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Epidemiology - MIDTERM 3 PQS > PQS - Listeriosis > Flashcards

PQS - Listeriosis Flashcards

1
Q

Listeriae can cause mastitis

A

T

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2
Q

Listeriae is zoonotic

A

T

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3
Q

Listeriosis is zoonosis

A

T

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4
Q

Haemolysin is a virulence factor of Listeriae

A

T

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5
Q

Diarrhoea is a frequent clinical sign of listeriosis in sheep

A

F

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6
Q

Listeriae can cause septicaemia in suckling lambs

A

T

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7
Q

Encephalitis is a frequent clinical sign of listeriosis in sheep

A

T

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8
Q

Diarrhoea is a frequent sign of listeriosis in sheep

A

F

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9
Q

Clinical signs of listeriosis generally seen in the summer

A

F

Winter, early spring

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10
Q

Listeriae do not cause bacteraemia or septicaemia; they travel only along the nerves

A

F

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11
Q

Not properly prepared silage can be source of listeria

A

T

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12
Q

Listeriosis has very severe clinical signs in pigs

A

F

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13
Q

The agent of listeriosis can travel along the nerves

A

T

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14
Q

Unpasteurized milk or milk products can be source of Listeria in the case of human listeriosis

A

T

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15
Q

Listeriosis is prevented by widespread vaccination using attenuated vaccine

A

F

Inactivated = weak protection and Attenuated = not safe

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16
Q

Circling is a typical sign of ovine listeriosis

A

T

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17
Q

Listeriosis have very severe clinical signs in pigs

A

F

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18
Q

Listeriosis spread very fast in an infected herd from animal to animal

A

F

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19
Q

Abortion is a clinical sign of listeriosis

A

T

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20
Q

Abortion is the most frequent clinical sign of listeriosis in sheep

A

F

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21
Q

Listeria ovis is the agent of listeriosis

A

F

Listeria monocytogenes

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22
Q

Listeriae can survive in pools and poodles

A

T

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23
Q

Listeria are soil bacteria

A

T

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24
Q

Listeriae are facultative intracellular bacteria

A

T

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25
Listeriae can cause micro abscesses in the brain
T
26
Encephalitis is a frequent clinical sign of listeriosis in sheep
T
27
Infected silage can be the source of listeria
T
28
Listeria are spreading fast from animal to animal
F
29
Listeria ivanovii causes listeriosis in animals
T
30
Listeriosis spreads from animal to animal and causes high mortality
F
31
Listeriosis causes neurological symptoms in sheep
T
32
Listeriosis can infect rodents
T
33
Listeriosis can only be seen in sheep
F
34
Aerogen infection is the most important form of infection with Listeria in sheep
F
35
Listeria can be found only in infected animals, they cannot survive in the environment
F
36
Listeria are transmitted from animal to animal very fast in the infected flock.
F
37
The most frequent sign of bovine listeriosis is abortion
T
38
There is widespread vaccination for the prevention of listeriosis
F
39
The agent of listeriosis is an intracellular bacterium
T
40
The main clinical sign of listeriosis in sheep is pneumonia
F
41
Vaccination of sheep against listeriosis with inactivated vaccines is widely done in Europe
F
42
Listeriosis causes septicaemia in lambs
T
43
Listeriosis mainly occurs at the end of winter
T
44
Listeriosis causes mainly abortion in cattle
T
45
Listeriosis can be isolated from the brain stem
T
46
Overcrowding is a predisposing factor of listeriosis
T
47
Listeria can be found in soil
T
48
Abortion is the most frequent clinical sign in bovine listeriosis
T
49
Listeria are not resistant, they cannot survive in the environment
F
50
Listeriosis can be a septicaemic disease
T
51
Pneumonia is a frequent clinical sign of listeriosis
F
52
Encephalitis is the most frequent clinical sign of listeriosis in sheep
T
53
Listeriosis is the most common neurological disease in cattle
F
54
Listeriosis occurs more frequently during the summer, at time of silage-making
F
55
In the case of listeriosis of cattle, signs of the nervous system are the most frequently seen.
F
56
Listeriosis occurs only in tropical areas
F **Worldwide, but in areas with cold weather condition is more common**
57
Neurological symptoms are the most common clinical sign of listeriosis in cow
F
58
Listeriosis occurs in the summer
F
59
Listeriosis occurs only in ruminants
F
60
Main symptoms of listeriosis in sheep is encephalitis, abortion and septicaemia.
T
61
In cases with encephalitis, abscesses can be found in the medulla oblongata
T

Epidemiology - MIDTERM 3 PQS (15 decks)

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