Class Clicker Questions for Exam 2 Flashcards by Rachel Wisnoski

The study of virus evolution using genome sequence data is known as

a. Metagenomics
b. Phylogenetics
c. PCR
d. Microarray

b. Phylogenetics

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Acyclovir is a prodrug

a. True
b. False

a. True

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ZDV-triphosphate competes with dGTP for Reverse Transcriptase

a. True
b. False

b. False

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Vaccines produced by serial passage of viruses in hetrologous hosts is a _______ vaccine

a. Live Attenuated
b. Killed
c. Subunit

a. Live Attenuated

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Quarantine and Isolation have the same meaning

a. True
b. False

b. False

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Autoclaving is primarily considered as a method of ________

a. Disinfection
b. Sterilization
c. Antisepsis

b. Sterilization

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Poxviruses are DNA viruses, therefore, predominantly replicate in the nucleus of host cell

a. True
b. False

b. False

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Enveloped Poxviruses are very fragile in the environment?

a. True
b. False

b. False

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Cowpox causes disease in which one of the following species?

a. Cows
b. Humans
c. Cats
d. All of the Above

d. All of the Above

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Pseudocowpox is Zoonotic

a. True
b. False

a. True

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ORF is caused by

a. Orthopoxviruses
b. Parapoxviruses

b. Parapoxviruses

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It is recommended not to use a vaccine on a farm that does not have a problem with ORF

a. True
b. False

a. True

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In endemic areas, Pregnant ewes should not be vaccinated against ORF

a. True
b. False

b. False

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Sheep Pox and Goat Pox cannot be distinguished from each other with serological techniques

a. True
b. False

a. True

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Sheep Pox Virus is commonly transmitted by

a. Mechanical transmission by arthropods
b. Aerosol route
c. Skin injury
d. Direct contact with contaminated object

b. Aerosol route

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In Sheep Pox, Pox Lesions appear only on the skin

a. True
b. False

b. False

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Which one of the following plays an important role in transmission of swinepox virus?

a. Ticks
b. Lice
c. Flies
d. Mosquitoes

b. Lice

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The dry form of Avipoxvirus is more fatal to birds than the wet form

a. True
b. False

b. False

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Which one of the following is not a common clinical lesion associated with Ulcerative Dermatosis of Sheep?

a. Ulceration of the vulva
b. Ulceration in leg
c. Ulcers in penis
d. Ulcers in pharynx

d. Ulcers in pharynx

What type of inclusion bodies would you encounter in host cells infected with poxvirus?

a. Negri bodies
b. Owl’s eye bodies
c. Guarnieri bodies

c. Guarnieri bodies

Which one of the following poxviruses do not multiply in chicken embryo?

a. Orthopoxviruses
b. Parapoxviruses
c. Capripoxviruses
d. Avipoxviruses

b. Parapoxviruses

Which one of the following virus has trumpet like structures protruding out of the capsid?

a. Porcine circovirus type- 1
b. Psittacine beak and feather disease virus
c. Chicken infectious anemia virus

c. Chicken infectious anemia virus

Which one of the following viruses causes PMWS in pigs?

a. Porcine circovirus-1
b. Porcine circovirus-2

b. Porcine circovirus-2

Which one of the following is not a common site for replication of chicken infectious anemia virus?

a. Bone Marrow
b. Spleen
c. Thymus
d. Kidney

d. Kidney

Herpesviruses are stable in dry environment a. True b. False

b. False

Alpha-herpesviruses replicate slowly a. True b. False

b. False

How can you differentiate “pink eye” from typical ocular disease caused by bovine herpesvirus-1 a. Corneal ulceration is usually not seen in BHV-1 b. Corneal edema is not seen in BHV-1 c. Conjunctivitis is usually not seen in BHV-1

a. Corneal ulceration is

Pseudo-lumpy skin disease is caused by a. Capripoxvirus b. Bovine herpesvirus-1 c. Bovine herpesvirus-2 d. Bovine herpesvirus-3

c. Bovine herpesvirus-2

Which one of the following species is considered as the primary host of Pseudorabies a. Dogs b. Cattle c. Horse d. Pigs

d. Pigs

In EHV-1 infection of pregnant mares, majority of cases of abortion are usually seen during the first trimester of pregnancy a. True b. False

b. False

In-utero infection with canine herpesvirus-1 usually results in birth of puppies that survive with neurological disorders a. True b. False

b. False

Feline herpesvirus-1 crosses the placenta and causes abortion in infected queen cats a. True b. False

b. False

Marek’s disease is caused by Gallid Herpesvirus-1 a. True b. False

b. False

Which one of the following species is considered as the common inapparent carrier of MCF virus a. Sheep b. Cattle c. Pig d. Horse

a. Sheep

African Swine Fever is a notifiable disease a. True b. False

a. True

ASF virus is the only known DNA arbovirus. What is the biological vector? a. Life b. Flies c. Ticks d. Mosquitoes

c. Ticks

ASF has only been reported in African countries? a. True b. False

b. False

Early in-utero infection in a pregnant queen with feline panleukopenia virus normally results in birth of kittens with cerebral hypoplasia a. True b. False

b. False

Canine parvovirus-1a is a major cause of hemorrhagic enteritis in dogs in USA a. True b. False

b. False

Canine parvovirus-2 replicates in the epithelial cells at the tip of intestinal villus resulting in severe hemorrhagic enteritis a. True b. False

b. False

Porcine Parvovirus is primarily associated with _____ in pigs a. Diarrhea b. Pneumonia c. Encephalitis d. Reproductive Failure

d. Reproductive Failure

Cutaneous Papillomas in cattle is usually caused by a. Bovine Papillomavirus 1 b. Bovine Papillomavirus 2 c. Bovine Papillomavirus 3 d. Bovine Papillomavirus 4 e. Bovine Papillomavirus 5

c. Bovine Papillomavirus 3

Where would you commonly expect to see lesions in dogs infected with Papillomavirus? a. Legs b. Lower Abdomen c. Oral Cavity d. Penis and Vulva

c. Oral Cavity

Under EM, adenoviruses normally appear a. Spherical b. Cubical c. Hexagonal d. Pentagonal

c. Hexagonal

Most adenoviruses usually have wide host ranges a. True b. False

b. False

Marble Spleen Disease is caused by a. Canine adenoviruses b. Equine adenoviruses c. Avian adenoviruses d. Porcine adenoviruses

c. Avian adenoviruses