PQS - entrance exam [3] Flashcards
Because of endothelial damage Classical swine fever results in haemorrhages.
True
Goats are more resistant to the bluetongue than sheep.
True
The natural reservoirs of the African horse sickness virus are mainly zebras.
True
Orthoreoviruses frequently cause tenosynovitis of horses.
False
Acute form of African horse sickness occurs mainly in zebras and horses.
False
Orthoreoviruses can cause tenosynovitis in pigs.
False
Akabane virus causes foetal damages in dogs.
False
The main host of influenza is the swine.
False
During necropsy of acute Classical swine fever cases, haemorrhages can be seen in the gastric
mucosa.
True
Non-cytopathic strains of the Bovine viral diarrhoea virus (BVDV) can’t cause transplacental
infection.
False
Influenza viruses are classified into genera by their HA and NA proteins.
False
Canine distemper virus has one serotype with virulence-variants
True
Bovine RS virus can cause severe pneumonia in 6 months to 2 years old calves
True
Paramyxoviruses are bad immunogens
False
Antigenic shift means the reassortment of the infuenzavirus genome segments
True
Salivation and chewing movements cannot be clinical signs of canine distemper
False
Hendra virus can infect mainly swine and human
False
Canine distemper virus can produce a generalised infection
True
Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age
True
Retroviruses are enveloped, their resistance is low
True
Retroviruses are generally host specific viruses
True
Vesicular stomatitis virus does not cause viraemia only local lesions
False
The mortality of vesicular stomatitis is low
True
Rabies virus is shed in the viraemic phase of the disease
False
The clinical signs of PRRS can be abortion like SMEDI
True
Borna disease occurs only in horses
False
By slaughtering seropositive animals, ovine pulmonary adenomatosis can be eradicated
False
Ovine pulmonary adenomatosis virus is transmitted with tracheal discharge
True
Fever is a major clinical sign of equine infectious anaemia
True
Sheep are resistant against caprine arthritis-encephalitis virus
False
Lymphoid leukosis is the most frequent clinical form of avian leukosis
True
Maedi and visna are caused by the same virus species
True
Tetanus is seen only in horses
False
The incubation of BSE is 3-5 years
True
Lesions of malignant oedema are mainly seen in the large muscles
True
Anaculture or anatoxin vaccines are used for the prevention of malignant oedema
True
Scrapie prion is shed in discharges of the infected animals
True
In the case of transmissible encephalopathies meningoencephalitis is a typical postmortem
lesion
False
Bradsot is caused by Clostridium chauvoei.
False
Diarrhoea is a frequent clinical sign of listeriosis in sheep
False
Sheep are generally infected with the agent of swine erysipelas per os
False
Fibrinous pneumonia can frequently occur in the case of swine erysipelas
False
Listeria bacteria can be found in the soil
True
Clinical signs of porcine streptococcosis can mainly be seen in piglets
True
The toxin of Clostridium botulinum has irreversible e!ect
True
Penicillin is recommended for the treatment of acute swine erysipelas
True
Caseous lymphadenitis of sheep can be diagnosed using microscopy
True
The tuberculin test in cattle can be false negative if the animal is infected with facultative
pathogenic mycobacteria
False
The thermal tuberculin test can be used in order to examine the organic reaction of bovine
tuberculosis
True
False positive reactions of the tuberculin test in cattle can be caused by infection with
facultative pathogenic mycobacteria.
True
Tuberculosis lesions in the lymph node are common in the early generalisation
True
Infected cattle shed the agents of bovine tuberculosis in tracheal discharge
True
Cough is a typical clinical sign of bovine pulmonary tuberculosis
True
Respiratory distress is a clinical sign of canine actinomycosis
True
Coli diarrhoea of new-born piglets is caused by fimbriated Escherichia coli strains
True
The agent of paratuberculosis is shed in the faeces
True
Oedema disease occurs most frequently in calves
False
Omphalitis is a frequent sign of Escherichia coli disease of day-old chicken
True
Calves are vaccinated with inactivated vaccines in order to prevent coli septicaemia
False
High fever is a typical clinical sign of bovine coli-septicaemia
True
Rodents and birds can infect cattle with salmonellae
True
Bovine salmonellosis is always limited to the gut
False
Fowl paratyphoid is limited to the gut, there is no septicaemia
False
Salmonellosis can cause septicaemia in sheep
True
Fever is a common clinical sign of swine paratyphoid.
True
Transportation of animals can predispose cattle to salmonellosis
True
Some viral infections can predispose animals to fowl paratyphoid
True
Pasteurella multocida can cause pasteurellosis in cattle
True
Respiratory pasteurellosis occurs only among cattle above 6 months of age
False
Pasteurella bovis can cause pasteurellosis in cattle.
False
Yersinia pseudotuberculosis can cause disease in hares
True
Overcrowding can predispose animals to ornithobacteriosis
True
Mannheimia haemolytica causes rabbit pasteurellosis
False
Overcrowding is a predisposing factor of respiratory pasteurellosis of cattle
True
Infectious coryza is a generalised disease
False
Infectious coryza occurs in chicken, turkey, and waterfowl
False
Histophilus ovis can cause mainly pneumonia in sheep
False
Histophilus ovis can cause pneumonia in cattle
True
Brucella ovis mainly causes abortion, clinical signs in males are rare
False
Mainly attenuated vaccines are used for the prevention of actinobacillus pleuropneumonia of
swine.
False
Focal in$ammation and necrosis in the liver is a common postmortem lesion on of fowl
cholera.
True
Herd replacement is the only way of eradication of porcine brucellosis
True
Bordetella bronchiseptica can cause disease only in pigs
False
Tularaemia is a zoonosis
True
Brucella canis is shed in the semen
True
Clinical signs of tularaemia are mainly seen in cattle
False
Clinical signs of tularaemia are mainly seen in cattle
True
Brucella canis cannot cause abortion in dogs, it causes only orchitis in males
False
Ulcers in the skin are frequent clinical signs of glanders
True
There are no vaccines for the prevention of infectious bovine keratoconjunctivitis
False
The causative agent of avian bordetellosis is Bordetella bronchiseptica
False
Granulomas in the skin are frequent clinical signs of glanders
True
Glanders is caused by Burkholderia mallei
True
Susceptible animals are mainly infected per os with the agent of glanders
True
Glanders occurs only in horses
False
Rabbit syphilis is a zoonosis
False
Intestinal adenomatosis is a form of proliferative enteropathies
True
Lyme borreliosis is transmitted by mosquitoes
False
Campylobacters are microaerophilic bacteria
True
Lyme borreliosis is frequently asymptomatic in animals
True
Regional ileitis is a form of proliferative enteropathies
True
Campylobacter jejuni frequently causes severe diarrhoea and losses in poultry
False
Diarrhoea is a frequent clinical sign of bovine leptospirosis.
False
The lesions of swine dysentery can be seen in the large intestine
True
Abortion can be a clinical sign of bovine leptospirosis
True
Attenuated vaccines are widely used for the prevention of swine dysentery
False
Pneumonia is a frequent clinical sign of bovine leptospirosis
False
Leptospirosis of suckling piglets is a frequent acute disease
False
The agent of swine dysentery can cause disease in humans
False
Mycoplasma bovis can cause reproduction problems in cattle
True
Abortion caused by chlamydia can be diagnosed by microscopic examination
True
Contagious agalactia of sheep and goats is caused by Mycoplasma agalactiae
True
Chlamydia abortus can cause abortion of ewes
True
Eperythrozoonosis of sheep and goats is caused by Mycoplasma ovis
True
Anaemia is a clinical sign of bovine anaplasmosis
True
Resistance of mycoplasmas is good; they can survive in the environment for several months
False
Germinative infection is very frequent in mammals
False
The method of vaccination has no effect on the efficacy of the vaccination
False
Arthropod borne infections are direct infections
False
Euryxen agents have a wide host range.
True
Enteral lymphocytes of the dam can be transferred to the o!spring in the
colostrum
True
Formation of immune complexes can be a consequence of persistent viral
infection.
True
SMEDI is caused by goose circovirus
False
DNS is a type IV hypersensitivity reaction.
False
Ascites can be a clinical sign of Derzsy’s disease
True
Vaccination against canine parvovirus 2 depends on maternal antibodies
True
If 100-day-old swine foetuses are infected with parvovirus, respiratory clinical signs
can be seen.
False
SMEDI is caused by goose circovirus
False
Adenoviruses can cause purulent bronchoalveolar pneumonia in calves and lambs
False
No long-term carrier stage is seen in canine adenovirus serotype 1 infections.
False
Herpesviruses are resistant to detergents.
False
Bovine adenoviruses are endemic in the majority of large-scale cattle stocks
True
Adenoviral pneumoenteritis is rarely fatal in calves and lambs
True
Dogs carry the canine adenovirus in the kidneys for several months
True
In cattle, cowpox lesions are usually seen on the teats
True
The Aujeszky’s disease virus may infect multiple mammalian hosts
True
Felid herpesvirus does not cause respiratory signs, only viraemia and abortion.
False
Pigs infected with wild type Aujeszky’s disease virus can be differentiated from
vaccinated ones by serological tests (i.e. gE ELISA).
True
Canid herpesvirus infection can cause abortion
True
Swine pox is usually an indicator of poor keeping conditions
True
Lumpy skin disease is caused by parapox viruses
False
The pseudocowpox virus is a zoonotic agent.
True
Calves should be vaccinated against bovine papular stomatitis
False
Sheep pox is a generalized disease with fever
True
Serological cross-protectivity exists between certain poxvirus species but only
within genus.
True
Swinepox virus can cause respiratory signs and abortion
False
The virus of Teschen disease is shed in the faeces for several weeks after infection
True
Flaccid paralysis is a typical clinical sign of Talfan disease
True
The resistance of swine vesicular disease virus is very low; it cannot survive in the
environment.
False
The foot and mouth disease virus can retain its infectivity in dried milk for months
True
The clinical signs of Talfan disease are more severe than that of Teschen disease.
False
Spasmodical paddling is a frequent clinical sign of duck hepatitis
True
Only chickens are susceptible to avian nephritis virus
True
Vaccination of horses in the Americas is used to prevent togavirus infections
True
Both serotypes of bursitis virus are pathogenic.
False
Togavirus infection in horses results in hepatitis
False
Watery diarrhoea is a typical clinical sign of Gumboro disease
True
The avian hepatitis E causes drop in egg production.
True
Because of endothelial damage Classical swine fever results in haemorrhages
True
Avian orthoreoviruses can cause inapparent infection in poultry
True
Vaccination against bluetongue results serotype specific immunity
True
Mammalian orthoreoviruses can cause pneumoenteritis only in suckling animals
False
Lameness and abortions are signs of bluetongue
True
Losses due to rotavirus infection of young animals can be prevented by colostrum-
feeding.
True
Normal sized spleen can be observed in uncomplicated cases of subacute Classical
swine fever.
True
The boutons in the intestines are characteristic lesions in subacute Classical swine
fever.
True
The border disease virus frequently causes encephalitis in ewes
False
In acute Classical swine fever skin haemorrhages and bloody nasal discharge can
be observed.
True
During necropsy of acute Classical swine fever cases, haemorrhages can be seen in
the gastric mucosa.
True
Nairobi sheep disease causes a generalized infection in the animals
True
Pigs infected with BVDV turn seropositive to classical swine fever
True
Bovine parain$uenza virus causes central nervous clinical signs in calves
False
In poultry farms LPAI may be endemic without clinical signs
True
Peste des petit ruminants is a frequently diagnosed disease in America.
False
Bovine RS virus causes low morbidity and high mortality
False
Bovine RS virus can cause life threatening disease in calves
True
Influenzaviruses are sensitive to drying out
True
Eurasia is free from Newcastle disease
False
Bovine coronavirus is generally spreading in summer
False
The antibodies against porcine respiratory coronavirus protect the pigs against
TGE.
True
Vesicular stomatitis virus can cause clinical signs in horses
True
The antibodies against porcine respiratory coronavirus protect the pigs against
porcine epidemic diarrhoea virus
False
Vesicular stomatitis is a zoonotic disease
True
Rabies virus is shed in the viraemic phase of the disease
False
Rabies virus is spreading along the nerves
True
Nasal discharge is frequently seen in the case of ovine pulmonary adenomatosis
True
Feline leukosis is maintained by persistently infected cats
True
Retroviruses are euryxemic agents
False
Avian leukosis viruses have several subgroups
True
Feline leukosis virus can cause horizontal and vertical infection
True
Proventricular dilatation disease is a zoonosis
False
All avian leukosis viruses are oncogenic
True
Classical swine fever is a frequent predisposing factor of bradsot
False
Malignant oedema is generally a consequence of wound infection
True
Anthrax is a chronic disease in ruminants.
False
Bradsot occurs mainly in tropical and subtropical countries.
False
The EU is free from scrapie
False
Oedema factor is a virulence factor of the agent of anthrax
True
Bacillus anthracis cannot produce spores in the infected animals
True
Abscessation of the lymph nodes is a clinical sign of strangles
True
Listeriosis is a zoonosis.
True
Listeria ovis is the agent of listeriosis.
False
Warm weather is a predisposing factor of swine erysipelas
True
