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EPI Final PQ > MT4 - E. COLI GENERAL (R) > Flashcards

MT4 - E. COLI GENERAL (R) Flashcards

1
Q

Lack of colostrum is an important predisposing factor in diseases in young animals caused by E. coli.

A

T

No colostral immunity
poor hygiene
overcrowding
stress

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2
Q

Certain verotoxigenic Escherichia coli strains can be zoonotic.

A

T

through consumption of food or water, or contact with infected animals

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3
Q

Enterotoxigenic Escherichia coli strains are responsible for oedema disease

A

F

diarrhea and other gastrointestinal illnesses

oedema disease: (STEC) –> verotoxin or Shiga toxin

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4
Q

Detection of virulence factors of E.Coli is important in the diagnostics diseases caused by E.coli.

A

T

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5
Q

E. coli can cause haemorrhagic enteritis of humans

A

T

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6
Q

faeces of asymptomatic cattle can be the source of infection with zoonotic Escherichia coli:

A

T

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7
Q

Per os antibiotics are recommended for the treatment of neonatal coli diarrhoea of calves

A

F- changed- can be used but not rec-A

for enteric diseases

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8
Q

E. coli septicemia is caused by verotoxigenic strains

A

F-A

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9
Q

Fimbria can be virulence factors of E. coli strains

A

T

fimbra, capsule, LT, ST, verotoxins

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10
Q

LT toxin can be virulence factor of some E. coli strains.

A

T

fimbra, capsule, LT, ST, verotoxins

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11
Q

Enterotoxigenic E. coli strains cause diarrhoea in neonatal animals

A

T

instinal / diarrhegenic

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12
Q

The enterotoxigenic E. coli strains cause neonatal diarrhoea in calves and piglets

A

T

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13
Q

The enterotoxins of E. coli inhibit the protein synthesis.

A

F

verotoxins inhibit protein synthesis !

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14
Q

The enterotoxigenic E. coli strains have fimbria as adhesins

A

T

**adhesins: **Fimbra, outer membrane proteins, fibronectine receptors

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15
Q

The verotoxigenic E. coli strains cause septicaemia of calves.

A

F-A

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16
Q

Endotoxins are the virulence factors of E. coli causing septicaemia

A

T

LPS

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17
Q

Fimbria is the virulence factor of enterotoxic E. coli strains

A

T

18
Q

Verotoxins are the virulence factors of enterotoxic E. coli strains.

A

F

E. coli (VTEC) or Shiga toxin-producing E. coli (STEC).

19
Q

Fimbria is the virulence factor of enteropathogenic E. coli strains.

A

F -its intimin

20
Q

Enteropathogenic E. coli strains mainly damage the villi

A

T

21
Q

E. coli strains always cause generalized infections in animals.

A

F

22
Q

Enterotoxins of E. coli cause severe inflammation in the small intestines

A

F

primarily affect the intestinal epithelial cells, leading to increased secretion of fluids and electrolytes into the intestinal lumen, resulting in watery diarrhea.

23
Q

Enteropathogenic Escherichia coli strains cause neonatal diarrhoea in calves and piglets

A

F

In piglets, rabbits, dog and cats

24
Q

Enteropathogenic Escherichia coli strains damage the microvilli.

A

T

25
Q

Verotoxigenic Escherichia coli strains can cause disease in pigs

A

T

Pigs, calves , dogs and cats

26
Q

Verotoxigenic Escherichia coli strains frequently cause septicaemia in chicken

A

F

27
Q

Endotoxin is a virulence factor of Escherichia coli

A

T

capsule, fimbria, endotoxinm exotoxin, verotoxin etc..

28
Q

Enterotoxins and fimbria are virulence factors enterotoxigenic Escherichia coli strains.

A

T

adhesive factors: fimbira + enterotoxin

29
Q

Verotoxins are virulence factors of septicemic Escherichia coli strains.

A

F

30
Q

Enterotoxins are virulence factor enteropathogenic Escherichia coli strains

A

F

it is enterotoxigenic

31
Q

Enterotoxic E. coli strains attach to enterocytes

A

T

32
Q

The enterotoxic E. coli strain produces verotoxins

A

F

33
Q

The enterotoxic E. coli strains cause oedema disease.

A

F

(STEC) or verotoxigenic E. coli (VTEC) cause oedema disease

34
Q

Enterotoxic E. coli strains attach to enterotoxins

A

F

attach to enterocytes

35
Q

Enterotoxic E. coli strains produce fimbriae

A

T

36
Q

Enterotoxigenic E. coli strains produce fimbriae

A

T

37
Q

Enterotoxin cause enteritis in the large intestine.

A

F

the small intestine

38
Q

Enterotoxigenic E. coil strains produce fimbria and enterotoxins.

A

T

39
Q

Verotoxins inhibit protein synthesi

A

T

inhibit protein synthesis = give endothelial damage

40
Q

Verotoxins damage the endothelial cells

A

T

inhibit protein synthesis = give endothelial damage

EPI Final PQ (49 decks)

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