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AA3 Bacteriology and Mycology > Lesson 3 (VMCB) > Flashcards

Lesson 3 (VMCB) Flashcards

1
Q

Opportunistic pathogens producing diverse inflammatory resp

A

actinobacteria, nocardia, dermatophilus

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2
Q

media for actinobacteria

A

enriched growth media

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3
Q

usual habitat for genus actinobacteria

A

mucuos membranes of animals

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4
Q

one featuring characteristic of genus actinobacteria

A

filamentous and branching

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5
Q

media for nocardia species

A

Sabouraud dextrose agar

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6
Q

associated with equine nocardiform placentitis, leading to loss of the foal in approximately 50% of cases

A

Crossiella equi

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7
Q

they have no growth on sabouraud dextrose agar

A

Actinomyces spp., dermatophilus congolensis

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8
Q

species under genus actinomyces

A

A. bovis, A. viscosus, A. hordeovulneris

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9
Q

specie under genus actinobaculum

A

A. suis

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10
Q

specie under genus arcanobacterium

A

A. pyogenes

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11
Q

species under genus mycobacterium

A

M. bovis, M. avium, M. paratuberculosis

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12
Q

species under genus corynebacterium

A

C. pseudotuberculosis, C. pilosom, C. renali

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13
Q

species under genus rhodococcus

A

R. equi

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14
Q

long, slender, branching filaments with a tendency to fragment into rods and cocci in smears

A

nocardia sp.

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15
Q

species under genus nocardia

A

N. asteroides, N. farcinica

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16
Q

suborders of actinomycetalis

A

actinomycinaeae, corynebacterinaeae, micrococcinaeae, pseudonocardinaeae

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17
Q

specie of genus dermatophilus

A

D. congolensis

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18
Q

specie of genus crosiella

A

C. equi

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19
Q

genus under family actinomycetaceae

A

actinomyces, acinobaculum, arcanobacterium

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20
Q

genus under family corynebacteriaceae

A

mycobacterium, corynebacterium, rhodococcus, nocardia

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21
Q

found in scabs and in foci on skin of carrier animals

A

dermatophilus congolensis

22
Q

atmospheric growth requirements of actinomyces

A

Anaerobic, or facultative anaerobic, capnophilic

23
Q

atmospheric growth requirements of arcanobacterium pyogenes

A

Facultative anaerobic, and capnophilic

24
Q

habitat of actinomyces

A

Nasopharyngeal and oral mucosae

25
Q

habitat of arcanobacterium pyogenes

A

Nasopharyngeal mucosae of cattle sheep and pigs

26
Q

habitat of actinobaculum suis

A

Prepuce and preputial diverticulum of boars

27
Q

their usual habitat are soils

A

nocardia sp.

28
Q

usual habitat involves skin of carrier animals and scab lesions

A

dermatophilus congolensis

29
Q

site of lesion includes many tissues including bones

A

actinomyces sp.

30
Q

sites of lesion are in soft tissues

A

arcanobacterium pyogenes

31
Q

sites of lesion include urinary tract of sows

A

actinobaculum suis

32
Q

their site of lesion are in thoracic cavity and skin and other tissues

A

nocardia sp.

33
Q

granules in pus of A. bovis

A

sulphur

34
Q

granules in pus of A. viscosus

A

white granules

35
Q

produces pyolisin which is cytolytic for several cell types including neutrophils and macrophages, and is dermonecrotic and lethal for laboratory animals

A

Trueperrela pyogenes

36
Q

usual mode of infection by nocardia sp.

A

inhalation (or thru skin wounds or via teat canal)

37
Q

produce germ tubes and these develop into filaments which invade the epidermis

A

Dermatophilus congolensis zoopores

38
Q

reveals aggregates of filamentous organisms surrounded by eosinophilic club- shaped structures

A

lesions caused by Actinomyces bovis

39
Q

selective growth enhancing media for Nocardia sp.

A

charcoal yeast extract medium

40
Q

in which agar nocardia sp. yields dry, wrinkled, orange- coloured colonies after incubation for up to 5 days

A

Sabouraud dextrose agar

41
Q

in which agar nocardia sp. Become white, powdery and firmly adherent to agar

A

blood agar

42
Q

Specimens suitable for laboratory examination for dermatophilosis

A

scab material and samples of skin fixed in formalin

43
Q

Specimens suitable for laboratory procedures of actinomycetaceae

A

exudates, aspirates and tissue samples

44
Q

reveal the characteristic branching filaments containing zoospores of dermatophilosis

A

giemsa staining

45
Q

after 3-4 days of incubation, what are the characteristics of dermatophilosis

A

rough, golden yellow and embedded in agar, older colonies are mucoid appearance

46
Q

opportunistic pathogen and is a common cause of suppurative lesions in many domestic species worldwide

A

Trueperella pyogenes

47
Q

treatment of T. pyogenes

A

macrolides and tetracyclines

48
Q

this condition results to subcutaneous pyogranulomatous lesions and extensive fibrovascular proliferation on the peritoneal or pleural surfaces with sanguinopurulent exudate in the affected cavity

A

canine actinomycosis

49
Q

main clinical finding of canine actinomycosis

A

respiratory distress

50
Q

chronic rarefying osteomyelitis following trauma to the mucosa from rough feed or through dental alveoli during tooth eruption

A

lumpy jaw

51
Q

affects the urinary tract of pregnant sows, is transmitted at coitus and is potentially fatal

A

Actinobaculum suis

52
Q

prominent signs of porcine cystitis and pyelonephritis

A

Anorexia, arching of the back, dysuria and haematuria

AA3 Bacteriology and Mycology (13 decks)

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