MT3- Bacillus anthracis Flashcards
Animals showing clinical signs of anthrax have to be killed, treatment is not allowed
F
The agent of anthrax is spreading in the herd very fast from animal to animal
F
Anthrax is frequently a peracute disease in cattle
T ( parachute or acute)
Anthrax is caused by Clostridium anthracis
F ( Bacillus anthracis)
Enlargement of the spleen is a frequent postmortem lesion of anthrax
T
Anthrax can occur only in ruminants
F ( ruminant, horse, dog, cat, human, swine, birds )
Anthrax can be diagnosed by staining blood smear
T
Anthrax is zoonosis
T
Incomplete blood clotting is a typical postmortem finding in the case of anthrax
T
Animals are infected with the agent of anthrax mainly per os
T
There are no vaccines for the prevention of Anthrax
F (live vaccine)
Animals are infected with the agent of anthrax mainly per os
T
Anthrax can cause clinical signs in pigs
T
Horses are resistant to Anthrax
F
Generally live vaccines are used for the prevention of anthrax
T
There is a metachromatic staining in the case of Bacillus Anthracis
T
Capsule and oedema factor are virulence factors of Bacillus anthracis
T
Carbon dioxide is needed to the spore production of Bacillus Anthracis
F ( t is needed for capsule production)
Capsule is a virulence factor of the agent of anthrax
T
CO2 is needed for the spore formation of the agent of anthrax
F (oxygen is needed)
Pigs are more susceptible to anthrax than sheep
F (pigs are less susceptible)
Oedema factor is a virulence factor of the agent of anthrax.
T
Human anthrax cannot be treated with antibiotics
F
Inactivated vaccines are used for the prevention of Anthrax
F ( live vaccine)
Only herbivorous animals can show clinical signs of Anthrax
F
The spore of Bacillus anthracis can survive several decades in the soil
T
Bacillus Anthracis cannot produce spores in the infected animals
T
Dogs are more susceptible to Bacillus Anthracis than sheep
F
Europe is already free from anthrax
F
Anthrax cannot be seen in Europe anymore
F
Capsule is a virulence factor of B. anthracis
T
Cattle are infected with B. anthracis mainly from the soil
T
Pigs are more susceptible to anthracis than sheep
F
Anthrax is a per-acute or acute diseases in cattle
T
Colic is a typical clinical sign of anthrax in horses
T (colic, fever, oedema)
Anthrax can be diagnosed with microscopic examination of blood
T
Inactivated vaccines are used for the prevention of anthrax
F (live vaccine)
Bacillus anthracis main virulence factor is in the capsule
T
The oedema factor is an important virulence factor in bacillus anthracis
T
Bacillus anthracis spores: after 1 hour of boiling they are still alive.
T , f??
Bacillus anthracis makes spores only without oxygen
F
Anthrax important symptom is high fever
T
If the animals have Anthrax and they have a fever, you have to vaccinate them immediately
F
For anthrax we use inactive vaccine
F (live vaccine)
Humans infected with Anthrax, primarily per os
F (aerosol or wound infection)
Bacillus anthracis, herbivores are especially susceptible
T
Bacillus anthracis is not in pig
F ( pigs are less susceptible)
Anthrax spreads rapidly in a herd
F
Bacillus anthracis is in the soil.
T
In anthrax, tracheitis common in carnivores
F
Anthrax causes necrotic foci in liver
F
Anthrax diagnosis with blood/staining
T
Anthrax cannot occur in dogs and cats
F ( ruminants, horse, dog, cat, human, swine)
The agent of anthrax can infect only herbivorous animals
F
The agent of anthrax is not spreading from animal to animal.
T
There is a septicaemia in cattle in the case of anthrax
T
Anthrax is caused by Bacillus bovine
F (Bacillus anthracis)
The capsule of the agent of anthrax is polypeptide
T, F??
primarily composed of a complex sugar called poly-D-glutamic acid (PDGA), not a polypeptide??
Anaerobic conditions are needed to the spore formation of the agent of anthrax
F
Pigs are the most susceptible animals to the agent of anthrax
F ( less susceptible)
Animals showing clinical signs of anthrax are not allowed to be treated with antibiotics
F
Only capsulated strains of Bacillus anthracis can cause anthrax
T
Oedema factor and lethal factor are important virulence factors of Bacillus anthracis
T
The clinical signs of anthrax in pigs are more severe than in cattle
F
Dogs and cats are resistant against the agent of anthrax
F
Only capsulated strain of B. anthracis is virulent
T
Toxin is a virulence factor of B. anthracis.
T
Lethal factor is a virulence factor of B. anthracis
T
Cell wall antigen is a virulence factor of B. anthracis
F (Only capsulated strain)
Oxygen is needed to the spore production of B. anthracis
T
Spore is a virulence factor of B. anthracis
F
B. anthracis can cause blackleg
F
Anthrax is generally seen as a chronic disease in cattle
F
In case of anthrax, febrile animals have to be separated and vaccinated.
F
Animals with anthrax can be treated with penicillin
T ( also tetracyclines, fluoroquinolones)
Anthrax spreads rapidly in a herd from animal to animal
F
B. anthracis can only be diagnosed by bacterial culture
F
B. anthracis can only be diagnosed by Ascoli test
F
Animals suspected of being infected with anthrax should be vaccinated
F
Animals infected with anthrax should be treated with antibiotics.
T
Virulence factors of anthrax: capsule, toxin, protective antigen
T
- capsule
- toxin
- oedema factor
- lethal factor
- protective antigen
Virulence factors of anthrax: capsule, toxin, cilia
F
- capsule
- toxin
- oedema factor
- lethal factor
- protective antigen
Virulence factors of anthrax: capsule, toxin, oedema factor
T
- capsule
- toxin
- oedema factor
- lethal factor
- protective antigen
Virulence factors of anthrax: capsule, toxin, cell wall antigen
F
- capsule
- toxin
- oedema factor
- lethal factor
- protective antigen
Anthrax is an epidemic disease that rapidly develops
F
Anthrax is a quickly spreading, contagious infectious disease
F
For lab examination of Anthrax you always have to send a spleen sample
F
Animals can only be infected by anthrax on the pasture
F
Sheep, cattle, and goats are the most sensitive animals to anthrax infection.
T
Flagella is a virulence factor of B. anthracis
F
Anthrax spore is a virulence factor.
F
The source of anthrax infection on animals is generally the soil.
T
Anthrax appears generally in the form of a local infection in pigs
T
Fever is a typical sign of acute anthrax
T
Anthrax can be prevented by using a live vaccine.
T
Europe is free from Anthrax
F
Anthrax is caused by Clostridium chauvoei
F (Bacillus anthracis)
Anthrax is not spreading from animal to animal
T
Horses are resistant to anthrax
F
Anthrax is an epidemic disease that rapidly develops
F
Ruminants are the most sensitive to anthrax.
T
Animals suffering from anthrax should be treated with antibiotics and hyperimmune sera,
they should not be slaughtered
T
Causative agent of anthrax is spore-forming bacterium in air
T
Anthrax spreads in a herd by direct contact
F
In order to diagnose anthrax all carcasses have to be dissected
F
Anthrax is an acute disease in cattle with high fever
T
Swine is highly susceptible in anthrax
F (less)
Splenic fever causes suffocation.
T
Splenic fever in cattle is a per-acute/acute disease
T
Splenic fever is similar in every species
F
Swine anthrax is generally seen in the form of local lesions
T
Carnivorous animals are resistant to Bacillus anthracis.
F
Incomplete clotting of the blood is a post mortem lesion of anthrax
T
Fibrinous pneumonia is a common post mortem lesion of anthrax
F
Animals showing clinical signs of anthrax have to be treated with antibiotics immediately
T
Horses are more susceptible to Bacillus anthracis than pig
T
Only vaccinated animals are allowed to graze on pastures infected with Bacillus anthracis.
F
Gastric juice can kill Bacillus anthracis in the meat, so per os infection does not occur in
humans.
F
