Midterm 1 Flashcards
1
Q
Drinking water cannot transmit infective agents since it is hypoosmotic
A
False
2
Q
In the case of iatrogenic infections, the infective agents are transmitted by the veterinarian.
A
True
3
Q
Intra uterine infection does not occur since the placenta protects the fetus.
A
False
4
Q
In the case of cyclozoonosis arthropods are responsible for maintaining the infection
A
False
5
Q
An euryxen agent can infect several host species.
A
True
6
Q
In the case of a local infection the site of entry and the lesions are at the same place.
A
True
7
Q
The incubation time is the time between the appearance of the clinical signs and death of
the animal.
A
False
8
Q
When the clinical signs disappear, shedding the agent is finished
A
False
9
Q
In the case of an abortive infection no clinical signs will be seen.
A
True
10
Q
In the case of latent infection only mild clinical signs will be seen.
A
False
11
Q
Subunit vaccines contain only antigens of the agents.
A
True
12
Q
Certain diseases can be eradicated with generation shift
A
True
13
Q
Canine adenovirus serotype-1 may cause encephalitis in certain carnivore hosts.
A
True
14
Q
Dogs carry Canine adenovirus serotype-1 usually in the spleen.
A
False
15
Q
Only inactivated vaccines are available against Infectious Canine Hepatitis infections.
A
False
16
Q
Infertility and abortions are the most significant signs of Bovine adenovirus infections
A
False
17
Q
Avian adenoviruses spread both vertical and horizontal.
A
True
18
Q
Adenoviruses may cause hydropericardium syndrome in chicken and in geese.
A
Ture
19
Q
Egg Drop Syndrome usually appears in the beginning of the laying season.
A
False
20
Q
The Turkey Hemorrhagic Enteritis and the Marble Spleen Disease are caused by the same virus
A
True
21
Q
Feline panleukopenia is present worldwide.
A
True
22
Q
Feline panleukopenia may be caused by Canine parvoviruses.
A
True
23
Q
Aleutian mink disease virus induces enteritis in older mink.
A
False
24
Q
Inactivated vaccines are used agains aleutian mink disease
A
False
25
The primary site of replication of the Derzsy´s disease virus is the gut.
True
26
Infection below 5 weeks of age result in severe clinical signs of the Derzsy´s disease.
True
27
Hemorrhagic enteritis and nephritis of geese is only prevalent in France.
False
28
Infection of day-old chickens with the Chicken Infectious Anemia virus leads to immune suppression.
True
29
Porcine circoviruses are responsible for a variety of clinical conditions.
True
30
Porcine circovirus replicates in the myocardium of the fetus.
True
31
Porcine circoviruses cannot be responsible for reproductive disorders.
False
32
Porcine circoviruses cause severe hemorrhagic diseases in pigs.
True
33
Herpesvirus infections frequently result in latent virus carry
True
34
Herpesviruses are strong antigens; therefore, single vaccinations provide life-long protection.
False
35
Antibodies against Infectious Bovine Rhinotracheitis Virus (IBRV) might be detected in the milk.
True
36
The most frequently used eradication strategy for IBRV is selection with the help of vaccines.
True
37
The Bovine Herpes Mammillitis virus causes lesions on the skin of the milker´s, therefore, it is a zoonotic agent.
True
38
Goats are the reservoir hosts of the Malignant Catarrhal Fever virus.
False
39
Convalescent swine are life-long carriers and potential shedders of Aujeszky's disease virus.
True
40
Swine are immunized against the Aujeszky's disease virus usually with gE-negative marker vaccines.
True
41
The Equid herpesvirus-1 may cause abortion storms in studs.
True
42
Pregnant mares abort usually several weeks after Equid herpesvirus-1 infection.
True
43
Abortion is a frequent complication of Coital Exanthema in mares.
False
44
Equid herpesvirus-2 may cause Keratoconjunctivitis in foals.
True
45
Feline Infectious Rhinotracheitis is characterized by inflammation of the upper respiratory tract.
True
46
Crowded area, poor general condition and stress contribute significantly to the development of Feline Infectious Rhinotracheitis.
True
47
Prolonged contact is usually needed for successful transmission of Feline Infectious Rhinotracheitis.
False
48
Sneezing is typical for Feline Infectious Rhinotracheitis
True
49
Infectious Laryngotracheitis virus is typically transmitted by the germinative route.
False
50
Infectious Laryngotracheitis virus replicates in the liver of cats.
False
51
Conjunctivitis is frequently associated with Infectious Laryngotracheitis.
True
52
Duck plague is only seen in day-old ducklings
False
53
Pigeon herpesvirus infection is frequently combined with adenovirus and circovirus infection.
True
54
The Marek disease virus survives for a long time in the environment.
True
55
Marek disease is caused by Turkey herpesviruses.
False
56
Transient Marek paralysis may lead to visceral form.
True
57
Parapoxvirus infections induce long-lasting immunity.
False
58
Cowpox virus is frequently present in rodents.
True
59
Contagious Pustular Dermatitis is often deadly at any age.
False
60
Sheep and goat pox are endemic in Europe.
False
61
Sheep pox is deadly for young susceptible lambs.
True
62
Lumpy Skin Disease virus is mostly transmitted by insects.
True
63
Myxomatosis is mostly seasonal.
True
64
There are no vaccines available against Myxomatosis.
False
65
Fowl pox viruses cause generalized diseases in seals
False
66
In the case of aerogenic infection the agents are transmitted with air.
True
67
If agents are passed from animals to humans, we speak about zoonosis.
True
68
Mortality shows the ratio of dead animals and the total stock.
True
69
Some infective agents can cause malformation of fetuses
True
70
Cellular immune response is very important in the case of viral diseases.
True
71
In case of latent infections, the agents are continuously shed.
False
72
Pandemic diseases are spreading fast around the Earth.
True
73
Selection (test and slaughter) is a method of eradiation of a disease
True
74
Canine adenovirus infects only dogs.
False
75
Dogs may develop transient bilateral corneal opacity after Canine adenovirus infection.
True
76
Bovine adenovirus-10 may cause hemorrhagic enteritis.
True
77
Aviadenovirus infections of geese may cause lesions similar to the Derzsy´s disease
True
78
Seropositive cattle cannot be carriers of the Infections Rhinotracheitis virus.
False
79
Bovine Herpes Mammillitis virus causes milkers' nodules in humans.
True
80
Malignant Catarrhal Fever is usually lethal in cattle.
True
81
Dogs should be vaccinated against Aujeszky's diseas
False
82
Canine herpesvirus-1 may contribute the signs of the Kennel Cough Syndrome.
True
83
Canine herpesvirus may remain in latency for years in infected animals.
True
84
Ulcerations of the oral mucosa are frequent signs of Feline Rhinotracheitis.
False
85
Abortion is rare in rhinotracheitis infected pregnant cats
False
86
Infectious Laryngotracheitis virus replicates in the upper respiratory tract.
True
87
Duck viral enteritis is usually mild, osmotic diarrhea.
False
88
Duck plague infects exclusively domestic and wild ducks.
False
89
Pigeon herpesvirus infection causes feather developmental problems
False
90
The usual way of infection by sheep or goat pox is inhalation.
True
91
Myxomatosis virus is only present in Australia.
False
92
Myxomatosis is mostly seasonal
True
93
```
Humans can be infected by the following poxviruses:
Cowpox.
Pseudo-cowpox.
Vaccinia.
Monkey pox.
```
✅ Cowpox.
✅ Pseudo-cowpox.
✅ Vaccinia.
✅ Monkey pox.
94
The chronic form of Marek disease is characterized by neurological disorders.
True
95
Transient paralysis by Marek disease usually ends in full recovery.
False
96
Marek disease usually starts as an airborne infection.
True
97
Free Marek virus particles are shed from the feather follicles
True
98
Porcine SMEDI can only be induced by parvoviruses.
False
99
Porcine parvovirus-1 (PPV-1) is transmitted through the fecal-oral route.
True
100
PPV-1 induces diarrhea in suckling piglets
False
101
Avian pox viruses are frequently transmitted by insects.
True
102
The mucosal form of Fowl pox is bening
False
103
Neurological disorders are frequent in Porcine parvovirus infections.
False
104
The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine.
True
105
Canine parvoviruses are shed in high concentrations with the feces.
True
106
Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats
True
107
Feline panleukopenia viruses may infect dogs.
False
108
Mink parvovirus enteritis is characterized by fever and high mortality.
True
109
Live vaccines are used against Aleutian Mink Disease.
False
110
Ferrets can also be infected by the Aleutian Mink Disease virus
True
111
Derzsy´s disease virus can cross into the egg.
True
112
Derzsy´s disease may occur both in geese and Muscovy chucks.
True
113
Hemorrhagic nephritis and enteritis of geese is caused by herpes viruses.
False
114
Hemorrhagic nephritis and enteritis of geese is present worldwide
True
115
Porcine circoviruses are genetically and antigenically uniform.
False
116
Porcine circoviruses may cause a variety of diseases.
True
117
Infection of day-old chickens with Chicken Anemia Virus leads to immune suppression.
True
118
Avian circovirus infections result high morbidity and low mortality.
True
119
Pigeon circoviruses are antigenically uniform.
False
120
Pigeon circoviruses frequently appear in diseases together with other viruses and bacteria
True
121
Germinative infection is frequent in mammals, it will result in malformation of the fetuses.
False
122
Galactogen infection cannot happen when the animals receive colostrum, since the antibodies in the colostrum prevent it.
False
123
In the case of horizontal infection animals in the same group infect each other.
True
124
Intra uterine infection can occur in pregnant animals
True
125
Pathogenicity means the ability of the agent to cause disease.
True
126
Virulence means the level of pathogenicity.
True
127
The amount of the agent does not influence the outcome of the infection, since it can replicate in the host.
False
128
In the case of optimal way of infection the least amount of agent can cause disease
True
