Midterm 4 (2) Flashcards by Henriette Wisnes

Yersinia enterocolitica can infect only swine

False

How well did you know this?

Not at all

Perfectly

Some Yersinia enterocolitica strains cross react with Brucella in serological tests

True

How well did you know this?

Not at all

Perfectly

Yersinia enterocolitica can infect animals per os

True

How well did you know this?

Not at all

Perfectly

Y ersinia enterocolitica is a zoonotic agent

True

How well did you know this?

Not at all

Perfectly

Calf diphtheria is caused by Fusobacterium necrophorum

True

How well did you know this?

Not at all

Perfectly

Respiratory virus infections can predispose animals to calf diphtheria

True

How well did you know this?

Not at all

Perfectly

Diarrhea is a typical clinical sign of calf diphtheria

False

How well did you know this?

Not at all

Perfectly

Antibiotics cannot be used for the treatment of calf diphtheria, because of the resistance of the agent

False

How well did you know this?

Not at all

Perfectly

Mannheimia haemolytica can cause pneumonia in sheep

True

How well did you know this?

Not at all

Perfectly

Mannheimia haemolytica can cause acute systemic pasteurellosis in sheep

False

How well did you know this?

Not at all

Perfectly

Mannheimia haemolytica can produce dermonecrotoxin

False

How well did you know this?

Not at all

Perfectly

Mannheimia haemolytica can cause septicemia in suckling lambs

True

How well did you know this?

Not at all

Perfectly

Fowl cholera is typically seen in day-old birds

False

How well did you know this?

Not at all

Perfectly

Germinative infection is important in the epidemiology of fowl cholera

False

How well did you know this?

Not at all

Perfectly

Fowl cholera is a septicemic disease

True

How well did you know this?

Not at all

Perfectly

Arthritis can be a clinical sign of fowl cholera

True

How well did you know this?

Not at all

Perfectly

Anatipestifer disease occurs in water fowl

True

How well did you know this?

Not at all

Perfectly

Anatipestifer disease occurs in day-old birds

True

How well did you know this?

Not at all

Perfectly

There is septicemia in the case of Anatipestifer disease

True

How well did you know this?

Not at all

Perfectly

CNS clinical signs can be seen in the case of Anatipestifer disease

True

How well did you know this?

Not at all

Perfectly

Glässer’s disease is mainly seen in finishing pigs

False

How well did you know this?

Not at all

Perfectly

Arthritis is a clinical sign of Glässer’s disease

True

How well did you know this?

Not at all

Perfectly

Meningitis occurs in the case of Glässer’s disease

True

How well did you know this?

Not at all

Perfectly

Glässer’s disease cannot be prevented with using vaccine

False

How well did you know this?

Not at all

Perfectly

Contagious equine metritis is caused by Taylorella equigenitalis

True

Contagious equine metritis is seen in cattle, too

False

Large amount of vaginal discharge is a common clinical sign of contagious equine metritis

True

Orchitis is a common clinical sign of contagious equine metritis in males

False

All of the Brucella species are zoonotic agents

False

ABR test is a human serological test for the detection of antibodies in human blood serum sample

False

Vaccination is a regularly used prevention method in the brucellosis free countries of EU

False

Abortion is a frequently seen clinical sign of bovine brucellosis

True

In the case of a same serum sample it is advisable to carry out more serological tests for the detection of antibodies against Brucella species, because different serological tests can show different results

True

Brucella ovis can cause epididymitis and orchitis also in men

False

Rev I. is an inactivated vaccine strain

False

Icterus is a frequently seen clinical signs of bovine brucellosis

False

Scrotal dermatitis is a frequently seen clinical sign of canine brucellosis

True

Serological tests are frequently used methods in the diagnosis of bovine brucellosis

True

False positive or false negative reactions can be seen in the serological tests in the serodiagnostics brucellosis

True

Brucella melitensis is an obligate pathogenic bacterium in sheep and goat

True

Mycobacteria have several shared antigens

True

The cell wall of mycobacteria contains mycolic acid

True

The tuberculin contains lipopolysaccharide (LPS) antigens

False

Mycobacteria can replicate only in animals

True

Mycobacterium tuberculosis causes tuberculosis in humans

True

Mycobacterium tuberculosis causes tuberculosis in parrots

True

Mycobacterium tuberculosis causes generalized tuberculosis in badgers

False

Mycobacterium tuberculosis causes tuberculosis in poultry

False

If the increase of thickness of the skin fold in the tuberculin test is 4.1 mm, the reaction is inconclusive

False

At the exhaust phase of tuberculosis, the tuberculin test can be false negative because of energy

True

Facultative pathogenic mycobacteria can result false negative tuberculin reaction

False

Parallergy lasts lifelong in the case of cattle

False

Wooden tongue is caused by Actinomyces bovis in cattle

False

Nocardia asteroides can cause mastitis in cattle

True

Treatment of dermatophilosis is based on antifungal agents

False

Rhodococcus equi can cause pneumonia and lymphadenitis in 6 to 18 months-old foals

False

Edema disease of pigs is caused by enterotoxigenic E. coli strains

False

Edema disease of pigs occurs generally 1-2 weeks after weaning

True

Severe diarrhea is a typical clinical sign of edema disease

False

Clinical cases of edema disease can be successfully treated with parenteral penicillin injections

False

E. coli can cause embryonic death in poultry

True

E. coli can cause septicemia in day-old chicken

True

E. coli can frequently cause air sacculitis in grower chicken

True

E. coli disease of poultry is zoonotic

False

Salmonella Paratyphi can cause salmonellosis of calves

False

Salmonellosis of calves typically occurs in 2-6-week-old animals

True

Fever is a common clinical sign of salmonellosis of calves

True

Salmonellosis does not occur in sheep

False

Salmonella typhimurium can cause typhlocolitis in swine

True

The lesions of typhlocolitis can be seen in the small intestines

False

Watery diarrhea is a clinical sign of typhlocolitis of swine

True

Antibiotic treatment can be used in the case of typhlocolitis of swine

True

Germinative infection is important in the epidemiology of fowl typhoid

True

Salmonella gallinarum/pollorum is the causative agent of fowl typhoid

True

No post mortem lesions can be seen in the case of fowl typhoid

False

After recovery from fowl typhoid the animals do not remain carriers

False

Salmonella Infantis is most frequent serotype in the case of asymptomatic carriage in poulty

True

Salmonella reduction programs aim the reduction only for S. Enteritidis and S. Typhimurium in breeding poultry flocks

False

Salmonella reduction programs aim the reduction only for S. enteritidis and S. typhimurium in broiler flocks

True

In the salmonella reduction programs ELISA tests are used to recognize the carrier animals

False

Mycobacteria are intracellular bacteria

True

All mycobacteria can replicate in the environment

False

The resistance of mycobacteria is very low

False

The cell wall of mycobacteria contains waxes

True

Mycobacterium bovis can cause tuberculosis only in cattle

False

Mycobacterium caprae can cause tuberculosis only in goats

False

Mycobacterium bovis can cause tuberculosis in wild living ruminants

True

Mycobacterium bovis can cause tuberculosis in wild boars

True

The primary complex in the case of bovine tuberculosis can be found mainly in the respiratory tract

True

Giant cells can be found typically in the tubercles

True

If the increase of the thickness of the skin fold in the tuberculin test is 1.9 mm the reaction is positive

False

The skin intradermal tuberculin test is a Type IV. hypersensitivity reaction

True

Clinical signs and pathological findings of canine actinomycosis and nocardiosis are generalised

False

Nocardia asteroides can cause granulomatous lesions of tissues under the skin in cattle

False

The most susceptible animal species which shows clinical signs of dermatophilosis is the dog

False

Rhodococcus equi mainly causes CNS clinical signs in 1-4-month-old foals

False

Coli diarrhea of calves typically occurs after weaning

False

Coli diarrhea of calves is caused by enterotoxigenic E. coli strains

True

High fever is a typical clinical sign of coli diarrhea of calves

False

There are no vaccines for the prevention of coli diarrhea

False

E. coli diarrhea in rabbits can be seen mainly in suckling rabbits

False

Enterotoxigenic E. coli strains are the causative agents of E. coli diarrhea in rabbits

False

Decreased fiber content of the food can predispose rabbits to E. coli diarrhea

True

There is widespread vaccination in order to prevent E. coli diarrhea in rabbits

False

Salmonella Typhimurium can cause acute salmonellosis in foals

True

Mixing of animals is a predisposing factor of acute salmonellosis in foals

True

Salmonellosis of horses occurs only in acute form

False

Arthritis can be a clinical sign of salmonellosis of horses

True

Only Salmonella Typhimurium can cause swine paratyphoid

Flase

Swine paratyphoid is an acute generalized disease

True

High fever is a clinical sign of swine paratyphoid

True

Antibiotics are not used for the treatment of swine paratyphoid

False

Salmonella Enteritidis can cause fowl paratyphoid

True

Fowl paratyphoid occurs typically in 2-5 months old poultry

False

Germinative infection does not occur in the case of fowl paratyphoid

False

There are no vaccines to prevent fowl paratyphoid

False

All salmonella serotypes are zoonotic

False

Age can be a predisposing factor in human salmonellosis

True

Gastroenteritis is the most common form of human salmonellosis

True

Human salmonellosis is always limited to the gastrointestinal tract

False

Y ersinia pseudotuberculosis can infect rodents

True

Y ersinia pseudotuberculosis can colonize the gut

True

Yersinia pseudotuberculosis cause tuberculosis in wild living animals

False

Yersinia pseudotuberculosis is a zoonotic agent

True

The main agent of foot rot is Dichelobacter nodosus

True

Foot rot is more severe in goat than sheep

False

Keratinase is an important virulence factor of the agent of foot rot

True

There is no vaccine for the prevention of foot rot

False

Dermonecrotoxin producing Pasteurella multocida strains cause the severe lesions of atrophic rhinitis

True

The effects of the dermonecrotoxin produced by Pasteurella multocida are reversible

False

Block of the lacrimal channel is a clinical sign of atrophic rhinitis

True

Suckling piglets have to be vaccinated in order to prevent atrophic rhinitis

False

Pasteurellosis is common in suckling rabbits

False

The poor quality of the air can predispose to rabbit pasteurellosis

True

Nasal discharge is a typical clinical sign of rabbit pasteurellosis

True

Purulent bronchopneumonia is a frequent post mortem lesion of rabbit pasteurellosis

True

Some virus infections can predispose animals to disease caused by Ornithobacterium rhinotracheale

True

Germinative infection is important in the case of Ornithobacterium rhinotracheale

False

Ornithobacterium rhinotracheale can cause disease mainly in water fowl

False

Accumulation of mucous in the trachea is a typical post mortem lesion of the disease caused by Ornithobacterium rhinotracheale

True

Only pigs are susceptible to Actinobacillus pleuropneumonia

True

Fever is a typical sign of Actinobacillus pleuropneumonia of pigs

True

Fibrinous pleuritis is a post mortem lesion of Actinobacillus pleuropneumonia of pigs

True

Fibrinous pneumonia is a post mortem lesion of Actinobacillus pleuropneumonia of pigs

False

Haemophilus somni can cause pneumonia in calves

True

Haemophilus somni can cause CNS clinical signs in cattle

True

Haemophilus somni can frequently cause pneumonia in sheep

False

Haemophilus somni can cause epididymitis and orchitis in young rams

True

Brucella species are widely distributed all over the planet Earth

True

Hemoculture is a good diagnostic tool in the diagnostic work of canine brucellosis

True

Brucella ovis is a zoonotic agent

False

Brucella suis was isolated by Sir David Bruce as a first time in 1886 in Malta Island

False

Most important clinical sings of bovine brucellosis are icterus and CNS signs

False

Porcine brucellosis is a notifiable disease

True

With the help of the appropriate antibiotics we can eradicate B. suis from a swine herd

False

For the prevention of canine brucellosis vaccination is a frequently used method in Europe

False

There are no differences in serological features of Brucella species with veterinary importance

False

Dogs can carry and shed other Brucella species than B. canis, too

True

Humans are not susceptible to the causative agent of swine brucellosis

False

Wild hare is an important reservoir of Brucella abortus biotype 2 in Europe

False

The cell wall of mycobacteria contains large amount of lipopolysaccharide

False

Mycobacteria can be stained using the Ziehl-Neelsen staining

True

Antigens of mycobacteria show a close relationship

True

Mycobacteria can survive in the environment only for a few days

False

Mycobacterium bovis is a causative agent of bovine tuberculosis

True

Mycobacterium bovis can infect only cattle

False

Inhalation is the most frequent form of infection in the case of bovine tuberculosis

True

Intra canalicular spreading is typical in the post primary phase of tuberculosis

True

Avian tuberculosis is very frequent in large scale poultry farms

False

The causative agent of avian tuberculosis is a resistant bacterium

True

Avian tuberculosis is always generalized

True

No tubercles can be seen in the case of avian tuberculosis

False

Rhodococcus equi can cause abscesses

True

Rhodococcus equi can cause lesions only in horses

False

Rhodococcus equi can generally cause disease in foals above 6 months of age

False

Tetracyclines are the primary antibiotics for the treatment of diseases caused by Rhodococcus equi

False

Dermatophilosis is more frequent in the tropical areas than in moderate climate

True

Dermatophilosis is caused by Dermatophilus bovis

False

The agent of dermatophilosis is resistant, it remains viable for several months in the environment

True

Serous dermatitis can be seen in the case of dermatophilosis

True

Coli diarrhea of calves is caused by enterotoxigenic E. coli strains

True

Clinical signs of coli diarrhea of calves generally appear on the first week of life

False

High fever is a typical clinical sign of coli diarrhea of calves

False

If E. coli is isolated from the gut of diarrhoeic calves, coli diarrhea is the diagnosis

True

Calf dysentery is caused by enteropathogenic E. coli strains

False

Morbidity and mortality of calf dysentery are very high

False

Lesions of calf dysentery are seen in the large intestine

True

Calf dysentery is a zoonosis

True

Navel infection can happen in the case of Necrobacillosis

True

Rough, sticky feed can predispose to Necrobacillosis

True

Necrosis in the liver can be a post mortem lesion of Necrobacillosis

True

Necrobacillosis can only be seen in lambs

False

Ewes in their first pregnancy are more susceptible to Salmonella abortusovis than older ewes

True

Salmonella abortusovis is mainly transmitted at mating

False

Salmonella abortusovis causes epididymitis and orchitis in rams

False

Abortions caused by Salmonella abortusovis are prevented with widespread vaccination

False

Swine typhoid is a frequent disease on large scale farms

False

Swine typhoid is spreading slowly in the herd

True

Swine typhoid can be transmitted with fecal contamination

True

The agent of swine typhoid can only replicate in the gut

False

Fowl typhoid generally does not occur in large scale poultry farms

True

Salmonella avium is the causative agent of fowl typhoid

False

Germinative infection can occur in the case of fowl typhoid

True

Aerogenic infection can occur in the case of fowl typhoid

True

Salmonella derby is a frequent agent of fowl paratyphoid

False

Clinical signs of fowl paratyphoid are mainly seen in adult birds

False

Germinative infection does not occur in the case of fowl paratyphoid

False

Clinical signs of fowl paratyphoid can be successfully stopped with antibiotics

True

Yersinia pseudotuberculosis can infect only rodents

False

Animals can be infected with Yersinia pseudotuberculosis mainly per os

True

Starvation of wild living animals is a predisposing factor of yersiniosis

True

Infection with Yersinia pseudotuberculosis is limited to the gut

False

Aerogenic infection is frequent in the case of hemorrhagic septicemia

True

Hemorrhagic septicemia is caused by Mannheimia haemolytica

False

The leukotoxin of the agent is responsible for the lesions of hemorrhagic septicemia

False

Fever is a typical sign of hemorrhagic septicemia

True

Acute systemic pasteurellosis is caused by Bibersteinia trehalosi

True

Acute systemic pasteurellosis occurs in sucking lambs and kids

False

In the case of acute systemic pasteurellosis bacterium, emboli are formed in the blood vessels

True

Nasal discharge and coughing for a week are the main clinical signs of acute systemic pasteurellosis

False

Bordetella bronchiseptica and Pasteurella multocida cause atrophic rhinitis

True

Bordetella bronchiseptica causes reversible lesions in the nasal cavity of pigs

True

Infection of pigs with Bordetella bronchiseptica and Pasteurella multocida at any age can result in atrophic rhinitis

True

The mortality of atrophic rhinitis can be 50-60%

False

Dry, rough feed can predispose cattle to actinobacillosis

True

Actinobacillosis bovis is the causative agent of bovine actinobacillosis

False

Wooden tongue is a clinical sign of bovine actinobacillosis

True

In the case of bovine actinobacillosis lesions can be seen in same lymph nodes of the neck and head

True

Cattle are generally infected with Brucella per os

True

After infection brucella replicate in the lymph nodes of cattle

True

Bulls are resistant to Brucella infection

False

Bovine brucellosis is always an acute disease

False

Brucella melitensis can infection only goats and sheep

False

Brucella melitensis is endemic in the Mediterranean area

True

Brucella melitensis can cause orchitis and epididymitis in rams and bucks

True

Diseases caused by Brucella melitensis can be prevented with vaccination

True

Brucella suis is the causative agent of porcine brucellosis

True

Brucella suis biotype 2 can cause disease in hares

True

In the case of swine brucellosis, no clinical signs can be seen in boars

False

Stock exchange in the main way of eradication of porcine brucellosis

True

The cell wall of the mycobacteria contains lipids and waxes

True

Mycobacteria are intracellular bacteria

True

The resistance of mycobacteria is very low

False

All mycobacteria species are obligate pathogenic

False

The skin intradermal tuberculin test is a type IV. hypersensitivity test

True

If the thickness of the skin is increased with 3.4 mm in the tuberculin test and local lesions are present, test is inconclusive

False

Parallergy results in false negative reaction in the tuberculin test

False

Tuberculotic cattle are treated with antibiotics for at least three weeks

False

Mycobacterium tuberculosis can infect pigs

True

Mycobacterium bovis can infect pigs

True

Atypical mycobacteria can cause lesions in pigs

True

Mycobacterium tuberculosis can infect parrots

True

Bovine actinomycosis is caused by Actinomyces lignieresii

False

Abrasions on the mucous membrane of the oral cavity can predispose to actinomycosis

True

In the case of actinomycosis sulphur granules can be found in the lesions

True

Lumpy jaw is a common clinical sign of bovine actinomycosis

True

Rhodococcus equi can cause pneumonia in horses

True

Rhodococcus equi can cause disease mainly in foals between 1 and 4 months of age

True

Rhodococcus equi can cause lesions in the gut

True

There is widespread vaccination to prevent diseases caused by Rhodococcus equi

False

Coli septicemia of calves is generally seen after weaning

False

Hypo-gammaglobulinemia can be a predisposing factor of coli septicemia of calves

True

Endotoxin of E. coli is responsible for the clinical signs in the case of coli septicemia of calves

False

Coli septicemia of calves can be successfully treated with penicillin

True

Coli diarrhea of rabbits is caused by enteropathogenic E. coli strains

True

Coli diarrhea of rabbits is mainly seen in the first week of life

False

Insufficient fiber content is a predisposing factor of coli diarrhea of rabbits

True

Coli diarrhea is prevented by widespread vaccination of the mothers

False

Necrobacillosis is caused by Fusobacterium necrophorum subsp. necrophorum

True

In the case of Necrobacillosis infection can happen through wounds

True

In the case of Necrobacillosis, aerogenic infection is common

False

Lesions of Necrobacillosis are frequently found in or around the oral cavity

True

Salmonella typhimurium is obligate pathogenic bacterium

False

Salmonella typhimurium can cause salmonellosis of calves

True

Transportation of young calves is a predisposing factor of salmonellosis

True

In the case of chronic salmonellosis arthritis is a common clinical sign

True

Salmonella choleraesuis and S. typhimurium can cause swine paratyphoid

True

Swine paratyphoid is an acute, generalized disease

True

Swine paratyphoid is most frequent in suckling piglets

False

There is no use of antibiotic treatment in the case of swine paratyphoid

False

Mycobacteria are resistant bacteria they can survive in the environment for a few weeks

True

Mycobacteria tuberculosis can infect only humans

False

Mycobacteria caprae can infect cattle, other ruminants and swine

True

Saprophytic, facultative pathogenic mycobacteria cannot cause tuberculosis

False

Only cattle maintain bovine tuberculosis

False

Bovine tuberculosis does not occur in Europe

False

In the case of bovine tuberculosis aerogenic infection is the most frequent way of infection

True

In the case of bovine tuberculosis always exudative lesions can be seen

False

Paratuberculosis has been eradicated from Europe

False

The agent or paratuberculosis is shed in the faces

True

The clinical signs of paratuberculosis is more severe in calves than in adults

False

Dyspnea and nasal discharge are the main clinical signs of paratuberculosis

False

Actinomyces bovis is the causative agent of lumpy jaw

True

Rough feed and tooth eruption can predispose to lumpy jaw

True

Actinomyces bovis can cause actinomycosis in swine

True

Distortion of the mandibula or maxilla are the typical sessions of swine actinomycosis

False

Subcutaneous pyogranulomas can be seen in the case of canine nocardiosis

True

Canine nocardiosis is caused by Nocardia asteroides

True

Pneumonia is the typical lesion of bovine nocardiosis

False

Mastitis can be seen as a clinical sign of bovine nocardiosis

False

Verotoxigenic Escherichia coli strains are the causative agents of edema disease of swine

True

Edema disease typically occurs in 2-3-week-old piglets

False

In the case of edema disease, the permeability of the blood vessels is increased

True

Severe diarrhea is a frequent sign of edema disease

False

Enteropathogenic Escherichia coli strains can cause disease in rabbits

True

Insufficient amount of milk predisposes rabbits to coli-diarrhea

False

Mucoid diarrhea is a typical sign of coli-diarrhea of rabbits

True

Isolation of Escherichia coli from the faces of rabbits with diarrhoea confirms coli- diarrhoea

True

Fusobacteria are highly resistant, they remain viable in the environment for several weeks

False

Fusobacterium necrophorum subsp. necrophorum is the causative agent of Necrobacillosis

True

Wounds and abrasions can predispose to Necrobacillosis

True

Incorrect disinfection of the naval area can lead to Necrobacillosis

True

Salmonella can cause per os infection

True

Salmonella can cause aerogenic infection

True

Salmonella diseases are always acute in animals

False

After recovering from a salmonella disease, animals do not shed the bacterium any more

False

Salmonella bovis is the most frequent causative agent of bovine salmonellosis

False

Transportation is predisposing factor of bovine salmonellosis

True

Bovine salmonellosis is most frequent between 2 and 6 weeks of age

True

Fever is a typical sign of bovine salmonellosis

True

Salmonella Choleraesuis is the only agent of swine paratyphoid

False

Salmonella Choleraesuis is an obligate pathogenic bacterium

False

Swine paratyphoid is an acute, generalized disease

True

High fever is a typical clinical sign of swine paratyphoid

True

Fowl paratyphoid is caused by Salmonella Gallinarum and Salmonella Pollorum

False

The agent of fowl paratyphoid are facultative pathogenic bacteria

True

The clinical signs of fowl paratyphoid are mainly seen in birds below 4 weeks of age

True

Antibiotic treatment can prevent the carriage of salmonella, after fowl paratyphoid

False

Starvation is a predisposing factor of the disease caused by Yersinia pseudotuberculosis

True

Yersinia pseudotuberculosis can cause septicemia in rodents and hares

True

Yersinia pseudotuberculosis can cause focal inflammation and necrosis in the parenchymal organs

True

Yersinia pseudotuberculosis can infect humans

True

Hemorrhagic septicemia occurs only in tropical and subtropical countries

False

Hemorrhagic septicemia is caused by Mannheimia haemolytica

False

The morbidity of hemorrhagic septicemia is high

True

There are no vaccines for the prevention of hemorrhagic septicemia

False

Acute systemic pasteurellosis is caused by type A and D of Pasteurella multocida

False

Acute systemic pasteurellosis can be diagnosed by detecting the agent in the blood with...??

False

Necrosis of the mucous membranes and focal necrosis in the parenchymal organs are typical lesions of acute systemic pasteurellosis

True

Acute systemic pasteurellosis occurs only in suckling lambs

False

Fowl cholera is caused by Riemerella anatipestifer

False

The agent of fowl cholera can be transmitted by germinative infection

False

The agent of fowl cholera is a facultative pathogenic bacterium

True

The endotoxin of the agent is responsible for the lesions of fowl cholera

True

The agent of contagious equine metritis can infect horses per os

False

In the case of contagious equine metritis, no clinical signs will be seen in stallions

True

After recovery from contagious equine metritis mares can carry the agent for several weeks

True

After recovery from contagious equine metritis mares become infective for the rest of their life

False

Bovine brucellosis is widespread within the EU

False

Bovine brucellosis is caused mainly by Brucella abortus

True

Abortion is an important clinical sign of bovine brucellosis

True

Arthritis is an important clinical sign of bovine brucellosis

True

Brucella ovis has been eradicated from Europe

False

Only sheep is susceptible to Brucella ovis infection

True

Brucella ovis can cause ascending infection of the genital tract

True

Orchitis and epididymitis are the main clinical signs caused by Brucella ovis

True

Swine brucellosis is present in wild boars in several European countries

True

Swine brucellosis is caused by Brucella suis

True

Brucella suis infect only swine

Flase

Brucella suis cannot infect humans

False

All mycobacteria are obligate pathogenic

False

The cell wall of mycobacteria contains waxes and lipids

True

Tuberculin is the toxin produced by mycobacteria

False

Mycobacteria cannot be stained

False

The skin intradermal tuberculin test has to be read after 72 h

True

If the intradermal tuberculin test is inconclusive, it has to be repeated within a week

False

If the skin fold become 3 mm thicker in the skin intradermal tuberculin test and is painful, the test is positive

True

Mycobacterium avium subsp. avium can cause positive tuberculin reaction in cattle

True

Avian tuberculosis is mainly seen in chicken below 2 months of age

False

Avian tuberculosis is always seen as a generalized disease

True

In case of avian tuberculosis tubercles can be seen in liver and spleen

True

Avian tuberculosis is treated with penicillin and tetracyclines

False

Subcutaneous pyogranulomas can be seen in the case of canine actinomycosis

True

Canine actinomycosis is caused by Actinomycosis canis

False

Respiratory distress is a frequent clinical sign of canine actinomycosis.

True

Prolonged antibiotic therapy is needed to the treatment of actinomycosis.

True

Dermatophilosis occurs only in tropical and subtropical regions

False

Dermatophilosis congolensis is the causative agent of dermatophilosis.

True

The agent of dermatophilosis is not resistant, it cannot survive in environment

False

Focal necrosis in the parenchymal organs is a typical lesion of dermatophilosis

False

Verotoxigenic Escherichia coli strains are the causative agent of coli septicemia of cattle

False

Lack of colostrum feeding, is a predisposing factor of coli septicemia of cattle

True

Fever is a typical sign of coli septicemia of cattle

True

Severe watery diarrhea is typical clinical sign of coli septicemia of cattle

False

Invasive Escherichia coli strains can cause disease in poultry

True

Escherichia coli strains can cause septicemia in day-old chicken

True

Air sacculitis is a frequent disease, form in the case of coli-infection of chicken

True

Isolation of Escherichia coli from the feces confirms diagnosis of coli septicemia of poultry

False

The causative agent of foot rot is Dichelobacter nodosus

True

Exotoxins of the causative agent are responsible for the lesions of foot rot

False

Extracellular enzymes of the causative agent are responsible for the lesions of foot rot

True

There is no vaccine to prevent foot rot

False

Salmonella typhisuis and S. gallinarum are obligate pathogens

True

Salmonella typhisuis is widespread in different animal species

False

Salmonella typhisuis can be introduced with infected animals

True

Salmonella typhisuis can cause a fast spreading infection in the herd

False

Salmonella abortusovis can cause abortion in sheep

True

Ewes in their first pregnancy are more susceptible to Salmonella abortusovis than older animals

True

Salmonella abortusovis can cause orchitis and epididymitis in rams

False

Salmonella abortusovis can cause birth of non-viable lambs

True

Salmonella typhimurium can cause salmonellosis in horses

True

Some viruses can predispose horses to salmonellosis

True

Mixing horses of different origin can predispose to salmonellosis

True

Salmonellosis of horses are always limited to gut

False

Fowl typhoid is mainly seen in large scale poultry farms

False

Salmonella gallinarium is the agent of fowl typhoid

True

In case of Salmonella Gallinarum, germinative and aerogenic infection can happen

True

In case of fowl typhoid, the death curve peak at age 5-6 weeks

False

The world is free from plague

False

Yersinia pseudotuberculosis can survive in the environment

True

Yersinia pseudotuberculosis can cause disease only in rodents

False

Yersinia pseudotuberculosis can cause diarrhea

True

Exhausting work can predispose animals to hemorrhagic septicemia

True

Hemorrhagic septicemia is caused by B and E types

True

Re-convalescent animals do not carry the agent of hemorrhagic septicemia after recovery

False

The exotoxin of the causative agent is responsible for the lesions in haemorrhagic septicaemia

False

Mannheimia haemolytica can cause respiratory pasteurellosis in sheep

True

Fibrinous pleuropneumonia is the main lesion in case of respiratory pasteurellosis of sheep

True

Antibiotics can be used for the treatment of respiratory pasteurellosis of sheep

True

Respiratory pasteurellosis in sheep cannot be prevented with vaccination

False

Clinical signs of atrophic rhinitis can be seen if piglets infected first week of life

True

The lesions of atrophic rhinitis are reversible

True

The lesions of atrophic rhinitis are caused by an endotoxin

False

Atrophic rhinitis cannot be prevented with vaccination

False

Infectious coryza are caused by Avibacterium paragallinarum

True

Germinative infection is the main way of infection in case of Infectious coryza

False

Clinical sign of infectious coryza are more severe in day-old than adult

False

Clinical sign of infectious coryza are generally limited to upper respiratory tract

True

Necrosis of fetal membrane is a post mortem lesion of bovine brucellosis

True

Brucella can be detected in fetal membrane and fetus with Köster staining

True

Infected cattle can be recognized by detecting Brucella in blood with ELISA

True

ABR test is used to detect Brucella in milk

False

B. melitensis infection is common in most EU countries

False

B. melitensis can infect only sheep and goat

False

B. melitensis can cause orchitis in rams

True

There are vaccines for prevention of B. melitensis

True

Canine brucellosis is caused by B. canis

True

Abortion due to canine brucellosis occurs in final phase of pregnancy

True

Canine brucellosis has no clinical sign in male dogs

False

In the case of canine brucellosis the agent can be isolated from blood

True

Facultative pathogenic Mycobacteria can only reproduce in the environment

False

Facultative pathogenic Mycobacteria can only colonize in warm-blooded animals

False

Mycobacterium avium spp. paratuberculosis infects ruminants

True

There is no antigen connection between facultative and obligate pathogenic Mycobacteria

False

Bovine tuberculosis is sustained by infected animals

True

At bovine tuberculosis the resistance of the infected animals effects the clinical manifestations

True

Primer complex is usually in the intestines at bovine tuberculosis

False

At most cases bovine tuberculosis has a rapid, acute progression

False

4,1 mm and no local reaction – it is +

True

4,1 mm and local reaction – it is +

True

3,2 mm and local reaction – it is inconclusive

False

1,9 mm and local reaction – it is inconclusive

False

Dermatophilosis is more common in the tropical environment than in moderate climates

True

Dermatophilus bovis causes dermatophilosis

False

Serous dermatitis is the main clinical sign of dermatophilosis

True

At dermatophilosis in the parenchymal organs inflammatory-necrotic nodules can be observed

False

Endotoxins are the virulence factors of E. coli causing septicemia

True

Fimbria is the virulence factor of enterotoxic E. coli strains

True

Verotoxins are the virulence factors of enterotoxic E. coli strains

False

Fimbria is the virulence factor of enteropathogenic E. coli strains

False

E. coli diarrhea of calves can be seen mainly a week after weaning

False

E. coli diarrhea of calves causes fever in the animals

False

E. coli diarrhea of calves can be treated with per os antibiotics

True

E. coli diarrhea of calves can be prevented by vaccinating the pregnant cows

True

Foot rot is caused by Dichelobacter nodosus

True

The bacterium causing foot rot produces proteases, which are the virulence factors

True

Foot rot is more severe in goats than in sheep

False

Footbath with formalin can be used for prevention or for treatment of milder cases of foot rot

True

Salmonellosis of calves can be usually seen in 2-6 weeks old animals

True

Salmonellosis of calves causes diarrhea

True

Salmonellosis of calves only effects the intestines

False

Cattle can stay lifelong carriers of salmonellosis of calves

True

Salmonella abortusovis causes abortion in sheep

True

Sheep are usually infected per os by Salmonella abortusovis

True

Salmonella abortusovis causes septicemia in sheep

True

Rams don’t show any clinical signs of Salmonella Abortusovis

True

Swine typhus causes significant economic losses in larger farms

False

Salmonella enteritidis causes swine typhus

False

Swine typhus is usually an acute disease

False

Swine typhus only affects the intestines

False

Salmonella enteritidis is one of the causes of poultry paratyphoid

True

Paratyphoid of poultry can be spread in a germinative way

True

Paratyphoid of poultry only affects the intestines

False

Paratyphoid of poultry affects adult animals mainly

False

Yersinia pseudotuberculosis usually appears in tropical regions

False

Yersinia pseudotuberculosis generalizes in brown hares

True

Y ersinia pseudotuberculosis causes diarrhea

True

Y ersinia pseudotuberculosis is a zoonosis

True

Se-deficiency is a predisposing factor in sheep for pasteurellosis

True

Mannheimia haemolytica ́s endotoxin causes respiratory pasteurellosis in sheep

False

In respiratory pasteurellosis in sheep the cranial lung lobes are affected

False

Pasteurellosis does not cause septicemia

Flase

Hungary is free from atrophic rhinitis of swine

False

The clinical form of atrophic rhinitis can be seen if the piglets were few weeks old when infected

False

Bordetella bronchiseptica causes reversible changes in swine

True

The dermonecrotoxin of Pasteurella multocida damage the osteoclasts

False

Endotoxins of Pasteurella multocida cause fowl cholera

True

Fowl cholera has always an acute course

False

Arthritis is one of the symptoms of fowl cholera

True

Fowl cholera could cause focal inflammation-necrosis in the liver

True

Porcine APP is caused by Actinobacillus pleuropneumonia

True

In case of porcine APP we can see hemorrhagic, necrotic pneumonia

True

By APP the lesions are primarily found in the cranial lobes of the lung

False

APP causes focal inflammation-necrosis in the liver

False

Histophilus somni is an aerogenic infection by cattle

True

Histophilus somni causes pneumonia in cattle

True

Histophilus somni causes nervous system related symptoms

True

Histophilus somni causes mainly pneumonia in sheep

False

Brucella bovis causes the brucellosis of cattle

False

Brucella suis can colonize in the udder of cattle

True

Brucellosis of cattle is a self-limiting disease

True

Cattle infected with brucellosis stay life-long carriers

True

Brucella melitensis is sporadic in Hungary

False

Sheep and goats can be infected per os with Brucella melitensis

True

Brucella melitensis causes abortion in goats and sheep

True

Brucella melitensis can be prevented by attenuated vaccines

True

Hungary is free from Brucella suis

False

Only swine are susceptible to Brucella suis

False

Brucella suis causes abortion in pigs

True

Brucella suis causes arthritis in pigs

True

Midterm 4 (2) Flashcards

(520 cards)