PQS - entrance exam [3] Flashcards by Hege Osland

Because of endothelial damage Classical swine fever results in haemorrhages.

True

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Goats are more resistant to the bluetongue than sheep.

True

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The natural reservoirs of the African horse sickness virus are mainly zebras.

True

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Orthoreoviruses frequently cause tenosynovitis of horses.

False

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Acute form of African horse sickness occurs mainly in zebras and horses.

False

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Orthoreoviruses can cause tenosynovitis in pigs.

False

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Akabane virus causes foetal damages in dogs.

False

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The main host of influenza is the swine.

False

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During necropsy of acute Classical swine fever cases, haemorrhages can be seen in the gastric
mucosa.

True

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Non-cytopathic strains of the Bovine viral diarrhoea virus (BVDV) can’t cause transplacental
infection.

False

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Influenza viruses are classified into genera by their HA and NA proteins.

False

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Canine distemper virus has one serotype with virulence-variants

True

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Bovine RS virus can cause severe pneumonia in 6 months to 2 years old calves

True

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Paramyxoviruses are bad immunogens

False

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Antigenic shift means the reassortment of the infuenzavirus genome segments

True

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Salivation and chewing movements cannot be clinical signs of canine distemper

False

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Hendra virus can infect mainly swine and human

False

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Canine distemper virus can produce a generalised infection

True

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Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age

True

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Retroviruses are enveloped, their resistance is low

True

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Retroviruses are generally host specific viruses

True

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Vesicular stomatitis virus does not cause viraemia only local lesions

False

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The mortality of vesicular stomatitis is low

True

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Rabies virus is shed in the viraemic phase of the disease

False

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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