SECOND PRIO (2) Flashcards

1
Q

brucellosis affecting cattle

A

b. abortus

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2
Q

brucella sp. affecting goats

A

b. melitensis

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3
Q

brucella species affecting sheep

A

b. ovis

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4
Q

principal manifestation of brucellosis

A

reproductive failure in males and females

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5
Q

other term for brucellosis

A

Undulant fever, Mediterranean fever, Abortus fever, Contagious abortion, Bang’s Disease, Malta fever

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6
Q

brucellosis in cattle causes abortion in what phase of pregnancy

A

last 3 months

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7
Q

other animal susceptible to brucellosis

A

dogs

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8
Q

brucellosis organism has greatest numbers in what organs

A

pregnant uterus, fetus, fetal membranes

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9
Q

disease with a risk of spread from AI

A

brucellosis

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10
Q

risk factor of bang’s dz

A

proximity to infected herds = double fence

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11
Q

causes undulant fever

A

brucellosis

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12
Q

Brucellosis pathogenesis

Bacteria causes ___ ↓
Multiplies in the ___

Invades ____, _, __ ___ ↓
Bacteremia for months

Pregnant: ulceration of the ____ then cotyledon and villi

Abortions, still birth, weak calves

A

Bacteria causes lymphadenitis ↓
Multiplies in the phagocytes

Invades spleen, LN, mammary gland, uterus ↓
Bacteremia for months

Pregnant: ulceration of the endometrium then cotyledon and villi

Abortions, still birth, weak calves

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13
Q

brucellosis is Characterized by __ followed by
localization of infection in the _ and __

A

septicemia
lymph node and
genital organ

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14
Q

where do brucella replicates?

A

phagocytes

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15
Q

brucella sp. causes ulceration of the ___, __ and __in pregnants

A

endometrium
then cotyledon and villi

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16
Q

substance normally produced by the fetus
stimulates growth of Brucella sp

A

erythritol

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17
Q

T.F erythritol is directly proportional to stage of pregnancy at time of ingestion

A

inversely

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18
Q

brucellosis induces abortion after __ mos

A

5

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19
Q

brucella can cause -___on the knees , stifles, hock etc

A

Hygromas

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20
Q

-edematous placenta
-presence of leathery plaques on the chorion’s
external surface
-necrosis of the cotyledons

A

brucellosis

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21
Q

t/f trying to
control B. melitensis in sheep and goats is much
more difficult

A

T

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22
Q

safer technique if want to salvage genetic material from infected animal)

A

embryo transfer

23
Q

human manifestation of brucellosis

A

undulant fever

24
Q

in brucellosis, Those who recovered can still breed but are considered _ of the dz

A

reservoirs

25
Q

large scale screening of sera of brucella from buffaloes/carabaos is done thru

A

rose bengal test

26
Q

Principle of rose bengal test: serum has Ab against brucella =__

A

agglutination

27
Q

source of infection of b.ovis in major sheep-producing regions

A

infected ram

28
Q

Passive venereal infection is when infection from ram is passed via ___

A

female reproductive tract

29
Q

b. melitensis effect on humans

A

mediterranean fever or malta

30
Q

brucella that has high risk of bioterorrism

A

b. melitensis

31
Q

b. melitensis is first observed in_

A

maltese sheep

32
Q

cells attacked by b. abortus

A

PMNs (NEB), MO, DCs

33
Q

*Vaccination program that target cattle against ___ have proved effective but trying to control ___ in sheep and goats is much more difficult

A

B. abortus
B. melitensis

34
Q

tx for b. ovis

A

oxytet, dihydrostreptomycin

35
Q

fasciola infecting in cooler climates

A

f. hepatica

36
Q

fasciola infectin in warmer climates

A

f.gigantica

37
Q

are a source of pasture contamination of fasciola

A

sheep

38
Q

t.f mechanical damage to liver parenchyma is brought by adults

A

youngs

39
Q

Caused by adults in bile ducts

A

chronic fasciolosis

40
Q

what stage of cercaria is ingested in acute hepatic fasciolosis

A

metacercariae

41
Q

causes black disease; what animals

A

clostridium novyi

sheep and cattle

42
Q

Intermediate form of fasciolosis described in sheep

A

subacute

43
Q

pressure exerted by the water inside BV

A

hydrostatic pressure

44
Q

pressure exerted by the proteins in the blood (e.g albumin)

A

oncotic pressure

45
Q

acute fasciolosis anemia type

A

normochromic

46
Q

chronic fascio anemia type

A

hypochromic macrocytic anemia

47
Q

lab of acute fascio

A

inc. GDH, AST/SGOT, eosinophilia, normochromic anemia

48
Q

black dz spores cause fasciola in __

A

liver parenchyma

49
Q

tx of fasciola

A

triclabendazole

50
Q

anti-trematode drugs for adult and immature fasciola

A

nitroxynil, triclabendazole, diamphenetide, closantel

51
Q

anti-trematode drugs for adult

A

clorsulon, albendazole, rafoxanide, netobimin

52
Q

used to reduce snail #s

A

copper sulfate or sodium pentachlorophenate

53
Q

what part of forage is cut to prevent metacercariae

A

lower

54
Q

Brucellosis pathogenesis

Bacteria causes ___ ↓
Multiplies in the ___

Invades ____, _, __ ___ ↓
Bacteremia for months

Pregnant: ulceration of the ____ then cotyledon and villi

Abortions, still birth, weak calves

A

Bacteria causes lymphadenitis ↓
Multiplies in the phagocytes

Invades spleen, LN, mammary gland, uterus ↓
Bacteremia for months

Pregnant: ulceration of the endometrium then cotyledon and villi

Abortions, still birth, weak calves