Deck 5

Question 1

Division of media used for cell culture

Answer 1

Liquid and solid

Question 2

In blocking ELISA positive result is:

Answer 2

no colour

Question 3

Give an example of facultative pathogens:

Answer 3

Bacteria: Salmonella, Staphylococcus spp., Listeria spp., Pseudomonas aeruginosa

Question 4

Animal notifiable diseases are reported to:

Answer 4

World organisation for animal health

Question 5

What are the stages of epizootic process?

Answer 5

Interepizootic
Preepizootic
Ascending
Culmination
Descending
Postepizootic

Question 6

What is epizootiological triad?

Answer 6

Animal population, etiological agents and environmental factors

Question 7

What is an abortive infection?

Answer 7

Infection that disappears after prodromal period

Question 8

Who can enter biosafety 3 laboratories?

Answer 8

Authorized staff only, and their stay is controlled and restricted to necessary time

Question 9

List 3 methods alternative to use of living laboratory animals:

Answer 9

Chorioallantoic membrane (bird embryos and associated tissues)
Cell cultures
Tissue cultures
Organoids
Yeasts
Computer simulations

Question 10

What are disadvantages of the chorioallantoic membrane method?

Answer 10

Physiology of mammals can be different to that of birds, some avian reagents are hard to obtain, vasculogenesis

Question 11

What does confluence describe in the context of cell cultures?

Answer 11

Proliferation under the appropriate conditions until they occupy all the available substrate

Question 12

Sabourad’s glucose agar is used for cultivation of:

Answer 12

Yeasts

Question 13

PCR methods are used for:

Answer 13

Direct detection of pathogen

Question 14

Cytopathic effect is:

Answer 14

Destruction of the cells after virus inoculation

Question 15

What are the main reagents in ELISA?

Answer 15

Antigen
Antibody
Enzyme
Chromogen

Question 16

Explain the term ‘‘acquire specific active natural immunity’’:

Answer 16

Immunity acquired after infection

Question 17

Explain the term ‘‘acquire specific passive natural immunity’’:

Answer 17

Immunity acquired via colostrum, transplacental

Question 18

Explain the term ‘‘acquire specific passive artificial immunity’’:

Answer 18

Immunity acquired through hyperimmune serum

Question 19

Stages of epizootic process are:

Answer 19

Apparent
Inapparent
Latent

Question 20

Grades of epizootic process are:

Answer 20

Interepizootic
Preepizootic
Ascendent
Culmination
Descended
Postepizootic

Question 21

Primary source of infectious diseases is:

Answer 21

Where the etiological agent survives and multiplies (animal, human, vector etc.)

Question 22

Secondary source of infectious diseases is:

Answer 22

Where the etiological agent survives but does not replicate

Question 24

Abortive infection is:

Answer 24

Infection disappearing after the prodromal period

Question 25

Molecular epizootiology is based on knowledge from:

Answer 25

Epizootiology and molecular biology

Question 26

Hazard in epidemiology is defined as:

Answer 26

Set of circumstances that could lead to harm, such as presence of pathogens, inappropriate storing of food, chemicals, electricity

Question 27

Descriptive methods in epizootiology is based on:

Answer 27

Collection, compilation and processing results of diagnostic activities

Question 28

Analytical methods in epizootiology are based on:

Answer 28

Evaluation of the true epizootiological situation and decision for epizootiological strategy, programs and measures

Question 29

Pandemic/panzootic diseases occur in:

Answer 29

limited time in UNlimited area

Question 30

Epidemic/epizootic diseases occur in:

Answer 30

Limited time, limited area