Coronaviruses Flashcards
1
Q
1) Human coronavirus was not known before 2020
A
false
2
Q
2) Recombination between coronaviruses is frequent
A
true
3
Q
3) Recombination between coronaviruses is rare
A
false
4
Q
4) Coronaviruses are of two origin: bird or bat
A
true
5
Q
5) Human coronaviruses usually cause death
A
false
6
Q
6) Coronaviruses are enveloped viruses
A
true
7
Q
7) BCoV can cause haemagglutination
A
true
8
Q
8) IBV can cause haemagglutination
A
false
9
Q
9) PDCoV can cause haemagglutination
A
false
10
Q
10) CCoV can cause haemagglutination
A
false
11
Q
11) TGEV can cause haemagglutination
A
false
12
Q
12) FIPV can cause haemagglutination
A
false
13
Q
13) HeCoV can cause haemagglutination
A
true
14
Q
14) PEDV can cause haemagglutination
A
false
15
Q
15) Coronaviruses can survive for months in the environment.
A
false
16
Q
16) Coronaviruses frequently mutate and recombine
A
true
17
Q
17) Coronaviruses have a weak physical resistance.
A
true
18
Q
1) In the case of transmissible encephalopathies always degenerative lesions can be seen
A
true
19
Q
2) In the case of transmissible encephalopathies meningoencephalitis is a typical postmortem lesion
A
false
20
Q
3) Typical sign of TGE is vomiting and diarrhoea
A
true
21
Q
4) TGE virus does not reach the mammary gland
A
false
22
Q
5) TGE virus can replicate in the lungs
A
true
23
Q
6) The colostral immunity against TGE protects the piglets from the disease
A
true
24
Q
7) The antibodies against porcine respiratory coronavirus protect the pigs against TGE
A
true
25
8) TGE virus does not reach foetuses
true
26
9) TGE virus does not cause haemagglutination in vitro
true
27
10) TGE virus can cause haemagglutination in vitro
false
28
11) TGE can cause 100% mortality in newborn piglets
true
29
12) TGE virus causes respiratory signs in piglets
false
30
13) The pathology of TGE is not characteristic
true
31
14) TGE virus does not cause dehydration
false
32
15) The pathognomonic sign of TGE is necrosis in the large intestine
false
33
16) TGE virus can replicate in the intestine
true
34
17) Porcine transmissible gastroenteritis (TGE) is completely eradicated in Europe
false
35
18) TGE causes 100% mortality in sows
false
36
19) The incubation time of TGE is usually 5-7 days.
false
37
20) TGE virus infects the digestive and the respiratory systems
true
38
21) TGEV is widespread and fully replaced porcine epidemic diarrhoea (PED) virus.
false
39
22) Porcine respiratory coronavirus induces cross-protection against PED
false
40
23) Today TGE occurs in an enzootic form
true
41
24) The characteristic symptoms of TGE are vomiting and diarrhoea
true
42
25) TGE infects only swine
false
43
26) TGE virus causes high morbidity
true
44
27) Transmissible gastroenteritis is the more severe in piglets than in adult swine
true
45
28) The mortality caused by transmissible gastroenteritis of swine is the highest among old sows
false
46
29) Transmissible gastroenteritis of swine is a widespread disease, causing high losses in Europe
false
47
30) The lesions of transmissible gastroenteritis of swine are in the gastric mucosa and in the small intestine
true
48
31) Transmissible gastroenteritis of pigs is more frequent in the tropical countries that the moderate climate
false
49
32) There is no cross protection between transmissible gastroenteritis vines and the pulmonary coronavirus of pigs
false
50
33) Transmissible gastroenteritis virus can cause clinical disease only in pigs
true
51
34) Transmissible gastroenteritis virus spreads rapidly in the herd
true
52
35) The epizootic TGEV spreads rapidly
true
53
36) The epizootic TGEV can cause disease mainly in winter
true
54
37) The epizootic TGEV can be transmitted with milk
true
55
38) The epizootic TGEV does not cause viraemia
false
56
39) Transmissible gastroenteritis virus provides cross protection to hemagglutinating coronavirus
false
57
40) TGE mainly cause croupous pneumonia
false
58
41) TGE replaces the respiratory corona virus
false
59
42) TGE appears in Hungary
true
60
43) TGE causes 100% mortality in susceptible piglets under 1 week of age
true
61
44) Porcine transmissible gastroenteritis is completely eradicated in Europe
false
62
45) PED is similar to TGE
true
63
46) The incubation time of TGE is usually 1-3 days
true
64
47) TGE virus infects the digestive and the respiratory system
true
65
48) Only pigs are susceptible to TGE infection
false
66
49) Maternal immunity is essential against TGE infection of piglets
true
67
50) Today TGE occurs in epizootic form
true
68
51) TGE is completely eradicated in Europe
false
69
52) Transmissible gastroenteritis is usually asymptomatic in adults
true
70
53) Transmissible gastroenteritis virus can cause clinical signs in dogs
false
71
54) The Porcine respiratory coronavirus has been evolved from the Transmissible gastroenteritis virus.
true
72
55) Porcine respiratory coronavirus induces cross-protection from transmissible gastroenteritis
true
73
56) TGE infection is devastating at any age
false
74
57) The incubation period of TGE can be as short as 8 hours.
false
75
1) Pig has betacoronavirus
true
76
2) Pigs has only alphacoronavirus
false
77
3) The porcine coronavirus may be avian virus
true
78
4) The antibodies against porcine respiratory coronavirus protect the pigs against porcine epidemic diarrhoea virus
false
79
5) Mutations and recombinations do not occur in swine coronaviruses
false
80
6) PRCoV usually causes pneumonia
false
81
7) Porcine respiratory coronavirus causes acute pneumonia in susceptible piglets
false
82
8) Porcine respiratory coronavirus reduced the prevalence of porcine epidemic diarrhoea
false
83
9) Porcine respiratory coronavirus induces cross protection from TGE
true
84
10) Swine pulmonary corona virus has a high mortality by pneumonia
false
85
11) Porcine respiratory coronavirus is a modification of the Hemagglutinating encephalomyelitis virus
false
86
12) PRCoV gives cross protection against TGEV
true
87
13) PDCoV causes symptoms in pigs.
true
88
14) Porcine respiratory coronavirus causes acute pneumonia in susceptible piglets
false
89
1) Porcine epidemic diarrhea can cause clinical signs in older animals
true
90
2) The virus causing porcine epidemic diarrhea can replicate in the colon
true
91
3) PEDV also occurs in Europe
true
92
4) The porcine epidemic diarrhoea virus causes disease in calf
false
93
5) Porcine epidemic diarrhoea virus can cause disease in humans
false
94
6) The virus causing porcine epidemic diarrhoea can replicate in the heart muscle of the foetus
false
95
7) Porcine epidemic diarrhoea virus causes more severe symptoms in adult than in young piglets
false
96
8) Porcine epidemic diarrhoea is present only in Africa and in the Middle East
false
97
9) Porcine epidemic diarrhoea usually resembles TGE
true
98
10) Porcine epidemic diarrhoea can be transmitted by infected dogs and cats
false
99
11) Porcine epidemic diarrhoea frequently occurs in Europe
false
100
1) PHEV gets to central nervous system via the peripheral nerves
true
101
2) PHEV causes diarrhoea
false
102
3) Hemagglutination encephalomyelitis virus infects young pigs
true
103
4) Hemagglutinating encephalomyelitis virus is typically vectored by mosquitoes
false
104
5) Hemagglutinating coronavirus can cause encephalomyelitis in suckling piglets.
true
105
6) Hemagglutinating coronavirus can cause severe diarrhoea in sows
false
106
7) Hemagglutinating coronavirus/Ontario Disease is sporadic in Hungary
true
107
8) Hemagglutinating coronavirus of pigs is frequently causing malabsorption in sows
false
108
9) The hemagglutinating encephalomyelitis virus multiplicate in hematopoietic stem cells of the bone marrow
false
109
10) Hemagglutinating coronavirus is present worldwide
true
110
11) The occurrence of coronavirus encephalomyelitis of piglets is usually sporadic
true
111
1) Deltacoronavirus of pigs is a bat virus
false
112
2) Deltacoronavirus of pigs is an avian virus
true
113
1) Bovine coronavirus is generally spreading in summer
false
114
2) The bovine coronavirus is of avian origin
false
115
3) Bovine coronavirus is betacoronavirus
true
116
4) Bovine coronavirus is alphacoronavirus
false
117
5) Bovine coronavirus does not cause haemagglutination in vitro
false
118
6) Bovine coronavirus remains at the place of the primary replication, and it does not cause viraemia
false
119
7) Bovine coronavirus is generally spreading in winter
true
120
8) Certain bovine coronaviruses can cause diarrhoea in children
false
121
9) Bovine coronaviruses usually infect the respiratory and the digestive systems.
true
122
10) Bovine corona virus causes diarrhoea in adult animals mainly in summer
false
123
11) Bovine corona virus can cause respiratory problems
true
124
12) Cattle can be infected with coronavirus per os
true
125
13) Cattle can be infected with coronavirus by inhalation
true
126
14) Bovine coronavirus can infect humans
false
127
15) Bovine coronaviruses causes mainly respiratory and enteric diseases
true
128
16) Certain bovine coronaviruses can affect humans causing clinical signs
false
129
17) Coronaviruses mainly cause central nervous disease in cattle
false
130
18) Calves can be protected against coronavirus diarrhoea by vaccinations of pregnant cows
true
131
12) Mortality of calf enteral coronavirus is high
true
132
13) Bovine coronaviruses can cause diarrhoea only in calves up to one month of age
false
133
14) Coronavirus diarrhoea occurs in young calves between a few days and 3-4 weeks of age
true
134
15) Coronavirus dysentery in calves can be observed up to 3 weeks of age
true
135
16) Coronavirus can cause enteritis in calves typically on the first week of life.
true
136
17) Calf coronavirus diarrhoea is characterized by several respiratory signs
false
137
1) Mortality of calf respiratory coronavirus is high
false
138
2) Bovine coronaviruses may cause respiratory signs in calves
true
139
1) Winter diarrhoea mainly affects dairy herds
true
140
2) Bovine coronavirus can cause diarrhoea in adult animals
true
141
3) Coronaviruses cause winter diarrhoea in dairy cows with haemorrhagic access
true
142
4) There are no vaccines for the prevention of coronaviral diarrhoea in cattle
false
143
5) Winter dysentery causes symptoms in younger age (up to 6 months of age).
false
144
6) Coronaviruses cause winter diarrhoea in dairy cows
true
145
7) Surviving winter dysentery gives permanent protection only against homologous infection
true
146
1) Dogs have only one type of coronavirus
false
147
2) The canine coronavirus is a zoonotic agent
false
148
3) Canine coronavirus can always cause enteral disease
false
149
4) There is a vaccine against canine coronavirus
true
150
5) Canine coronavirus (CCOV-1) causes diarrhoea in young, susceptible dogs
true
151
6) Canine coronaviruses frequently cause encephalitis and hepatitis in puppies.
false
152
7) Canine alphacoronavirus type II may cause haemorrhagic disease in 1-2-month-old pups
true
153
8) Canine coronavirus are only present in North America
false
154
9) Canine coronavirus vaccines effectively protect from any Canine coronavirus infection.
false
155
10) CCoV-IIa infections are endemic worldwide
false
156
1) Canine enteral coronavirus and porcine coronavirus are genetically closely relative
false
157
2) Dog enteral coronavirus: some strains can cause haemorrhagic diseases in some visceral organs
true
158
3) Canine coronavirus-2 infections are characterized by haemorrhagic diarrhoea in puppies
true
159
4) There are no protective vaccines available against Canine enteric coronavirus.
false
160
1) Canine pantropic coronavirus is an agent of kennel cough
false
161
2) Canine pantropic coronavirus causes subnormal temperature
false
162
3) Canine pantropic coronaviruses damage only the mucous membranes
false
163
4) Canine pantropic coronaviruses causes high fever
true
164
5) Pantropic canine coronavirus infections are endemic worldwide.
false
165
6) Pantropic canine coronavirus causes a mild respiratory disease in suckling dogs.
false
166
1) The canine respiratory coronavirus belongs to a different group than enteral coronavirus
true
167
2) Canine respiratory coronavirus and human coronaviruses are genetically very distant relatives in all cases
false
168
3) Canine respiratory coronavirus and bovine coronaviruses are genetically closely relatives
true
169
4) Canine respiratory coronavirus infection results cross-protection against CCOV-I
false
170
5) In suckling dogs CCoV-II infection causes respiratory disease
false
171
6) Canine coronavirus is part of kennel cough.
true
172
1) The FIP is a pathotype of feline coronavirus
true
173
2) Almost all cat vaccines contain antibodies against FIP.
false
174
3) The wet form of FIP is II. type of hypersensitivity
false
175
4) The dry form of FIP is I. type of hypersensitivity
false
176
5) The dry form of FIP is IV. type of hypersensitivity
true
177
6) FIP is an incurable disease
true
178
7) FIP is caused by jackal coronavirus
false
179
8) FIP responds well to antibiotic treatment
false
180
9) Most animals infected with feline coronavirus develop FIP
false
181
10) Cats can be vaccinated against feline coronavirus, but protection against FIP is not effective
true
182
11) The dry form of FIP is I. type of hypersensitivity
false
183
12) The feline coronavirus causes viraemia only in FIP
false
184
13) The feline coronavirus is usually an enteric disease
true
185
14) The feline coronavirus is a zoonotic agent
false
186
15) Feline enteric coronavirus (FECOV) can only infect Felidae
true
187
16) Feline enteric coronaviruses may infect dogs
false
188
feline infectious peritonitis viruses form a single serotype
false
189
18) Feline enteric coronavirus infection usually causes sudden death of queens
false
190
19) In the background of FIP can be immunopathological processes
true
191
20) FIP causes infection only in cats younger than 1 year of age.
false
192
21) Feline corona virus does not have a long infection/carrier time
false
193
22) Feline infectious peritonitis (FIP) develops only in adult cats (over 1 year of age).
false
194
23) Decreased serum albumin/globulin ratio may indicate FIP
true
195
24) Feline enteric coronavirus usually causes severe, haemorrhagic enteritis in kittens
false
196
25) Cell-mediated hypersensitivity plays a major role in the background of non-effusive feline infectious peritonitis
true
197
26) All species of Felidae are susceptible to feline coronaviruses
true
198
27) Coronaviruses can cause asymptomatic infection in cats
true
199
28) Feline coronaviruses can cause mild watery diarrhoea.
true
200
29) Feline infectious peritonitis is an acute disease, it appears after a 2-3 days long incubation.
false
201
30) Feline coronavirus is a recombinant canine virus
true
202
31) Feline enteric coronavirus causes FIP in 5-10% of cases
true
203
32) FIP mainly infects with faeces
true
204
33) Feline enteric coronavirus (FECoV) can only infect Felidae
true
205
34) Effusive FIP is the result of a type 3 hypersensitivity reaction
true
206
35) Feline enteric coronavirus infection of cats is very common
true
207
36) Vaccine effectively protects from feline infectious peritonitis
false
208
37) Feline coronavirus has two serotypes, both having two pathotypes
true
209
38) FECoV infection usually causes acute haemorrhagic enteritis
false
210
39) The Feline enteric coronavirus usually does not cause severe enteritis
true
211
40) FIP forms because of immunotolerance
false
212
41) In the presence of high-titer antibody level, infectious peritonitis cannot develop in cats.
true, should be false
213
1) Avian coronaviruses provide long lasting yolk-immunity
false
214
1) Inactivated vaccine against IBV can be used any ages.
false
215
2) A clinical sign of IBV can be nephritis
true
216
3) IBV has nephropathogenic strains
true
217
4) Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age
true
218
5) The eggs are not infected infectious bronchitis virus
true
219
6) IBV, the most important route is the germinative route
false
220
7) IBV, have a wide range of serotypes including many variant strains
true
221
8) IBV, cause stunting growth when embryonated egg is infected
false
222
9) IBV is an arterivirus
false
223
10) Mortality of IBV is high every ages
false
224
11) Mortality of IBV depends on the coinfections
true
225
12) IBV causes swollen oviducts in chicken
true
226
13) Mortality of IBV depends on the age
true
227
14) IBV can cause soft-shelled egg
true
228
15) IBV cannot cause viraemia
false
229
16) The Infectious Bursitis Virus IBDV is inactivated within 1-2 days in the environment
false
230
17) Infectious bronchitis viruses belong into 3 distinct serotypes
false
231
18) Infectious bronchitis virus damages the ovaries only in hens
false
232
19) Infectious bronchitis virus can cause renal problems
true
233
20) Infectious bronchitis virus can cause inflammatory lesions in the oviduct of chicken
true
234
21) Infections bronchitis virus vaccines are used against turkey enteritis
false
235
22) Infectious bronchitis virus can cause severe respiratory signs in young chicken.
true
236
23) Infectious bronchitis virus can damage the oviduct
true
237
24) Infectious bronchitis can spread very slowly in the flock causing chronic disease
false
238
25) There are no vaccines for the prevention of infectious bronchitis of chicken
false
239
26) Infectious bronchitis virus of chicken is a uniform virus without any types of variants.
false
240
27) There is no germinative infection in the case of infectious bronchitis of chicken
true
241
28) Infectious bronchitis virus replicates in the epithelial cells of the trachea and bronchi.
true
242
29) Infectious bronchitis virus can result in damaged or abnormal shell formation.
true
243
30) Infectious bronchitis has a lot of serotypes
true
244
31) Infectious bronchitis viruses may have different organ tropism.
true
245
32) Germinative route is the most important in the transmission of infectious bronchitis
false
246
33) Inactivated vaccines can be used against infectious bronchitis
true
247
34) Attenuated vaccines can be used against infectious bronchitis
true
248
35) Infectious bronchitis viruses form 2 distinct serotypes
false
249
36) Infectious bronchitis viruses have a wide range of serotypes including many variants
true
250
37) The clinical signs of Infectious bronchitis and Newcastle disease may be similar
true
251
1) Coronavirus can cause diarrhoea in turkeys
true
252
2) Turkey corona virus does not cause strong diarrhoea and causes no necrosis
false
253
3) Turkey enteritis is characterized by age-dependent mortality rates
true
254
vaccination of turkey breeding flocks against Turkey enteritis virus is mandatory
false
