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Bacteriology and Mycology Exam 1 > Nocardia > Flashcards

Nocardia Flashcards

1
Q

gram

A

positive

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2
Q

respiration

A

aerobic

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3
Q

saphrophytic?

A

yes

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4
Q

morphology

A

filamentous

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5
Q

culture media

A

blood agar
culture media with charcoal yeast extract

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6
Q

colony description

A

white
powdery
firmly adhere to agar

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7
Q

hemolytic?

A

variable hemollytic

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8
Q

odor?

A

odorless

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9
Q

growth on sabouraud dextrose agar

A

yields dry wrinkled orange colored colonies after incubation for up to 5 days

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10
Q

clinical infections

A

dogs – cutaneous and systemic infections
cattle – mastitis (sporadic)
immunosuppression an important predisposing factor

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11
Q

disease conditions in dogs

A

canine nocardiosis
cutaneous pyogranulomas
pyogranulomatous pleural lesions and pyothorax
dissemiated lesions

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12
Q

disease conditions in cows

A

chronic mastitis
abortion
bovine farcy

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13
Q

disease conditions in pigs

A

abortion

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14
Q

disease conditions in sheep, goat, horse

A

wound infections
mastitis
pneumonia
other pyogranulomatous conditions

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15
Q

canine nocardiosis transmission

A

inhalation
through skin
ingestion

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16
Q

forms of canine nocardiosis

A

thoracic
cutaneous
disseminated

17
Q

symptoms of canine nocardiosis

A

fever
anorexia
respiratory distress
fibrovascular proliferative reaction on pleura
sanguinopurulent fluid accumulation in thoracic cavity

18
Q

cutaneous form of canine norcardiosis

A

ulcer
granulomatous swelling
discharging fistulous tracts

19
Q

disseminated form of canine nocardiosis

A

in dogs less than 12 months
clinical signs non specific

20
Q

treatment of canine nocardiosis

A

amikacin
cotrimoxazole

21
Q

what causes bovine farcy (bovine nocardiosis)

A

nocardia farcinica

22
Q

where is bovine nocardiosis limited to

A

tropics

23
Q

what is bovine nocardiosis

A

chronic infection of superficial lymphatic vessels and lymph nodes

24
Q

bovine nocardiosis lesions

A

small cutaneous nodules – enlarge slowly and coalesce to form swellings (rarely ulcerate)

25
Q

why is bovine nocardiosis important

A

lesions resemble those of tuberculosis

Bacteriology and Mycology Exam 1 (26 decks)

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