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Bacteriology > Haemophilus and Other Fastidious Bacteria > Flashcards

Haemophilus and Other Fastidious Bacteria Flashcards

1
Q

blood lover

Gr (-), small, pleomorphic coccobacilli

A

Haemophilus

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2
Q

most require X (hemin) and V (NAD) factors except H. aphrophilus

A

Haemophilus

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3
Q

has satellite growth

A

Haemophilus

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4
Q

Pfeiffer’s Bacillus

A

Haemophilus influenzae

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5
Q

major pathogen and frequently associated during flu pandemics

A

Haemophilus influenzae

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6
Q

has the ff virulence factors:

  • capsule (serotyping)
  • IgA protease
  • fimbriae/pili
  • outer membrane proteins and LPS
A

Haemophilus influenzae

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7
Q

Ducrey’s Bacillus

A

Haemophilus ducreyi

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8
Q

strict human pathogen;

female sex workers

A

Haemophilus ducreyi

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9
Q

causes Chancroid or Soft Sore

A

Haemophilus ducreyi

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10
Q

Gram stain looks similar to a school of fish

A

Haemophilus ducreyi

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11
Q

Haemophilus influenzae biogroup III;

  • non-encapsulated
  • Pediatric conjuctivitis
  • Brazillian purpuric fever
A

Haemophilus influenzae biogroup aegyptius

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12
Q

Koch-Weeks Bacillus

A

Haemophilus aegyptius

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13
Q

causes pink eye (highly contagious conjuctivitis)

A

Haemophilus aegyptius

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14
Q

What staining is done to diagnose Haemophilus?

A

Acridine orange staining

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15
Q

Streaking done for primary isolation and satellite growth

A

Staph streak

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16
Q

Nairobi plate is for

A

H. ducreyi

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17
Q

It is a clear medium with X and V factors

A

Levinthal Agar

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18
Q

Delta-aminolevulinic acid test is also known as

A

Porphyrin test

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19
Q

The porphyrin test’s (+) result is

A

red fluorescence (brick red)

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20
Q

susceptible to penicillin and has a bipolar staining of sefety pin appearance

A

Pasteurella multocida

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21
Q

has a mushroom smell/musty odor

A

Pasteurella multocida

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22
Q

Shipping Fever in cattles

A

Pasteurellosis

23
Q

Bang’s Bacillus

A

Brucella

24
Q

Gram (-) bacilli/coccobacilli has sand appearance

A

Brucella

25
Q

It induces spontaneous abortions and sytemic disease

A

Brucella

26
Q

requires niacin for growth

A

Brucella abortus

27
Q

It is the gold standard for Brucella

A

​Serum Agglutination Test
(detection of febrile agglutinins)

28
Q

Facultative intracellular pathogen.

Causative agent of Tularemia
(Rabbit, Deerfly, Lemming, Water Rat Tapper’s fevers)

A

Francisella tularensis

29
Q

signs & symptoms include:

  • ulceroglandular (most common; ulcers)
  • pneumonic (most serious form)
  • oculoglandular (conjuctivitis and lymphadenopathy)
  • typhoidal (no skin lesions)
A

Francisella tularensis

30
Q

causes waterborne tularemia and less virulent

A

Francisella philomiragia

31
Q

Bordet Gengou Bacillus;
capsulated;
DTaP (Diphtheria, Tetanus, Pertussis)

A

Bordetella pertussis

32
Q

causative agent of whooping cough or pertussis
(highly contagious)

A

Bordetella pertussis

33
Q

causes kennel cough among animals

A

Bordetella bronchiseptica

34
Q

petussis-like illness

A

Bordetella holmesii

35
Q

preferred staining for Bordetella

A

Direct Fluorescent Antibody stain
(+) yellow green fluorescence

36
Q

Bordetella pertussis is incubated at?

A

35 degrees Celsius for 7 days in
Bordet Gengou Potato Infusion Agar

37
Q

all are sodium hippurate hydrolysis
(except L. pneumophila)

A

Legionella

38
Q

no recorded/documented person to person infection

A

Legionella

39
Q

most clinically significant species;
possess 2 well-defined, morphologically distinct forms in HeLa cells

A

Legionella pneumophila

40
Q

Pontiac fever is associated with

A

Legionnaires disease

41
Q

causes Pittsburgh pneumonia

A

Legionella micdadei

42
Q

causes Wiga agent pneumonia

A

Legionella bozemanii

43
Q

causes pneumonia

A

Legionella dumoffi

44
Q

sputum is treated with ____ sol’n

A

KCl:HCl

45
Q

What is HACEK?

A

_H_aemophilus spp.

_A_ggregatibacter

_C_ardiobacterium hominis

_E_ikenella corrodens

_K_ingella kingae

46
Q

loves high levels of CO2;

does not require X and V factor

A

Aggregatibacter aphrophilus

47
Q

lactose fermenters that has a grade school paste odor

A

Aggregatibacter aphrophilus

48
Q

presence of a star shape with 4-6 points in the center of colonies growing in BHI agar after 48 hrs

A

Aggregatibacter actinomycetemcomitans

49
Q

virulence factors:

  • collagenase
  • leukotoxin
A

Aggregatibacter actinomycetemcomitans

50
Q

has a rosette formation, teardrop, dumbell, lollipop appearance

A

Cardiobacterium hominis

51
Q

capnophilic that has a bleach-like odor

A

Eikenella corrodens

52
Q

B-hemolytic on BAP
catalase (-)

indole (-)

A

Kingella kingae

53
Q

can be mistaken for N. gonorrhoeae on Modified Thayer Martin Agar

A

Kingella denitrificans

Bacteriology (11 decks)

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