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BACTE (LESSON 18) > Other Fastidious Gram (-) Bacilli > Flashcards

Other Fastidious Gram (-) Bacilli Flashcards

1
Q

Family of Capnocytophaga.

A

Flavobacteriaceae

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2
Q

How many Capnocytophaga spp. Have? And how many are part of normal flora of oral cavity?

A

Seven species (five are normal flora of the oral
cavity)

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3
Q

Capnocytophaga resembles what?

A

HACEK group.

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4
Q

They are thin and often fusiform (pointed ends) that resemble fusibacterium spp.

A

Capnocytophaga

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5
Q

Characteristics (shape of Capnocytophaga)

A

Spindle-shaped, coccoid and curved filaments

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6
Q

T or F
Capnocytophaga has flagella.

A

False

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7
Q

The motility of Capnocytophaga on a solid surface is called what?

A

Gliding motility

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8
Q

The colonies of Capnocytophaga is color ____ and resembles ___.

A

Yellow-orange
Resembles E. corrodens.

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9
Q

Most Capnocytophaga spp. Are nonhemolytic except __.

A

C. haemolytica (BETA)

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10
Q

T or F
most Capnocytophaga are (-) in biochem test.

A

True

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11
Q

The 5 Capnocytophaga spp. Normal flora in oral cavity are catalase and Oxidase (__)

A

Positive

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12
Q

Specimens for Capnocytophaga.

A

Blood from:
- neutropenic patients who
have oral ulcers
- juvenile periodontal disease and
endocarditis

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13
Q

most common isolate sp. Of Capnocytophaga

A

C. ochracea

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14
Q

Bacteria that can cause cutaneous infection resulting from animal bites (feline bites)

A

Pasteurella

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15
Q

most frequently isolated pasteurella species.

A

P. multocida

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16
Q

coccobacilli appearing ovoid, filamentous or as bacilli.

A

Pasteurella

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17
Q

Pasteurella in Bipolar staining

A

(safety pin appearance)

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18
Q

Color of pasteurella spp. In SBA and CHOC.

A

grayish colonies

19
Q

T or F
Pasteurella grows in MAC agar.

A

False

20
Q

All are the characteristics of P. multocida in SBA except:
A. Nonhemolytic
B. Pitting of agar
C.Narrow green-brown halo (24-48 hrs.
D. Mucoid

A

B.

21
Q

Fastidious gram (-) bacilli used for Bioterrorism and they belong in category B.

A

Brucella

22
Q

Brucella are describe by ___.

A

Disease course
Geographic location

23
Q

Disease course for Brucella.

A

undulant fever (rising and falling)

24
Q

Description of Brucella based on geographic location.

A

Mediterranean
Crimean
Malt fever

25
Q

What is/are transmission routes of Brucella ?
A. Aerosol
B. percutaneous
C. oral
D. Sexual contact and breastfeeding

A

All of the above

26
Q

3 clinical stages of Brucella.

A

Acute
Subchronic
Chronic

27
Q

Clinical stages of Brucella (within 8 weeks of exposure)

A

Acute

28
Q

Clinical stages of Brucella within a year of exposure.

A

Subchronic

29
Q

Clinical stages of Brucella (1 year after exposure)

A

Chronic

30
Q

Four Brucella species associated with human illness:

A

– B. melitensis
– B. abortus
– B. canis
– B. suis

31
Q

Characteristics of Brucella except:
A. Unencapsulated
B. Non spore forming
C. Smooth and translucent
D. Sharp and shiny

A

D.

32
Q

Appearance of Brucella colonies.

A

Smooth, raised, and translucent colonies

33
Q

T or F
Brucella are oxidase, catalase, urease (-)

A

False (+)

34
Q

Which among genus is not zoonosis
A. Pateurella
B. Brucella
C. Eikenella
D. Francisella

A

C

35
Q

Etiologic agent of Tularemia

A

Francisella tularensis

36
Q

Other name of Tularemia.

A
  • Rabbit, deerfly, and lemming fever
  • Water rat trappers’ disease
37
Q

The most common clinical form of Francisella.

A

Ulceroglandular

38
Q

Transmission routes of Francisella except:
A. Ingestion
B. inhalation
D. arthropod bite or contact with infected tissues
E. Sexually transmitted

A

E

39
Q

What category of the agent of bioterrorism does Francisella belong to?

A

Category A select biologica agent

40
Q

All are characteristics of Francisella except.
A. anaerobes
B. Nonmotile
C. Aerobic
D. Facultative intracellular pathogen
E. Nonspore

A

A. anaerobes

41
Q

Francisella spp. Require ___ to grow.

A

cysteine, cystine, or thiosulfate

42
Q

Culture medial for Francisella.
A. MTM, MAC, BCYE. TSB
B. CHOC, MH,EMB, MAC
C. TSB, EMB,BAP, BCYE
D. CHOC, MTM, BCYE, MH

A

D.

43
Q

Appearance of Francisella colonies.

A

Gray-white
raised colonies
smooth appearance

BACTE (LESSON 18) (4 decks)

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