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Epizootology > Deck 7 > Flashcards

Deck 7 Flashcards

1
Q

Name methods used in epizootology:

A

Diagnostic
Descriptive
Analytical
Statistical
Experimental
Theoretical

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2
Q

Cyclozoonoses require:

A

More than 1 vertebrate host

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3
Q

Synthetic immunomodulators are:

A

Levamizole, Isoprinosone

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4
Q

Name serological methods:

A

Agglutination methods: rapid slide, commercial, tube

Complement fixation test
Virus neutralization test
Immunodiffusion
Haemagglutination test
ELISA

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5
Q

CAMP test is used for detection of:

CAMP = cyclic adenosine monophosphate

A

Streptococcus agalactie

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6
Q

For detection of antibodies we use:

A

Indirect ELISA

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7
Q

Define a polyvalent vaccine:

A

Contains 2 or more strains of the same pathogen

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8
Q

Triocomponental foci of infectious diseases are divided into:

A

Vector, interhostal, postinterhostal

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9
Q

Eradication of infectious disease means:

A

Reduction of an infectious disease’s prevalence in the global host population to zero

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10
Q

What are the rules of packaging infectious material for laboratory?

A

Rules of 3 layers
1) impermeable glass, plastic material
2) soaking material
3) outer container case

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11
Q

What are hosts of Rift valley fever?

A

Ruminants (wild and domestic), rodents, antelopes, wildebeests, human (dead-end host), african monkeys and carnivores

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12
Q

Transmission of Rift valley fever?

A

Direct and indirect, through fluids for humans (nasal discharge, blood, vaginal secretions after abortion, mosquito, meat, aerosols, milk)
Vector = mosquitos (they have vertical)

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13
Q

Hosts of blue tongue?

A

Domestic and wild ruminants (primarily sheep)

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14
Q

Division of the Newcastle disease virus strains according to their pathogenicity (virulence groups):

A

(Paramyxovirinae, Rubulavirus, genus Avulavirus)
Lentogenic - mild
Mesogenic - moderate
Velogenic - very virulent
Viscerotropic and neurotropic

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15
Q

Transmission of tularemia:

A

(F. tularensis)
Animals: direct contact or arthropods (ticks and mosquito), inhalation, food or water

Humans: direct contact or bitten by insects that have fed on animal, human to human not likely

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16
Q

Streptococcal meningitis of pigs etiological agent and hosts:

A

Streptococcus suis type 2 serogroup R
Pigs and humans

17
Q

Etiological agent and susceptible species of glanders:

A

Burkholderia mallei
Horses, donkeys, mules, humans

18
Q

Causative agent of strangles and susceptible species:

A

Streptococcus equi, horses

19
Q

Aleutian disease in minks is caused by:

A

Amdovirus, parvoviridae

20
Q

Botulism is:

A

Alimentary infection

21
Q

What is the way of packaging a liquid sample containing potentially infectious material?

A
  • Receptable
  • Absorbent material
  • Secondary packaging
  • Outer packaging of adequate strength
  • All must be leak proof
22
Q

What is the practical difference in working in BSL-3 and BSL-4?

A

In BSL-4, you need a positive pressure suit

23
Q

Rose Bengal test is used for:

A

Serological slide-agglutination for detection of the presence of antibodies against Brucella abortus

24
Q

Which enzyme is not a conventional part of PCR mix?

A

Proof reading DNA polymerase

25
Q

Susceptible species for paratuberculosis:

A

All ruminants

26
Q

Oedema disease of swine is caused by:

A

Colicobacillosis: Escherichia coli (EDEC) within the Shiga-toxin producing STEC

27
Q

Where does leptospirosa go in host?

A

Renal tubules and genital tract

28
Q

Transmission of leptospirosis:

A

Contact with urine/body fluids
Direct contact
Contaminated soil, water or food
Can persist in soil for several weeks
Human to human (rare)

29
Q

Hosts of leptospirosis:

A

All mammalian species - common:
cattle, buffalo, horses, sheep, goats, pigs, dogs, rodents (carriers)
Pigs and cattle are important for human transmission

30
Q

Causative agent for vesicular stomatitis, and 2 distinct serotypes:

A

Vesicular stomatitis virus
Rhabdoviridae
Genus Vesiculovirus
2 serotypes:
- VSV New Jersey virus
- VSV Indiana virus

Epizootology (9 decks)

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