Paramyxoviridae & Filoviridae

Question 1

The World of Animal Health aims to achieve to completely eradicate this disease affecting sheep and goats around the world by 2030

Answer 1

Pesti de petit ruminants (PPR)

Question 2

True or False. PPR viruses have only one serotype, do not have carrier or reservoir aside from small ruminants.

Answer 2

True.

Question 3

Causative agent of Newcastle disease

Answer 3

APMV 1

Question 4

Give 2 OIE listed dss from Genus Morbillivirus

Answer 4

1. Peste-des-petits-ruminants virus
2. Rinderpest virus

Question 5

Give 5 OIE listed disease from Family Paramyxoviridae

Answer 5

1. NDV
2. Hendra virus
3. Nipah virus
4. PPR
5. Rinderpest

Question 6

Which genus of family paramyxoviridae does not have hemagglutinin protein antigenic property?

Answer 6

Pneumovirus

Question 7

Which genus of family Paramyxoviridae do not gave neuraminidase protein antigenic property?

Answer 7

Morbillivirus, Pneumovirus

Question 8

network of rbc’s and viruses formed due to HA protein

Answer 8

Hemagglutination

Question 9

occurs when virus detaches from rbc’s due to neuraminadase (NA) protein enzymes by breaking the contact of rbc and HA protein

Answer 9

Elution

Question 10

True or False. Paramyxoviridae are monotypic, which means , antibodies against one virus strain can neutralize all strains of the same species

Answer 10

True.

Question 11

highly contagious disease of chickens that is characterized by respiratory distress, diarrhea, and neurological signs

Answer 11

Newcastle disease

Question 12

Give the other names for NDV

Answer 12

Ranikhet Disease, Pseudofowl Pest, Avian Pneumoencephalitis

Question 13

Severity of the disease NDV is dependent upon?

Answer 13

1. age and immune status of the birds
2. the virulence of the ND virus

Question 14

Proteins that are responsible for virus attachment to host cell and infection

Answer 14

1. hemagglutinin
2. neuraminidase
3. fusion proteins

Question 15

Which of the ND forms have high mortality and present hemorrhagic lesions in git?

Answer 15

Viscerotropic velogenic / Doyle’s form, Asiatic or Exotic ND

Question 16

Which of the ND forms have high mortality, with respiratory & neurological disease?

Answer 16

neurotropic velogenic or beach’s form

Question 17

They are less susceptible to NDV but act as carriers.

Answer 17

Sea birds

Question 18

Zoonotic transmission of NDV occurs through?

Answer 18

Exposure of handlers to infected birds or live viral vaccines

Question 19

most common route for transmission of NDV

Answer 19

aerosol respiratory infection

Question 20

True or False. NDV is spread by fomites.

Answer 20

True.

Question 21

Give the lesions of the velogenic strains of NDV.

Answer 21

1. swelling of the head
2. petechiae on the mucosa of proventriculus
3. ulceration of peyers patches
4. edema of interstitial tissue of neck

Question 22

Samples to be collected on NDV infected live birds

Answer 22

a) Oro-nasal swab
b) Cloacal swab
c) Serum

Question 23

Vaccine for NDV is administered through?

Answer 23

drinking water, as aerosols

Question 24

A disease unique to Australia which killed number of horses and their trainer

Answer 24

hendra virus disease

Question 25

Reservoir hosts of Hendra virus

Answer 25

fruit bats

Question 26

these virus utilizes bats as reservoir hosts but excrete the virus through urine

Answer 26

Nipah viruses

Question 27

pathogenic effects of Nipah viruses to pigs

Answer 27

pneumonia & encephalitis

Question 27

Source of zoonotic transmission of Nipah virus in the Philippines

Answer 27

eating of undercooked carcass of sick horses

Question 28

drugs used in humans to reduce fatalities caused by Nipah viruses

Answer 28

ribavirin

Question 29

it is also known as Hard pad disease or Carre’s disease

Answer 29

Canine distemper virus disease

Question 30

2 stages of CD disease

Answer 30

1. mucosal stage 2. neurologic phase

Question 31

Recovered dogs from CD have shown this abnormalities

Answer 31

teeth abnormalities (enamel hypoplasia), hyperkeratosis

Question 32

CDV forms a viral triad with which other 2 viruses? Name them.

Answer 32

1. Rinderpest virus 2. Measles virus

Question 33

Lab test recommded by OIE for CDV confirmation

Answer 33

flourescence antibody test

Question 34

This is the first virus eradicated worldwide of veterinary importance

Answer 34

Rinderpest virus

Question 35

Give the other names of RP virus

Answer 35

CAttle plague, Contagious Bovine Typhus, Steppe Murein

Question 36

Natural hosts of RP virus

Answer 36

domesticated and wild even-toed ungulates

Question 37

route of entry of RP virus

Answer 37

inhalation