Quiz 3

Question 1

Rodents are the reservoir for this disease which is mainly significant to humans

Answer 1

Colorado tick fever virus (CTFV)

Question 2

a _______ genome makes it difficult to cross-protect against different strains of a virus

Answer 2

segmented

Question 3

The nine serotypes of this orbivirus cause an infectious but NOT contagious disease of horses, mules, and donkeys. The zebra is the natural host and reservoir. Clinical signs include diffuse pulmonary edema.

Answer 3

African horse sickness virus

Question 4

Causes infectious diseases of wildlife, sheep, alpacas, and cattle. Clinical signs may include fever, depression, lameness, edema of the tongue and head, hyperemia, abortion, and death

Answer 4

Bluetongue virus

Question 5

The _____ form of african horse sickness presents with nasal discharge

The ___ form presents as conjuctivitis

Answer 5

Peractue pulmonary

subacute cardiac

Question 6

Describe why BTV vaccines for sheep shouldn’t be given to cattle

Answer 6

concerns about amplification of virus and dissemination via Culicoides vectors

Question 7

These TYPE of viruses are species specific and are associated with diarrhea (calf scours)

Answer 7

Rotoviruses

Question 8

Negative sense single stranded RNA viruses must bring what enzyme with them to be able to replicate?

Answer 8

RNA-dependent RNA polyermase

Question 9

Infectious ________ disease virus is a virus in the family Birnaviridae which causes “Gumboro” disease which is highly immunosuppressive diesease in young chicks due to destruction of B lymphocytes and their precursors.

Answer 9

infectious bursal disease virus (IBDV)

Question 10

Name the common features of viruses included in the Mononegavirales order

Answer 10

enveloped

SS, negative sense, RNA

Question 11

formation of syncytia and intracytoplasmic, acidophilic inclusions are features of infection with these viruses

Answer 11

Paramyxoviridae

Question 12

Give one reason eradication of rinderpest was possible

Answer 12

absence of carrier animals and wildlife reservoirs

Question 13

This virus causes a condition referred to as goat plague

Answer 13

Peste des petits ruminants virus (PPRV)

Question 14

This paramyxovirus which caused acute disease in cattle with morbidity and mortality reaching 90 to 100% was considered to be globally eradicated in 2011! The virus caused enteric lesions associated with severe diarrhea.

Answer 14

Rinderpest virus

Question 15

Orbiviruses, which include African horse sickness, Bluetongue, and Epizootic hemorrhagic disease virus, are commonly spread by __________.

Answer 15

Blood sucking insects

Question 16

This virus causes a highly contagious, generalized pathogenic infection of dogs and other carnivores. In the absence of an immune response, dissemination can occur. Associated with encephalitis in older dogs and hyperkeratosis (hard nose)

Answer 16

Canine distemper virus

Question 17

This virus produces BOTH intranuclear and intracytoplasmic inclusion bodies

Answer 17

Canine distemper virus

Question 18

a zoonotic morbillivirus associated with febrile encephalitis in swine and people of malaysia

Answer 18

Nipah virus

Question 19

The most important avian paramyxovirus, classified by its tropism for specific tissues

Answer 19

Newcastle disease virus (NDV)

Question 20

Which 2 pathotypes of newcastle disease virus are associated with 100% mortality

Answer 20

Viscerotropic velogenic

Neurotropic velogenic

Question 21

Not found in the US, this disease is associated with neurologic signs and corneal opacity in young pigs

Answer 21

Blue eye disease in pigs

Question 22

These two paramyxoviruses are important members of the bovine respiratory disease complex

Answer 22

Bovine parainfluena virus 3

Bovine respiratory syncytial virus (more pathogenic)

Question 23

Infection with this virus affects the central nervous system, replicates in the salivary glands, and is transmitted by bites

Answer 23

Rabies virus

Question 24

The name of the intracytoplasmic inclusion bodies created by rabies virus

Answer 24

Negri bodies

Question 25

This rhabdovirus causes vesicular lesions in pigs, sheep, cattle, and horses; it is endemic in areas of the US and is zoonotic

Answer 25

Vesicular stomatitis virus

Question 26

this arthropod-borne viral disease of cattle and water buffalo is known as “3-day sickness” and is marked by a biphasic/polyphasic fever

Answer 26

Bovine ephemeral fever

Question 27

These virus have caused large outbreaks and have substantial epidemic potential.

Answer 27

Filoviridae

Question 28

This Mononegvirales virus is an exception in that it replicates in the nucleus. It has been described mainly in young horses and can cause fever and neurological disturbance

Answer 28

Borna disease virus

Question 29

This family of viruses contains viruses that cause influenza in people and animals.

Answer 29

Orthomyxoviridae

Question 30

New subtypes of influenza A virus emerge periodically as a result of point mutation and ___ ______

Answer 30

genetic reassortment

Question 31

Why are we most likely to see development of new influenza strains in pigs?

Answer 31

they are the reassortment host

Question 32

Referred to as fowl plague, this virus is maintained in wild bird populations and can cause respiratory distress, diarrhea, sinusitis, and lacrimation

Answer 32

Avian influenza

Question 33

This virus of swine is associated with recent introduction of pigs into a herd and is limited to the respiratory tract

Answer 33

Swine influenza

Question 34

This disease of horses is characterized by nasal discharge, dry cough, and depression. Outbreaks are associated with movement and assembly of horses. It is highly contagious.

Answer 34

Equine influenza

Question 35

Name the 4 viruses included in Mononegvirales

Answer 35

Paramyxoviridae
Rhabdoviridae
Filoviridae
Bornaviridae