PQS - entrance exam [7] Flashcards
Myxomatosis virus is used as vector virus to produce bivalent vaccine protecting rabbits
against myxomatosis and rabbit haemorrhagic disease.
True
In cattle pseudocowpox lesions are usually mild and transient
True
The primary replication sites of foot and mouth disease are the lymph nodes
False
The main host (reservoir) of foot and mouth disease virus is swine
False
Pigs are infected with swine vesicular disease virus per os.
True
The foot and mouth disease virus is very sensitive to acidic pH
True
The African swine fever virus can be inactivated by 2%NaOH within 1 day
True
Swine shed foot and mouth disease virus for a shorter time than cattle.
True
Talfan disease occurs in any age groups
False
Vaccines are available to control Gumboro disease
True
Bursitis virus targets the premature B lymphocytes
True
Genetic reassortments may cause significant antigenic changes in reovirus strains
True
Birds serve as reservoirs for the Eastern equine encephalomyelitis virus
True
Clinical signs of Gumboro disease can be seen in chickens younger than 8 days
False
Losses due to rotavirus infection of young animals can be prevented by colostrum-feeding
True
The natural reservoirs of the African horse sickness virus are mainly zebras
True
Rotaviruses cause mainly respiratory signs in cattle
False
Oedemas and haemorrhages are the most frequent lesions in African horse sickness
True
Orthoreoviruses frequently cause tenosynovitis of horses
False
Classical swine fever virus strains are classified into several serotypes
False
Shedding of Classical swine fever virus starts 1 week after the infection
False
HA protein of influenza viruses is responsible for the attachment to the cell
True
The main host of inuenza is the swine
False
Nairobi sheep disease causes haemorrhagic enteritis in the infected animals
True
Classical swine fever infection during the first half of pregnancy results in the birth of
immunotolerant piglets
True
Louping ill is seen in cattle in North America
False
Classical swine fever infection during the first half of pregnancy can lead to abortion
True
Bovine parainuenza-3 virus can cause interstitial pneumonia in calves
True
Bovine RS virus can cause life threatening disease in calves
True
Canine distemper virus can produce a generalised infection
True
Rinderpest is a common disease in Africa
False
Inuenza causes high morbidity but low mortality in swine
True
The mortality of swine inuenza is high
False
Horse is susceptible to Hendra virus infection
True
Equine Viral Arteritis virus can infect by inhalation
True
Rabies virus can only be transmitted with bite
False
Drop of milk production is a clinical sign of ephemeral fever
True
Rabies virus is uniform without serotypes, genotypes etc
False
Infectious bronchitis virus causes tracheitis and pneumonia in chicken below 6 weeks of age
True
Retroviruses are generally host specific viruses
True
The antibodies against porcine respiratory coronavirus protect the pigs against TGE
True
By slaughtering seropositive animals, ovine pulmonary adenomatosis can be eradicated
False
Proventricular dilatation disease can occur in parrots
True
Interstitial pneumonia is the main postmortem lesion of visna
False
Borna disease occurs only in horses
False
Maedi and visna are caused by the same virus species.
True
Feline leukosis virus can cause horizontal and vertical infection
True
B-lymphocytes are the targets of enzootic bovine leukosis virus
True
Teeth grinding can be a clinical sign of pulpy kidney disease
True
Anaculture or anatoxin vaccines are used for the prevention of malignant oedema
True
Itching is a frequent sign of scrapie
True
Bradsot is caused by Clostridium chauvoei
False
Lamb dysentery is generally seen in weaned lambs
False
Anthrax is frequently a peracute disease in cattle
True
Bradsot occurs mainly in tropical and subtropical countries
False
Sheep are generally infected with the agent of swine erysipelas per os
False
The agent of erysipelas is carried by asymptomatic pigs in the tonsils
True
Vesicles are formed in the case of exudative dermatitis
True
Malignant oedema is caused by Clostridium chauvoei
False
The toxin of Clostridium botulinum has irreversible effect
True
Porcine streptococcosis is treated with penicillins
True
Rabbit staphylococcosis is mainly seen in weaned and young rabbits
True
False positive reactions of the tuberculin test in cattle can be caused by infection with certain
Corynebacterium species.
True
The intradermal tuberculin test is negative if the increase of the thickness of the skin is 4.2
mm and there are no local lesions or signs
False
The tuberculin test in cattle can be false negative if only short time (1-3 weeks) has passed
since the infection
True
The intradermal tuberculin test is negative if the increase of the thickness of the skin is 1.8
mm and there are no local lesions or signs
True
Clinical signs of caseous lymphadenitis can only be seen in sheep.
False
Caseous lymphadenitis of sheep is caused by Corynebacterium pseudotuberculosis
True
Mycobacterium tuberculosis can cause generalised tuberculosis in pigs
True
Calves are vaccinated with inactivated vaccines in order to prevent coli septicaemia
False
Oedema disease occurs most frequently in calves
False
Nocardia bacteria can cause inflammation of lymphatic vessels
True
Germinative infection does not occur in the case of E. coli diseases of poultry
False
Cattle are infected with nocardia bacteria from the soil
True
Neonatal coli diarrhoea of piglets is seen typically in 1-10-day-old animals
True
Actinomyces hordeovulneris can cause actinomycosis of dogs
True
The agent of swine typhoid can cause focal inammation and necrosis in the parenchymal
organs.
True
Abortion is the main clinical form of human salmonellosis
False
Arthritis can be a clinical sign of bovine salmonellosis
True
Fowl paratyphoid is limited to the gut, there is no septicaemia
False
Salmonella Choleraesuis can cause swine paratyphoid
True
Mucoid and watery diarrhoea are typical in the case of coli-diarrhoea of rabbits
True
Lesions of swine typhoid are in the large intestine
True
Mannheimia haemolytica can cause respiratory pasteurellosis of calves
True
Germinative infection is a common way of transmission of the agent of ornithobacteriosis
False
Arthritis can be a clinical sign of ovine pasteurellosis
True
Overcrowding is a predisposing factor of respiratory pasteurellosis of cattle
True
Otitis media can be a clinical sign of rabbit pasteurellosis
True
The most severe form of fowl cholera occurs in day-old birds
False
Fusobacterium necrophorum subsp. necrophorum is the causative agent of necrobacillosis.
True
Orchitis is a frequent clinical sign of contagious equine metritis
False
Histophilus ovis can cause pneumonia in cattle
True
Abortion is a clinical sign of bovine brucellosis
True
IBR and PI-3 virus can predispose cattle to disease caused by Histophilus ovis
True
Focal inflammation and necrosis in the liver is a common postmortem lesion on of fowl
cholera
True
Infectious coryza occurs in chicken, turkey, and waterfowl
False
High fever is a clinical sign of actinobacillus pleuropneumonia of swine
True
Brucella canis can infect humans
True
Brucella melitensis can cause abortion of cattle
True
The agent of tularaemia can be transmitted by ticks
True
Tularaemia is a zoonosis
True
The reservoir host of the agent of tularaemia is the hare
True
Brucella suis can colonise the udder of cattle
True
Infected cattle carry brucellae lifelong
True
Glanders occurs only in horses
False
Humans are susceptible to the agent of glanders
True
Bordetella bronchiseptica can complicate distemper
True
Bordetella bronchiseptica can complicate calicivirus infection of cats
True
Granulomas in the skin are frequent clinical signs of glanders
True
The causative agent of avian bordetellosis is Bordetella bronchiseptica
False
Infection with the agent of glanders can be detected using the mallein test
True
Campylobacters are microaerophilic bacteria
True
Swine dysentery can mainly be seen in suckling piglets
False
Spirochaetes are resistant bacteria
False
Campylobacter fetus subsp. fetus can cause bacteriaemia, septicaemia is small ruminants
True
Regional ileitis is a form of proliferative enteropathies
True
Salpingitis can be seen in the case of bovine genital campylobacteriosis
True
Introduction of young ewes in their first pregnancy into the flock of old pregnant ewes can
predispose to campylobacteriosis
True
Leptospirosis of young dogs is manly caused by Leptospira Canis
False
Haemorrhages under the serous membranes are typical postmortem lesions of swine
dysentery
False
Focal inflammation and necrosis can be seen in the liver in the case of swine dysentery
False
Abortion can be a clinical sign of bovine leptospirosis
True
Set of foetuses can be seen in the case abortion of sows caused by Leptospira bacteria
True
Leptospirosis can be an acute disease in calves
True
Diarrhoea is a frequent clinical sign of bovine leptospirosis
False
Q-fever is caused by Coxiella bovis
False
The resistance of the agent of Q-fever is low, it cannot survive in the environment
False
The agent of Q-fever is transmitted by ticks
True
Fibrinous pneumonia is a postmortem lesion of heartwater
False
Contagious agalactia of sheep and goats is caused by Mycoplasma agalactiae
True
Contagious bovine pleuropneumonia cannot be prevented by vaccination
False
Contagious bovine pleuropneumonia is caused by Mycoplasma mycoides subsp. mycoides
True
Mycobacteria are acid and alcohol fast bacteria
True
Mycobacteria are facultative intracellular bacteria
True
Cough is a typical clinical sign of bovine pulmonary tuberculosis
True
Giant cells typically occur in tubercles
True
The thermal tuberculin test can be used in order to examine the
organic reaction of bovine tuberculosis
True
Paratuberculosis is caused by Mycobacterium avium subsp.
paratuberculosis.
True
The agent of avian tuberculosis infects animals generally per os
True
The tuberculin test in cattle can be false negative if only short time (1- 3 weeks) has passed since the infection
True
The agent of paratuberculosis is a facultative intracellular bacterium
True
Mycobacterium avium subsp. avium causes tuberculosis in humans
False
Actinomyces bovis is the causative agent of bovine actinomycosis
True
Fusobacterium necrophorum subsp. necrophorum causes
necrobacillosis
True
The causative agent of foot rot is Dichelobacter nodosus
True
main virulence factors of Dichelobacter nodosus are toxins
False
Foot rot occurs only in sheep
False
Calves are vaccinated with inactivated vaccines in order to prevent coli septicaemia
False
Nocardia are Gram-positive branching filaments
True
Examination of skin scraping under the microscope is important diagnostic method for the diagnosis of dermatophilosis
True
Rhodococcus equi causes mainly metritis and urinary tract infections
False
Dermatophilus congolensis is mainly a human pathogen
False
Oedema disease generally occurs 1-2 weeks after weaning
True
There is widespread vaccination for the prevention of oedema
disease
False
Air sacculitis is common in the case of E. coli disease of poultry
False
E. coli O157:H7 strains can cause haemorrhagic enteritis in cattle
False
Omphalitis is a frequent sign of Escherichia coli disease of day-old chicken
True
Salmonellosis of cattle occurs mainly in day-old calves
False
Faeces of asymptomatic cattle can be the source of infection with zoonotic Escherichia coli strains.
True
Arthritis can be a clinical sign of bovine salmonellosis
True
Enterotoxigenic Escherichia coli strains are responsible for oedema disease
False
Cattle shed salmonellae in the faeces
True
Inflammation of the small intestine is a postmortem lesion of swine paratyphoid
True
Swine typhoid occurs in endemic herds above 3 months of age
True
Necrotic enterocolitis is a postmortem lesion of of typhocolitis of swine.
True
Vaccination is not recommended for the prevention of swine typhoid
True
Swine paratyphoid is mainly seen in suckling piglets
False
Salmonella Typhimurium can infect humans
True
Fowl typhoid is caused by Salmonella Avium
False
Fowl typhoid can be seen sporadically in zoo birds in Europe
True
Omphalitis is a clinical sign of fowl typhoid
True
Salmonella Avium is the main aetiological agent of fowl paratyphoid
False
Fruits and vegetables can be the source of human infection by
yersiniae.
True
Haemorrhagic septicaemia of cattle is generally a chronic disease
False
Capsule can be virulence factor of Pasteurella multocida
True
Yersinia enterocolitica generally infects hosts per os
True
Primary pasteurellosis diseases are caused by obligate pathogenic Pasteurella bacteria.
False
Ewes have to be culled after mastitis caused by Mannheimia
haemolytica because the udder cannot regenerate
False
Inactivated vaccines can be used for the prevention of ovine
pasteurellosis.
True
Respiratory viruses can predispose sheep to pasteurellosis
True
Acute systemic pasteurellosis occurs mainly among 3-12 months old
lambs.
False
Acute systemic pasteurellosis is caused by Pasteurella multocida
False
The mortality of fowl cholera is low
False
Rabbit pasteurellosis is a generalised disease
True
The block of the lachrymal channel is a clinical sign of atrophic rhinitis
True
Pasteurella multocida can infect humans
True
The dermonecrotoxin of Pasteurella multocida damages the osteoclast cells
False
Asymptomatic carriage of Pasteurella multocida can occur in birds
True
Per os antibiotic treatment must be used in the case of fowl cholera
True
Deformation of the eggshell can be seen in the case of
ornithobacteriosis.
True
Antibiotics cannot be used for the treatment of fowl cholera
False
Brucellosis is generally a notifiable disease
True
In case of brucellosis our aim is eradication and maintain the disease free
status
True
Brucella abortus can cause necrosis in the chorionic villi of pregnant cattle.
True
ABR test can detect antibodies against Brucella abortus in milk
True
Wild boars and wild hares can serve as reservoir species of swine brucellosis.
True
Herd replacement is the only way of eradication of porcine
brucellosis.
True
Cattle can be asymptomatic carriers of brucellae
True
Brucella ovis can infect bulls and can cause epididymitis and orchitis
False
Undulant fever, malaise, inappetence, fatigue, and muscle and joint pains can be the clinical sings of human brucellosis.
True
