Other Fastidious Gram (-) Bacilli

Question 1

Family of Capnocytophaga.

Answer 1

Flavobacteriaceae

Question 2

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

Answer 2

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

Question 3

Capnocytophaga resembles what?

Answer 3

HACEK group.

Question 4

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

Answer 4

Capnocytophaga

Question 5

Characteristics (shape of Capnocytophaga)

Answer 5

Spindle-shaped, coccoid and curved filaments

Question 6

T or F
Capnocytophaga has flagella.

Answer 6

False

Question 7

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

Answer 7

Gliding motility

Question 8

The colonies of Capnocytophaga is color ____ and resembles ___.

Answer 8

Yellow-orange
Resembles E. corrodens.

Question 9

Most Capnocytophaga spp. Are nonhemolytic except __.

Answer 9

C. haemolytica (BETA)

Question 10

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

Answer 10

True

Question 11

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

Answer 11

Positive

Question 12

Specimens for Capnocytophaga.

Answer 12

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

Question 13

most common isolate sp. Of Capnocytophaga

Answer 13

C. ochracea

Question 14

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

Answer 14

Pasteurella

Question 15

most frequently isolated pasteurella species.

Answer 15

P. multocida

Question 16

coccobacilli appearing ovoid, filamentous or as bacilli.

Answer 16

Pasteurella

Question 17

Pasteurella in Bipolar staining

Answer 17

(safety pin appearance)

Question 18

Color of pasteurella spp. In SBA and CHOC.

Answer 18

grayish colonies

Question 19

T or F
Pasteurella grows in MAC agar.

Answer 19

False

Question 20

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

Answer 20

B.

Question 21

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

Answer 21

Brucella

Question 22

Brucella are describe by ___.

Answer 22

Disease course
Geographic location

Question 23

Disease course for Brucella.

Answer 23

undulant fever (rising and falling)

Question 24

Description of Brucella based on geographic location.

Answer 24

Mediterranean
Crimean
Malt fever

Question 25

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

Answer 25

All of the above

Question 26

3 clinical stages of Brucella.

Answer 26

Acute Subchronic Chronic

Question 27

Clinical stages of Brucella (within 8 weeks of exposure)

Answer 27

Acute

Question 28

Clinical stages of Brucella within a year of exposure.

Answer 28

Subchronic

Question 29

Clinical stages of Brucella (1 year after exposure)

Answer 29

Chronic

Question 30

Four Brucella species associated with human illness:

Answer 30

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

Question 31

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

Answer 31

D.

Question 32

Appearance of Brucella colonies.

Answer 32

Smooth, raised, and translucent colonies

Question 33

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

Answer 33

False (+)

Question 34

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

Answer 34

C

Question 35

Etiologic agent of Tularemia

Answer 35

Francisella tularensis

Question 36

Other name of Tularemia.

Answer 36

- Rabbit, deerfly, and lemming fever - Water rat trappers’ disease

Question 37

The most common clinical form of Francisella.

Answer 37

Ulceroglandular

Question 38

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

Answer 38

E

Question 39

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

Answer 39

Category A select biologica agent

Question 40

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

Answer 40

A. anaerobes

Question 41

Francisella spp. Require ___ to grow.

Answer 41

cysteine, cystine, or thiosulfate

Question 42

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

Answer 42

D.

Question 43

Appearance of Francisella colonies.

Answer 43

Gray-white raised colonies smooth appearance