African Swine Fever

Self Evaluation

1. In what type of cells does primary replication of the ASFV occur?
a. Epithelial cells of the pharynx and tonsils.
b. Monocytes-macrophages.
c. Red corpuscles.
d. Endothelial cells.
e. Purkinje cells.

2. What type of haemotological alterations are characteristic of ASF?
a. Haemorrhaging, neutropenia and thrombocytopenia.
b. Haemorrhaging and lymphocytosis.
c. Disseminated intravascular coagulation and thrombocytosis.
d. Haemorrhaging, lymphopenia and thrombocytopenia.
e. Neutrophilia and haemorrhaging.

3. Relate the immediate cause and effect in the following table:
a. ASFV in the medulla ossium. 1. Apoptosis lymphocytes.
b. Release of monokines in the monocytes-macrophages. 2. Lymphopenia.
c. Diffused coagulation in the spleen. 3. Splenic infarction.
d. Increased number of lymphocytes in apoptosis. 4. Acute thrombocytopenia.

4. Which organs would you examine first to determine the presence of ASF?

a. Renal lymphatic, gastrohepatic and submandibular ganglia.
b. Kidney, spleen and lungs.
c. Ileocaecal valve and mesenteric ganglia.
d. Skin and mucosae.
e. Liver and spleen.

5. Place the following diseases in decreasing order of similarity to ASF:
a. Aujeszky's disease.
b. Erysipelas.
c. Classical swine fever.
d. Nephropatic-Dermatitis Syndrome.
e. Acute Salmonellosis.

6. How does African Swine Fever usually enter a free country?
a. Via carriers.
b. Ornithodorus.
c. Via infected pigs.
d. In food waste.
e. Wild boar.

7. The ASF virus is classified within the family:
a. Poxviridae.
b. Iridoviridae.
c. Asfarviridae.
d. Coronaviridae.
e. Arteriviridae.

8. The vaccine against African Swine Fever is:
a. Inactivated.
b. Obtained from a modified live virus.
c. Recombinant.
d. Attenuated and inactivated.
e. There is no vaccine against ASF.

9. The Reference technique for virological diagnosis of African Swine Fever is:
a. Complement fixation.
b. Electronic microscopy.
d. Haemadsorption.
e. PCR.

10. Which "screening" technique is used in ASF epidemiology surveillance?.
a. Direct Immunofluoresence.
b. PCR.
c. Immunoblotting.
d. Indirect Immunofluorescence.

11. African swine fever is considered in Europe as:
a. An exotic disease with low importance.
b. An exotic disease with mandatory notification and huge economic impact.
c. A sporadic disease that cause frequent outbreaks every two or three years in EU.
d. A mandatory notifiable disease, present in most countries of American continent.
e. An endemic disease in many countries of EU.