Written MCQ Flashcards
What is the principle of haemagglutination inhibition test?
If the test is positive then there is no haemagglutination because presence of Ab will inhibit the haemagglutination
What is the cytopathic effect in cell cultures?
The cytopathic effect is when an organism has the ability to cause harm to the cells and destroy them
Which medium is used for cultivation of mycobacteria:
A- Lowenstein - Jenssen
B - Hepatic agar
C - Sabourad agar -> fongi
Answer nc
Which staining methods is used for microscopic detection of brucella
A- Hematoxylin-eosin
B- Koster
C- Ziehl-Nielsen
Answer nc
In complement fixation test positive result is:
A- Hemolysis
B- No hemolysis
No hemolysis
Which is the ,,gold standard” test for laboratory diagnosis of BSE (Bovine Spongiform Encephalitis virus)?
A- Fluorescent antibody test
B- Western blott
C- Agglutination assay
Answer nc
FAO is:
A- Federative agriculture organisation
B- Food and agriculture organisation
C- Forest and agriculture organisation
Food and agriculture organisation
Forms of infectious process according to quantity of agents?
mono etiological, poly etiological, pleurisy etiological
What are grades of epizootiological process?
A- Ascending, descending
B- Preepizootic, interepizootic
C- Sporadic, enzootic, epizootic, panzootic
Sporadic, enzootic, epizootic, panzootic
Dogs and cats are born:
A- Agamaglobulinemic
B- Hypergamaglobulinemic
C- Hypogamaglobulinemic
Hypogamaglobulinemic
Causative agent of oedema diseases in pigs
E.Coli -> Toxaemic Colibacillosis
Susceptible species in mycobacterioses
A- all vertebrates including man
B- All warm-blooded mammals including man
C- All ruminants and man
Answer NC
Marek Disease is caused by:
Herpes virus 1
Which of following diseases are zoonotic
A- Mycoplasmosis
B- Swine vesicular disease
C- Canine coronaviral disease
Swine vesicular disease
Swine dysentery is caused by:
Brachyspira hyodysenteriae
Way of avian influenza transmission
A- inhalation
B- Ingestion
C- Inhalation and ingestion
Inhalation and ingestion
Rinderpest is caused by:
Morbillivirus
Aujeszky disease is always fatal for:
A- Pigs
B- Human
C- Dogs
Dogs
Reservoirs of leptospira are:
A- Pigs
B- Rodents
C- Cats
Rodents
West Nile virus is transmitted by:
A- Mosquitos
B- Ticks
C- Fleas
Mosquitos
What sample is taken for rabies diagnosis?
A- Saliva
B- Blood
C- Brain
Brain
Cytopathic effect is:
A- Genetic mutation of cell culture after virus infection
B- monolayer duplication after virus inoculation
C- Destruction of the cells after virus inoculation
Destruction of the cells after virus inoculation
Which medium is used for cultivation of salmonella?
A- MacConkey agar
B- Tween agar
C- Sabourad agar
MacConkey agar
Which methods is used for microscopic detection of fungi?
A- Native with KOH
B- Stamp
C- Dark field microscopy
Answer nc
What are the main reagents in ELISA test?
Antibody,Antigen Enzyme, Chromogen
STAMP test is used for differentiation of
A- Staph.aureus from Streptococcus uberis
B- Staph.aureus from Streptococcus intermedius
C- Streptococcus agalactiae from Streptococcus dysgalactiae
Answer nc
OIE head office is in?
A- Paris
B- Rome
C- Geneva
Paris
Division of etiological agents according to their pathogenity
Facultative, Obligatry, Apathogenic
Abortive infection is?
A- Infection causing abortion
B- Fetal infection
C- Infection disappearing after prodromal period
Infection disappearing after prodromal period
Give a example of non-contagious infectious diseases:
Blue-tongue
what disease is notifable to OIE?
A- Pullorum disease
B- Canine parvovirosis
C- Tetanus
Pullorum disease
Susceptible species to avian influenza
A- All avian species and human
B- All waterfowl
C- Birds and pigs only
All avian species and human
Brucellosis in horses is caused by:
A- Brucella bovis
B- Brucella equi
C- Brucella abortus
Brucella abortus
Way of tick encephalitis transmission
A- tick only
B- Tick and milk
C- Tick and saliva
Tick and milk
Strangles is caused by:
Streptococcus equi
Which of following disease is not zoonotic
A- Myxomatosis
B- Camel pox
C- Contagious ecthyma
Answer nc
Bluetongue is transmitted by:
A- Culicoides
B- Culicidae
C- Ixodidae
Culicoides
BVDV is caused by:
Pestivirus
Maedi and visna is:
A- Retroviral infection
B- Prion infection
C- Reoviral infection
Retroviral infection
Aujeszky diseases is always fatal for?
A- Dogs
B- Rodents
C- Swine
Dog
What are the main clinical signs of acute mastitis?
A- Normal temperature, mammary gland dysfunction, nodular changes in mammary gland parenchyma
B- Redness, swelling, fever, pain, dysfunction
C- Mammary gland atrophy
Redness, swelling, fever, pain, dysfunction
Scrapie is detected by
a) ELISA
b) PCR
c) Western blot
Western blot
Clinical signs of avian leucosis are
a) Enlarged Bursa, diffuse and nodular lymphoid tumors in organs
b) Neurological
c) Respiratory
Enlarged Bursa, diffuse and nodular lymphoid tumors in organs
Main clinical signs of strangles are:
a) Abscess in the lymph nodes of the gastrointestinal tract – diarrhea
b) Abscess in the CNS
c) Abscesses in the lymph nodes of the head and neck, yellow coloured
nasal discharge, contagious of upper respiratory tract
Abscesses in the lymph nodes of the head and neck, yellow coloured
nasal discharge, contagious of upper respiratory tract
Etiological agent of strangles:
Streptococcus equi subspecies equi
Golden standard for the detection of rabies virus is
a) ELISA
b) Immunofluorescence
c) Haemagglutination test
Immunofluorescence
Which diseases are caused by prions?
a) Kuru, Scarapie, Maedi – Visna, Bovine Spongiform Encephalopathy
b) Creuzfeld Jacob’s Disease, Scarapie, Chronic Wasting Disease, Bovine
Spongiform Encephalopathy
c) Creuzfeld Jacob’s Disease, Scarapie, Porcine polioencephalomyelitis, Bovine Spongiform Encephalopathy
Creuzfeld Jacob’s Disease, Scarapie, Chronic Wasting Disease, Bovine
Spongiform Encephalopathy
Q fever
a) Affect only birds and humans
b) Affects only ruminants
c) Is a zoonosis (infects rum and occasionally humans)
Is a zoonosis (infects rum and occasionally humans)
Clinical manifestation of Maedi Visna
a) Only neurological signs
b) Respiratory and neurological signs
c) Respiratory signs and polyarthritis
Respiratory and neurological signs
Tularemia is
a) Caused by Francisella tularensis, and not characterized by natural focality
b) Caused by Francisella tularensis, and characterized by natural focality
c) Caused by Borellia burgdonferi and characterized by natural focality
Caused by Francisella tularensis, and characterized by natural focality
Maedi Visna
a) Is caused by a retrovirus and affects sheep and only sheep
b) Is caused by a paramyxovirus and affects sheep, occasionally goats
c) Is caused by a retrovirus and affects sheep, occasionally goats
Is caused by a retrovirus and affects sheep, occasionally goats
Campylobacteriosis
a) Is a zoonosis
b) Affects only pigs and cattle
c) Affects only cattle and sheep
Is a zoonosis
Lyme disease is usually diagnosed by
a) Serology
b) Cultivation
c) PCR
Serology
African swine fever is caused by
a) Circovirus
b) Pestivirus
c) Asfavirus
c) Asfavirus
Contagious bovine pleuropneumonia is caused by
a) Mycoplasma bovis
b) Mycoplasma mycoides subsp. Mycoides
c) Pestivirus
Mycoplasma mycoides subsp. Mycoides
Rabies virus is
a) Pantropic
b) Polytropic
c) Neurotropic
Neurotropic
Clinical signs (most common) in Feline Immunodeficiency Virus infection are
a) Mostly reproductive disorders
b) Mostly neurological signs
c) Aaemia, Immunosuppression and Lymphoma associated signs
Aaemia, Immunosuppression and Lymphoma associated signs
Samples for the laboratory diagnosis of African swine fever are
a) Brain, blood, faeces
b) Liver, tonsils, lymph node, kidney
c) Tonsils, kidney, spleen, cloted blood, lymph node
Liver, tonsils, lymph node, kidney
Outcomes of Feline Leukaemia Virus infection are
a) Always a Progressive infection
b) Abortive infection and Progressive infection
c) Progressive infection, Regressive infection and Abortive infection
Progressive infection, Regressive infection and Abortive infection
Source of paratuberculosis is
a) Exhaled air from infected animals
b) Faeces of infected animals
c) Blood of infected animals
Faeces of infected animals
Leptospira spp.
a) Is mostly shed through blood
b) Are high resistant in dry conditions
c) Survives in wet conditions
Survives in wet conditions
Most common localization of ringworm lesions:
a) Around eyes, head and neck
b) Mammary gland
c) Limbs
Around eyes, head and neck
What is the causative agent of Lockjaw?
a) Streptococcus equi
b) Clostridium chauvoei
c) Clostridium tetanii
Clostridium tetanii
What is the sample for the detection of foot and mouth disease virus
a) Blood and faeces
b) Vesicle
c) Conjuctival swab
Vesicle
What is the minimum level of antibodies that correlates with
protection against rabies infection
a) 1:800 HIT
b) 0,2 IU
c) 0,5IU
0,5IU
Mucosal disease is associated with
a) African swine fever virus infection
b) Bovine viral diarrhea virus infection
c) Rinderpest
Bovine viral diarrhea virus infection
Dumb form of rabies is characterized by
a) Bleeding
b) Paralysis
c) Behavioural changes
Paralysis
Lumpy skin disease (LSD) is caused by
a) Parapoxvirus b) Herpesvirus
c) Capripoxvirus
Capripoxvirus
African horse sickness
a) Is caused by a Pestivirus, transmitted by Culicoides spp.
b) Is caused by a Orbivirus, transmitted by Culicoides spp.
c) Is caused by a Orbivirus, transmitted by Ixodes spp.
Is caused by a Orbivirus, transmitted by Culicoides spp.
What are the most common isolated bacterial pathogens from the
digestive tract of dogs?
a) Escerichia coli, Campylobacter spp., Salmonella spp., Yersinia enterocolitica
b) Bordetella bronchiseptica, Pasteurella spp., Klebsiella pneumonia, Arcanobacterium pyogenes
c) Streptococcus spp., Staphylococcus spp., Pseudomonas aeruginosa
Escerichia coli, Campylobacter spp., Salmonella spp., Yersinia enterocolitica
What are the most common bacterial agents of the digestive tract of cattle?
a) Escerichiacoli,Salmonellaspp.,Clostridiumspp.,Mycobacterium avium subsp. Paratuberculosis
b) Listeria spp., Leptospira spp., Arcanobacterium pyogenes
c) Pasteurella multocida, Manhemia haemolytica, Haemophilus somnus
Escerichiacoli,Salmonellaspp.,Clostridiumspp.,Mycobacterium avium subsp. Paratuberculosis
Herpesviruses are characterized by
a) Neurotropism only
b) Latency
c) Oncogenic transformation of the host cell
Latency
Field diagnosis of mastitis:
California mastitis test, Determination of pH
