Midterm 4 (1) Flashcards by Henriette Wisnes

Fimbria can be virulence factors of E. coli strains

True

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LT toxin can be virulence factor of some E. coli strains

True

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Verotoxins produced by E. coli strains cause diarrhea in pigs

False

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Enterotoxigenic E. coli strains cause diarrhea in neonatal animals

True

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E. coli strains cannot cause germinative infection in chicken

False

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E. coli strains cause generalized infection in day-old chicken

True

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Omphalitis is a frequent clinical sign of E. coli infection of day-old chicken

True

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Air sacculitis is a common post mortem lesion of E. coli infection in grower chicken

True

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Fusobacterium necrophorum subsp. funduliforme is the agent Necrobacillosis in lambs

False

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Necrobacillosis can occur as a consequence of navel infection in lambs

True

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Pulmonary necrosis is a frequent lesion of necrobacillosis of lambs

False

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Liver necrosis is a frequent lesion of necrobacillosis of lambs

True

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Per os infection is a common way of infection in the case of salmonellosis

True

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Salmonellae are replicating in the gut

True

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Asymptomatic carriage of salmonellae does not occur in animals

False

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Abortion can be a clinical sign of salmonellosis of animals

True

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Salmonellosis is zoonosis

True

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Antibodies against salmonellae can be detected in the case of generalised salmonellosis

True

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In the case of generalized salmonellosis, the agent has to be isolated from the faces

False

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After antibiotic treatment, no salmonella carriers remain in the flock

False

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Salmonella Typhisuis is an obligate pathogen

True

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S. Typhisuis replicates in the lymphoid patches of the large intestine

True

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Infection caused by S. Typhisuis is limited to the intestine

False

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S. Typhisuis can cause a severe acute disease in swine

False

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Fowl paratyphoid is caused by Salmonella Gallinarum / Pullorum

False

Fowl paratyphoid alone occurs at any age

False

Germinative infection can happen in the case of fowl paratyphoid

True

Fowl paratyphoid is a septicemic disease in chicken

True

Yersinia pseudotuberculosis is a facultative pathogenic bacterium

True

Disease caused by Y. pseudotuberculosis is seen in European brown hares

True

Infection by Y. pseudotuberculosis is always limited to the gut

False

Y. pseudotuberculosis can cause focal necrosis in the parenchymal organs

True

Brucella species are widely distributed all over the world

True

Brucella species are serologically uniform

False

Brucella species need cysteine or cystine as an additive for the culture

False

Brucella species are not zoonotic agents

False

Bovine brucellosis is caused by Brucella bovis

False

B. melitensis can cause abortion in cattle

True

In the case of bovine brucellosis abortion usually occurs after fifth month of gestation

True

Retention of fetal membranes is a characteristic clinical sign of bovine brucellosis

True

Brucella melitensis infection of sheep and goat is common in Mediterranean littoral

True

B. melitensis can disappear spontaneously from sheep and goat

True

Wild boars can be the source of swine brucellosis in domestic pigs reared outdoors

True

European brown hare can carry and shed B. suis biotype 2

True

Brucella ovis is a zoonotic agent

False

The most frequently seen clinical sign of B. ovis infection is abortion of ewes

False

Susceptibility of humans to different Brucella species is different

True

Consumption of raw milk is an important route of human Brucella infection

True

Hemorrhagic septicemia is caused by Mannheimia haemolytica

False

Exhausting work can predispose to hemorrhagic septicaemia

True

The mortality of hemorrhagic septicemia is low

False

Hemorrhagic septicemia occurs only in South-East Asia

False

Septicemic pasteurellosis of lambs occurs below 3 months of age

True

Severe fibrinous pneumonia is a typical lesion in the case of septicaemic pasteurellosis of lambs

False

Acute systemic pasteurellosis is caused by Bibersteinia trehalosi

True

Focal necrosis in the parenchymal organs can be seen in the case of acute systemic pasteurellosis

True

Bordetella bronchiseptica can cause mild respiratory signs in suckling piglets

True

Endotoxin produced by Pasteurella multocida is responsible for the clinical signs of atrophic rhinitis

False

Atrophy of the turbinates is a typical post mortem lesion of atrophic rhinitis

True

There are no vaccines to prevent atrophic rhinitis

False

Fowl cholera has been eradicated in Europe

False

Endotoxin is responsible for the clinical signs of fowl cholera

True

Fever is a common clinical sign of acute fowl cholera

True

Vaccines against fowl cholera provide good life long protection

False

Francisella tularensis subsp. holarctica is the causative agent of tularaemia in Europe

True

European brown hare is the reservoir of the agent of tularaemia in Europe

True

Only hares are susceptible to the agent of tularaemia

False

Tularaemia is a zoonosis

True

Bordetella species are widespread on upper respiratory mucous membranes of birds and mammals

True

Turkey coryza is caused by Bordetella bronchiseptica

False

Upper respiratory clinical signs are characteristic for turkey coryza

True

2-6 weeks old turkey poults are the most susceptible to the causative agent of turkey coryza

True

The agent of bovine genital campylobacteriosis is Campylobacter fetus subsp. bovis

False

Inflammation of the prepuce is a common clinical sign of bovine genital campylobacteriosis

False

Abortion is a common clinical sign of bovine genital campylobacteriosis

True

The number of repeat breeders is increased in the case of bovine genital campylobacteriosis

True

Campylobacter jejuni can cause enteritis in young dogs

True

Per os infection occurs in the case of enteric campylobacteriosis

True

Blood never appears in the faces in the case of enteric campylobacteriosis

False

Focal necrosis is a post mortem lesion in the case of campylobacter hepatitis of poultry

True

The enterotoxigenic E. coli strains cause neonatal diarrhea in calves and piglets

True

The enterotoxins of E. coli inhibit the protein synthesis

False

The enterotoxigenic E. coli strains have fimbria as adhesins

True

The verotoxigenic E. coli strains cause septicemia of calves

False

Calf dysentery is caused by enterotoxigenic E. coli strains

False

In the case of calf dysentery, not only calves but cows also show severe diarrhoea

False

Calves with calf dysentery can recover spontaneously

True

Calf dysentery is a zoonotic disease

True

The main agent of foot rot is the Dichelobacter nodosus

True

Production of keratinase is a virulence factor of Dichelobacter nodosus

True

Morbidity of foot rot is very low, 1-5%

False

Foot bath in zinc sulphate can be used for the treatment of foot rot

True

Per os infection can happen in the case of salmonellosis

True

Germinative infection can happen in the case of certain salmonella diseases

True

Aerogenic infection can happen in the case of certain salmonella diseases

True

Sexual transmission is common in the case of certain salmonella diseases

False

Salmonella Abortusovis can cause abortion in ewes

True

Mixing ewes in their first pregnancy and old pregnant ewes predisposes to abortion caused salmonellae

True

Salmonella Abortusovis can cause epididymitis and orchitis in rams

False

Sexual transmission is the main way of infection with Salmonella Abortusovis

False

Swine typhoid is caused by Salmonella Choleraesuis

False

Salmonella Choleraesuis is an obligate pathogen

False

Ulcers in the large intestine are frequent post mortem lesions of swine typhoid

True

Swine typhoid is treated with penicillin

False

Fowl typhoid can be spread by aerogenic infection

True

In the case of fowl typhoid there is a peak of death cases between days 3 and 5

True

Fowl typhoid is an acute disease of poultry

True

Diarrhea is not a typical clinical sign of fowl cholera

False

Plague is caused by Yersinia pestis

True

The Earth is free from plague

False

Only rats are susceptible to plague

False

Fleas can transmit plague

True

Brucella need chocolate agar to culture

False

There is a close antigenic relationship between B. ovis and B. melitensis

False

B. suis is a zoonotic agent

True

Brucella ovis needs CO2 to culture

True

Nervous clinical signs are frequent in the case of bovine brucellosis

False

Bovine brucellosis can be diagnosed using the tuberculin test

False

ABR test cannot be used to test colostrum

True

Bovine brucellosis is a self-limiting disease

True

Swine brucellosis does not occur in Europe

False

Agent of canine brucellosis can infect humans

True

Brucellosis caused by Brucella melitensis occurs in the Mediterranean area

True

The S19 strain is an inactivated B. melitensis strain, which can be used for brucellosis

False

Humans can be infected with Brucella ovis from raw sheep or goat milk, are common clinical signs of the disease

False

Herd replacement is the only method of eradication of B. melitensis in a goat herd

False

Rev-1 strain is an attenuated live B. suis strain

False

B. suis can infect brown hares

True

Monsoon can predispose to hemorrhagic septicaemia

True

Hemorrhagic septicemia is mainly seen in pigs and horses

False

Hemorrhagic septicemia is mainly an acute disease

True

After recovering from hemorrhagic septicemia the animals do not shed the agent

False

Mannheimia haemolytica can cause respiratory pasteurellosis of sheep

True

Fibrinous pneumonia is a common post mortem lesion of respiratory pasteurellosis

True

Mannheimia haemolytica can cause mastitis of sheep

True

Respiratory pasteurellosis of sheep cannot be prevented with vaccines

False

Atrophic rhinitis in fattening pigs is caused by Bordetella bronchiseptica

False

In 4-6 months old pigs B. bronchiseptica strains cause severe pneumonia

False

Dermonectotoxin is an important virulence factor of B. bronchiseptica

True

Atrophic rhinitis cannot be prevented with vaccination

False

Focal inflammation in the liver is a typical post mortem lesion of fowl cholera

True

Hemorrhages generally cannot be seen as post mortem signs of fowl cholera

False

After recovering from fowl cholera the animals do not carry the agent any more

False

There are vaccines on the market to prevent fowl cholera

True

Hamsters and mice are very susceptible to the agent of tularaemia

True

Ticks can transmit the agent of tularaemia

True

Sheep are regularly vaccinated to prevent tularaemia in Europe

False

Tularaemia is not a zoonosis

False

Bordetella species can be frequently found on the respiratory mammal species

True

Bordetella pertussis can sometimes infect small ruminants

False

To the isolation of B. avium V-factor, CO2, and chocolate agar are needed

False

B. bronchiseptica strains can be involved in the respiratory disease

True

Campylobacter are obligate anaerobic bacteria

False

Campylobacters are microaerophilic bacteria

True

Campylobacter fetus subsp. venerealis causes bovine genital campylobacter

True

Infertility of cows is consequence of bovine genital campylobacter

True

Campylobacter jejuni can cause enteritis in humans

True

Raw milk can be the source of human Campylobacter jejuni infection

True

Campylobacter jejuni can cause hepatitis in humans

False

There are widespread vaccinations to prevent diseases caused by Campylobacter jejuni in humans

False

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

True

Coli diarrhea of calves is typically seen in 3-4-week-old calves

False

Dehydration is a clinical sign of coli diarrhea in calves

True

Enteritis in the large intestine is a typical post mortem sign of coli-diarrhea of calves

False

E. coli can cause dead eggs

True

E. coli can cause septicemia in day-old chicken

True

E. coli can cause air sacculitis in grower poultry

True

Omphalitis is a frequent post mortem lesion of E. coli septicemia in day-old chicken

True

Fusobacterium funduliforme is the causative agent of Necrobacillosis

False

Necrosis of the mucous membranes in the oral cavity is a clinical sign of Necrobacillosis

True

Focal necrosis in the kidney is a frequent post mortem lesion of Necrobacillosis

False

Necrobacillosis is prevented with wide vaccination

False

Asymptomatic carriage of salmonellae cannot happen in animals

False

Salmonella diseases are always limited to the gut

False

Arthritis can be a clinical sign of chronic salmonellosis

True

Certain salmonella serotypes can cause abortions

True

Lack of appropriate provision of colostrum can predispose calves to salmonellosis

False

Salmonella Typhi is a frequent agent of salmonellosis of calves

False

Transport of calves can predispose to salmonellosis

True

There are no vaccines against salmonellosis of calves

False

Per os infection is frequent in the case of swine typhoid

True

Swine typhoid is limited to the intestine, it cannot cause bacteraemia

False

Lesions of swine typhoid can be seen in the small intestine

False

Swine typhoid is an acute disease of swine

False

Fowl typhoid is caused by Salmonella Gallinarum

True

Fowl typhoid is more frequent in water fowl than hens

False

The susceptibility to fowl typhoid is increasing with age

False

Fowl typhoid can spread with germinative infection

True

Yersinia pseudotuberculosis can infect brown hares

True

Yersinia pseudotuberculosis can cause septicemia is rodents

True

Farm animals are regularly vaccinated to prevent infection caused by Yersinia pseudotuberculosis

False

Yersinia pseudotuberculosis can infect humans

True

Brucella are Gram-positive and Köster-positive bacteria

False

The antigens of Brucella are uniform

False

The majority of the Brucella species can infect humans

True

Brucella are not fastidious bacteria, they can be cultured on simple nutrient agar

False

Bovine brucellosis was described for the first time by Sir David Bruce in 1886

False

Bovine brucellosis is not a notifiable disease

False

Bovine brucellosis can be treated well with penicillin

False

Bovine brucellosis is a self-limiting disease

True

Rose-Bengal test is a frequently used serological test in the diagnostic work of brucellosis

True

In ABR (Abortus bang ring/Brucella milk ring) test, we detect brucella antigens in the milk

False

Fluoroquinolone treatment can cease shedding of Brucella

False

Rev 1. strain is a modified live vaccine strain of B. melitensis

True

Brucella ovis generally does not cause septicemia in rams

True

Brucella ovis is a zoonotic agent

False

Wild boars and hares can carry and shed the causative agent of swine brucellosis in Europe

True

Brucella canis can be isolated from the blood of infected dogs for years post infection

True

Exotoxins are responsible for hemorrhagic septicemia

False

The agent of hemorrhagic septicemia can be carried in the tonsils

True

Hemorrhagic septicemia cannot be prevented with vaccines

False

Haemorrhages on the heart are important post mortem signs of hemorrhagic septicaemia

True

Mannheimia haemolytica is an important agent of ovine respiratory pasteurellosis

True

Leukotoxin of M. haemolytica is responsible for the clinical signs of ovine respiratory pasteurellosis

True

Lesions of ovine respiratory pasteurellosis can be seen in the anterior lobes of the lungs

True

Macrolide antibiotics can be used to the treatment of ovine respiratory pasteurellosis

True

Bibersteinia trehalosi is the causative agent pasteurellosis of rabbits

False

Serous pneumonia is typical in the case of pasteurellosis of rabbits

False

Pasteurellosis is limited to the respiratory trackt in rabbits

False

Neurologic signs can be seen in the case of pasteurellosis of rabbits

True

Fowl cholera occurs only in hens

False

Fowl cholera is caused by certain serotypes of Pasteurella multocida

True

The agent of fowl cholera is an obligate pathogen

False

Germinative infection is common in the case of fowl cholera

False

The agent of tularaemia is transmitted only by ticks

False

There are virulence variants of Francisella tularensis

True

Slide agglutination test is used to recognize tularaemia infection in live animals

True

Farm animals in Europe are widely vaccinated against tularaemia

False

The normal habitat of Bordetella species is the mucous membranes of genital tract of animals

False

Bordetella bronchiseptica can cause rhinitis and pneumonia in piglets

True

Sinusitis, nasal discharge and conjunctivitis are the most frequently seen clinical signs of turkey coryza

True

Turkey coryza is caused by Bordetella bronchiseptica

False

Campylobacter species are Gram-positive curved and motile rods

False

Campylobacters are fastidious and microaerophilic bacteria

True

Bovine genital campylobacteriosis is caused C. fetus ssp. fetus

False

Campylobacter hepatitis of hens is caused C. fetus ssp. fetus

False

Proliferative enteropathies are caused by Campylobacter hyointestinalis

False

Intestinal adenomatosis is a form of proliferative enteropathies

True

Proliferative enteropathies occur in pigs between 6 and 20 weeks of age

True

Tiamulin can be used for the treatment of proliferative enteropathies

True

Colostrum deficiency is the main predisposing factor of E. coli septicemia in calves

True

E. coli septicemia of calves appears in the first days of life

True

Enterotoxigenic E. coli strains are the causative agents of E. coli septicemia of calves

False

In the case of E. coli septicemia in calves, diarrhea generally cannot be seen

True

Coli diarrhea of newborn piglets is caused by enterotoxigenic E. coli strains

True

Fimbria F4 is an important virulence factor of E. coli strains causing neonatal diarrhoea of piglets

True

Hemorrhagic diarrhea is typical in the case of coli diarrhea of newborn piglets

False

There are no vaccines to prevent coli diarrhea of newborn piglets

False

Dichelobacter nodosus causes foot rot in sheep

True

Keratinase is a virulence factor of the agent of foot rot

True

Dichelobacter nodosus is helped by other bacteria in the pathogenesis of foot rot

True

Foot rot cannot be prevented with vaccination

False

Salmonella Typhi is an obligate pathogen, it is the causative agent of fowl typhoid

False

Salmonellae, which can cause paratyphoid in animals are widespread

True

Age is a predisposing factor of paratyphoid of animals

True

Only per os infection occurs in the case of salmonellosis

False

Salmonellosis of calves is seen mainly in the first week of life

False

In the case of salmonellosis of calves, focal necrosis in the parenchymal organs can be seen

True

Arthritis can be a clinical sign of salmonellosis of calves

True

Humans cannot be infected with salmonellae from calves

False

Equine herpesvirus 1 infection can predispose horses to salmonellosis

True

Salmonellosis of horses occurs only in foals in the first month of life

False

Tenosynovitis can be a clinical sign of equine salmonellosis

True

Enteritis can be a clinical sign of equine salmonellosis

True

Germinative infection occurs in the case of fowl typhoid

True

Fowl typhoid has a death peak on days 3-5

True

Fowl typhoid has no effect on hatching %

False

Unabsorbed yolk sack is a post mortem lesion of fowl typhoid

True

Plague is caused by Yersinia pseudotuberculosis

False

Arthropods are involved in spreading of plague

True

Yersinia pseudotuberculosis has a wide host range

True

Yersinia pseudotuberculosis is not a zoonotic agent

False

Brucella species are non-motile, Gram-negative, small coccoid rods

True

There is a serological relationship among B. abortus, B. melitensis and B. ovis, because of the same surface polysaccharides

False

There are no brucellosis-free countries in the world

False

Most of the Brucella species are zoonotic agents

True

Bovine brucellosis is caused by Brucella bovis

False

Sensitivity and specificity of the serological tests, which are used in Brucella diagnostics are different

True

Bovine brucellosis is a notifiable disease

True

An early antibiotic therapy is really important in the treatment of bovine brucellosis

False

There is close antigenic relationship between Brucella bovis and Brucella ovis

False

Brucella suis can cause severe abortion in cattle

False

Brucella bovis can infect brown hares

False

Arthritis is a typical clinical sign of porcine brucellosis

True

Farmed pigs are regularly vaccinated against brucellosis in Europe in order to prevent infection from wild boars

False

Canine brucellosis does not occur in Europe

False

Ovine brucellosis caused by B. ovis is zoonosis

False

The Rev-I vaccine strain is an attenuated, live B. ovis strain

False

Mannheimia haemolytica is an important agent of shipping fever

True

Leukotoxin of M. haemolytica damages the alveolar macrophages

True

Interstitial pneumonia is a frequent post mortem lesion of pulmonary pasteurellosis of cattle

False

The pneumonic lesions in the case of pulmonary pasteurellosis of cattle can be seen mainly in the diaphragmatic lobe

False

Acute systemic pasteurellosis occurs in lambs that are younger than 3 months

False

Acute systemic pasteurellosis is caused by Mannheimia haemolytica

False

Acute systemic pasteurellosis occurs in sheep but not goats

False

Mannheimia haemolytica can cause mastitis in ewes

True

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

True

The dermonecrotoxin producing Pasteurella multocida strains are responsible for the severe lesions of atrophic rhinitis

True

The dermonecrotoxin of P. multocida inhibits the activity of the osteoclast cells

False

Atrophic rhinitis can be prevented by vaccinating the day-old piglets

False

Turkey are highly susceptible to fowl cholera

True

Fowl cholera is caused by Pasteurella multocida strains

True

The agent of fowl cholera is an obligate pathogen

False

Arthritis is a clinical sign of chronic fowl cholera

True

Francisella tularensis subsp. tularensis is the most frequent subspecies of the agent in Europe

False

Brown hares are susceptible to tularaemia

True

Tularaemia can be frequently seen in cattle in Europe

False

Francisella tularensis can infect humans

True

Bordetella occur mainly on the mucous membranes of the genitals of mammals

False

Bordetella are very fastidious bacteria, cysteine, cystin and chocolate agar are needed to the culture

False

Bordetellosis of turkey can be prevented with inactivated vaccines

True

Bordetella bronchiseptica can cause respiratory diseases of rabbits

True

Bovine genital campylobacteriosis is an acute septicemic disease

False

Infertility of the bulls is a clinical sign of bovine genital campylobacteriosis

False

Abortion is a clinical sign of bovine genital campylobacteriosis

True

Bovine genital campylobacteriosis can be diagnosed by staining the stomach content of the foetus

True

Campylobacter jejuni can cause diarrhea in young dogs

True

Campylobacter jejuni can cause septicemia in young dogs

False

An important clinical signs of campylobacter hepatitis of poultry are the drop of egg production

True

Fibrinous peri-hepatitis is a post mortem lesion in the case of campylobacter hepatitis of poultry

True

The habitat of the obligate pathogenic Mycobacteria is the environment

False

Mycobacteria are obligate intracellular bacteria

True

Waxes can be found in the cell wall of Mycobacteria

True

Only Mycobacterium tuberculosis can cause tuberculosis in humans

False

Mycobacterium bovis can cause bovine tuberculosis

True

The primary complex in bovine tuberculosis is mainly in the respiratory tract

True

Neutrophil granulocytes can be typically found in tubercles

False

Necrosis can be seen in the tubercles

True

The tuberculin contains antigens from mycobacteria

True

The tuberculin test is inconclusive if the increase of the thickness of the skin fold is 3.2 mm and it is painful

False

The tuberculin test is negative for 3 weeks after infection

True

Cattle are vaccinated every year in order to prevent tuberculosis

False

Lumpy jaw is a frequently seen disease in cattle herds with high morbidity

False

Nocardia asteroides is a soil microorganism

True

Heavy rain and wet skin surfaces are important predisposing factors in case of dermatophilosis

True

1 to 3 months old foals acquire Rhodococcus equi from the dust, so the main route of infection is the inhalation of the dust contaminated with the causative agent

True

Enterotoxigenic E. coli strains cause coli diarrhea in calves

True

High fever is a typical sign of coli diarrhea of calves

False

Severe inflammation in the small intestine can be seen in the case of coli diarrhoea of calves

False

Coli-diarrhea can be prevented by vaccinating the pregnant cows

True

E. coli can cause embryonic mortality in poultry

True

E. coli can cause septicemia in day-old chicken

True

E. coli can cause clinical signs only in chicken below of 2 weeks of age

False

E. coli can frequently cause air sacculitis in grower chicken

True

Salmonellosis of calves is typically seen in 2-6-week-old animals

True

Calves are infected with Salmonellae generally per os

True

Salmonellae do not enter the blood stream in calves

False

Abortion can be a clinical sign of bovine salmonellosis

True

Mixing old ewes in their first pregnancy can predispose to salmonellosis of sheep

False

Septicaemia occurs in the case of ovine salmonellosis.

True

Certain virus infections can predispose horses to salmonellosis

True

Horses are regularly vaccinated in order to prevent salmonellosis

False

Salmonella Choleraesuis can cause swine paratyphoid

True

Swine paratyphoid generally occurs in all age groups

False

High fever is a typical sign of swine paratyphoid

True

There are vaccines against swine paratyphoid on the market

True

Fowl typhoid is a frequent disease in large scale farms

False

Fowl typhoid is caused by Salmonella Enteritidis

False

Aerogenic infection occurs in the case of fowl typhoid

True

Arthritis is a clinical sign of fowl typhoid

True

Yersinia enterocolitica can cause diarrhea only in rodents

False

Yersinia enterocolitica can cause septicemia

True

Yersinia enterocolitica can cause lesions in the mesenteric lymph nodes

True

Yersinia enterocolitica can infect humans

True

Necrobacillosis is caused by Fusobacterium necrophorum subsp. Funduliforme

False

Wounds can predispose to Necrobacillosis

True

Navel infection can occur in the case of Necrobacillosis

True

Lesions of Necrobacillosis can be seen frequently in the oral cavity

True

Haemorrhagic septicemia is caused by Pasteurella multocida

True

Haemorrhagic septicemia is mainly seen in pigs

False

Edema can be seen in the case of hemorrhagic septicaemia

True

Hemorrhagic septicemia cannot be prevented with vaccination

False

Respiratory form of ovine pasteurellosis can be seen only in suckling lambs

False

Leukotoxin produced Mannheimia haemolytica is responsible for ovine mastitis

True

Acute systemic pasteurellosis is caused by Pasteurella multocida

False

Lesions of ovine respiratory pasteurellosis are typically seen in the diaphragmatic lobe of the lungs

False

Dermonecrotoxin of Pasteurella multocida causes inversible lesions in the nasal cavity of pigs

True

Atrophy of the turbinate bones is a typical lesion of atrophic rhinitis

True

Isolation of the causative agent from the nose confirm the diagnosis of atrophic rhinitis

False

Day-old piglets have to be vaccinated in order to prevent atrophic rhinitis

False

Lack of umbilical disinfection can lead to actinobacillosis in foals

True

Clinical signs of the central nervous system are typical in the case of actinobacillosis of foals

False

Wooden tongue is a typical clinical sign of equine actinobacillosis

False

Young foals are regularly vaccinated in order to prevent actinobacillosis

False

Glässer's disease is generally seen in 1-2-month-old piglets

True

Actinobacillus suis is the causative agent of Glässer's disease

False

Arthritis is a clinical sign of Glässer's disease

True

Meningitis is a clinical sign of Glässer's disease

True

Brucella suis is a zoonotic agent

True

Brucella canis is stained red as a result of Köster-staining

False

Brucella species are not fastidious bacteria, we can use nutrient agar in diagnostic work

False

There is a strong relationship in antigenic structure of Brucella canis and Brucella ovis

True

Pneumonia and nasal discharge are characteristic clinical findings in swine brucellosis

False

Rev I. is a live vaccine strain of B. canis

False

Dogs and cats can carry and shed different Brucella sp. without any clinical signs

True

Fetus, fetal membrane and blood sample from the dam must be send to the diagnostic institute in abotrion case

True

Stock exchange is the only safe eradication method in case of swine brucellosis

True

Swine brucellosis is an exotic disease in Europe, we can see this disease in South-East Asia only

False

In swine brucellosis the results of serological tests can be used only for herd diagnosis, because the low sensitivity and specificity of these serological tests

True

Scrotal dermatitis is a common clinical finding in canine brucellosis

True

The habitat of saprophytic, facultative pathogenic Mycobacteria is the environment

True

Saprophytic, facultative pathogenic Mycobacteria cannot colonize mammals

False

Mycobacterium caprae can cause tuberculosis only in goats

False

The resistance of Mycobacteria is very low

False

Cough is a frequent sign of bovine tuberculosis

True

Intestinal tuberculosis has no clinical signs in cattle

False

Badgers can infect cattle with Mycobacterium bovis

True

Vaccines are widely used to prevent bovine tuberculosis

False

The tuberculin reaction is positive if the increase of the thickness of the skin fold is 4.1 mm

True

If the positive tuberculin reaction is caused by facultative pathogenic mycobacteria the positivity will disappear after a few months

True

Mycobacterium bovis cannot cause tuberculosis in pigs

False

Mycobacterium bovis can infect cage birds

True

Actinomyces bovis is the causative agent of wooden tongue, it generally attacks soft tissues

False

Nocardia asteroides generally causes mastitis in cattle, which can be an iatrogenic infection

True

Treatment is not allowed in the case of dermatophilosis, eradication of the disease is our primary aim

False

Rhodococcus equi infection is a notifiable disease

False

Enterotoxigenic E. coli strains cause coli septicemia in calves

False

Coli septicemia of calves occurs in the first days of life

True

Verotoxins are responsible for the clinical signs of coli septicemia of calves

False

Severe watery diarrhea is a typical sign of coli septicemia of calves

False

Edema disease occurs in pigs and calves

False

Edema disease is caused by enteropathogenic E. coli strains

False

Edema disease occurs generally 1-2 weeks after weaning

True

Small arteries are damaged in the case of edema disease

True

Salmonellosis does not occur in cattle in Europe anymore because of successful eradication

False

Salmonellosis in calves typically occurs in 1-2-week-old calves

False

Salmonellosis in calves is frequently caused by S. typhimurium

True

Arthritis can be a clinical sign of bovine salmonellosis

True

Abortion is a clinical sign of equine salmonellosis

True

Foals are aborted in the febrile phase of salmonellosis

False

Isolation of salmonellae from aborted foals confirm the diagnosis of salmonellosis

True

Mares are regularly vaccination with vaccine containing Salmonella typhimurium

False

Swine typhoid is caused by Salmonella typhisuis

True

Salmonella typhisuis can infect ruminants and swine

False

Swine typhoid occurs only in piglets between 2-5 months

False

Certain lesions of swine typhoid can be seen in the large intestine

True

Salmonella gallinarum is the causative agent of fowl paratyphoid

False

Fowl paratyphoid cannot be seen in the European poultry flocks anymore

False

Germinative infection happens in the case of fowl paratyphoid

True

Lesions of fowl paratyphoid occur only in the intestinal tract

False

Plague occurs in the United States

True

Only humans are susceptible to the agent of plague

Flase

Yersinia pseudotuberculosis causes frequently clinical signs in rodents

True

Yersinia pseudotuberculosis can cause enteritis

True

The causative agent of foot rot is Dichelobacter nodosus

True

Dichelobacter nodosus can produce keratinase

True

Foot rot has more severe clinical signs in goats than sheep

False

Foot rot cannot be prevented with vaccination

False

Hemorrhagic septicemia is endemic in several European countries

False

Exhausting work can predispose to hemorrhagic septicemia

True

Re-convalescent animals can carry the agent of hemorrhagic septicemia

True

The lesions of hemorrhagic septicemia are caused by the exotoxin of the agent

False

Leukotoxin is a virulence factor of Mannheimia haemolytica

True

Salmonellosis can predispose cattle to pasteurellosis

False

Transportation can predispose cattle to pasteurellosis

True

Bovine pasteurellosis cannot be prevented with vaccination

False

Fowl cholera is caused by Pasteurella multocida

True

Fowl cholera occurs only in chicken

False

Germinative infection is common in the case of fowl cholera

False

Arthritis can be a clinical sign of fowl cholera

True

Actinobacillus lignieresii can cause actinobacillosis in cattle

True

Actinobacillosis is a fast, acute disease in cattle

False

Wooden tongue is a clinical sign of bovine actinobacillosis

True

Vaccination is the primary way of prevention of actinobacillosis in cattle

False

Avibacterium paragallinarum is the causative agent of infectious coryza

True

Germinative infection is important in the pathogenesis of infectious coryza

False

Infectious coryza is mainly seen in 1-2-week-old chicken

False

Sinusitis is a clinical sign of infectious coryza

True

Human brucellosis was described for the first time by David Bruce in Malta Island in 1886

True

Brucella abortus stains red as a result of Köster-staining

True

Bovine brucellosis is a notifiable disease

True

Brucella abortus can cause an abortion storm in a newly infected pregnant cattle herd

True

There is a strong relationship in the antigenic structure of B. melitensis and B. suis

True

B. suis biotype 2 is widespread in wild swine population all over the world

True

The most important clinical sign of canine brucellosis is abortion of pregnant bitches

True

Swine brucellosis can be treated successfully with antibiotics

False

In case of bovine abortion we must send only fetal fluid to the diagnostic laboratory, because is enough for the diagnosis

False

In the ABR test we detect Brucella abortus bacteria in the cattle milk

False

S19 vaccine is a live vaccine, which can cause abortion in pregnant cows

True

Brucella suis is a zoonotic agent

True

Midterm 4 (1) Flashcards

(480 cards)