q

Can get from freshwater and seawater

A

Aeromonas

47
Q

Salt water

A

Vibrio vulnificus and Vibrio parahaemolyticus

48
Q

Positive string test

A

Vibrio cholerae

49
Q

Halophilic organism that requires Na+

A

Vibrio vulnificus and Vibrio parahemolyticus

50
Q

Xenodiagnosis to detect?

A 
Trypanosoma cruzi (Chagas disease) 
--> this is when  a non-infected kissing bug feeds on a patient suspected of someone who has Chagas disease. Bug droppings are then examined for presence of T. cruzi trypomastigoes.
51
Q

“School of fish,” and associated with Chancroids

A

Haemophilus ducreyi

52
Q

“Safety pin”, bipolar staining

A

Yersinia pestis

53
Q

Sepsis via blood transfusions

A

Yersinia entero

54
Q

Carbuncles

A

Staph aureus

55
Q

“Drops of mercury” colonies on Bordet-Gengou

A

Bordetella pertussis

56
Q

Whooping cough

A

Bordetella pertussis

57
Q

Spiral organism seen in urine

A

Leptospira

58
Q

Bleach-like odor

A

Eikenella

59
Q

Growth on kanamycin, vancomycin, laked blood agar

A

Bacteroides and Prevotella

60
Q

Olive oil (lipids) for growth

A

Malassezia furfur

61
Q

Small yeast with wide bud

A

Malassezia furfur

62
Q

Yeast that causes catheter-related sepsis

A

Malassezia furfur

63
Q

Cat scratch

A

Pasteurella

64
Q

needs Cysteine for growth

A

Francisella tularensis

65
Q

partially acid fast, growth above 37C

A

Nocardia

66
Q

Deer tick of Ixodes genus

A

Borrelia burgdorferi

67
Q

Lyme disease

A

Borrelia burgdorferi

68
Q

fried egg appearance

A

Mycoplasma hominis

69
Q

class 3 pathogen, usually labs send isolates to reference labs, found in blood culture

A

Brucella spp.

70
Q

commonly misidentified as an enteric pathogen to the large amount of H2S it produces

A

Shewanella putrefaciens

71
Q

Bordetella urease:
___________ = rapid urease
___________ = pos at 18 hours
___________ = negative

A

B. bronchiseptica – rapid urease
B. parapertussis – pos at 18 hours
B. pertussis = negative

72
Q

S-shaped rod, hippurate +, 42C

A

Campylobacter jejuni

73
Q

associated with explosive diarrhea, can be acquired through eating raw shellfish

A

Vibrio parahemolyticus

74
Q

Urease positive organisms

A

PUNCH - Proteus, Ureaplasma, Nocardia, Cryptococcus, H. pylori

75
Q

Largest human parasite eggs known (~150 µm in diameter)

A

Fasciola hepatica & Fasciolopsis buski

76
Q

shows motility at 25°C and not 35°C

A

Yersinia

77
Q

Can grow at 37°C but unique it ints ability to grow at 42°C

A

Pseudomonas aeruginosa

78
Q

Pyocyanin production

A

Pseudomonas aeruginosa

79
Q

Red with black center on XLD agar

A

Salmonella

80
Q

Swimmer’s ear

A

Pseudomonas aeruginosa

81
Q

Contact lens keratitis

A

Pseudomonas aeruginosa

82
Q

Acanthamoeba keratitis

A

Acanthamoeba

83
Q

Predominant organism in patients with cystic fibrosis

A

Pseudomonas aeruginosa

84
Q

Grape-like odor

A

Pseudomonas aeruginosa

85
Q

How to differentiate between Campylobacter jejuni, and Campylobacter ecoli & fetus

A

C. jejuni –> hippurate positive

C. coli & feus –> hippurate negative

86
Q

Yeast that can remain viable but dormant in macrophages for many years.

A

Mycobacterium tuberculosis

87
Q

Hantavirus vector

A

Deer mouse

88
Q

“cotton candy-like” mycelium

A

Zygomycete

89
Q

Carbuncles

A

S. aureus

90
Q

Polymyxin B susceptible

A

P. aeruginosa

91
Q

Infection in Cystic Fibrosis patients

A

Psudomonas aeruginosa –> mucoid in CF patients

Burkholderia cepacia –> serious infection in CF patients

92
Q

serious infection in CF patients

A

Burkholderia cepacia

93
Q

“Mousy odor”

A

Pasteurella multocida (contracted from cat and dog bites)

94
Q

“Rat bite fever”

A

Streptobacillus moniliformis

95
Q

Acute epiglottis in children

A

Haemophilus influenzae

96
Q

positive lecithinase on egg yolk agar

A

Clostridium perfringes

97
Q

virus associated with infantile respiratory bronchiolitis

A

RSV (the virus that infants get if someone kisses them!)

98
Q

Entamoeba with evenly distributed peripheral chromatin

A

E. histolytica (pathogenic)

99
Q

Psittacosis

A

Chlamydophila psittaci

psittaci kinda ryhmes with biscotti cracker = crackers to birds

Bacteria transmitted from bird droppings to humans via inhalation

100
Q

is associated with the Eucalyptus tree and found in the environment

A

Cryptococcus gattii

Found in pacific northwest

101
Q

Is associated with soil contaminated with pigeon droppings and is acquired by inhalation

A

C. neoformans

102
Q

causes infections as a result of trauma to the skin and exposure to contaminated fish tanks or salt water.

A

Mycobacterium marinum

103
Q

only clinically encountered yeast that is phenol oxidase positive

A

Cryptococcus neoformans

ASCP Microbiology (10 decks)

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