PID Exam 2

A virus that has crossed the epithelium to the subepithelium of a host tissue is considered to be a systemic infection

The transplacental route of infection affects animals in the

In bursal disease, the virus causes a severe deficiency of B lymphocytes leading to

Which are differences between cellular lysis and apoptosis

Nematodes can be free-living and do not require a host for long-term success

What is derived from lipid bilayer of a host cell

Which organization is responsible for viral taxonomy

The protein coating and genome of the virus is known as the

Symptomatic infection of the hematopoeitic system can result in

A patient presents with patchy reddening of the skin that feels smooth to the touch. This is describing _____

Some viruses can cause cancer

Viruses reproduce by

Host in which parasite doesn't develop, transport

Which of the following match with ELISA and PCR respectively

Which describes the subepithelium

Which of the following are methods of attachment for parasites

All viruses are enveloped in a layer of lipids

Which of the following is true of the trematode

Which of the following may not cause any apparent change to the host cell

Monocytes can cross blood brain barrier

Attachment-> uncoating->penetration -> synthesis of viral nucleic acids and protein-> assembly and maturation -> release

A nodule is a solid, elevated growth that is isolated to the top layer of the skin

The spikes present on the outside of the viral envelope are the

Host in which a larval or immature stage of the helminth develops before becoming infective to the final host

A parasite will mature in the intermediate host before infecting the definitive host where it completes maturation

All neurotropic viruses are viruses that cause neurological symptoms in the host

Protozoa are __

Which of the following are classified as insects

Arachnids are divided into two parts (cephalothorax and abdomen) and possess antennae

During the last phase of the viral replication cycle, viral nucleic acids are released and the host cell may lyse

Distemper initially replicates in tissue of the respiratory tract and will progress to cause neurologic signs. It is ___

A capsid is composed of _____ held together by _____

Primary viremia can only occur after a virus has crossed the epithelium and subepithelium

Translocation of viral nucleic acids from the lumen of the stomach to the blood stream is an example of

The tapeworm is an example of a cestode

Which of the following is correctly matched to it's definition

Shown below is the rabies virus which is an example of a _____ shaped

A virus that is exclusively enterotropic is most likely to cause

Viruses are non-living entities and always contain a capsid

Which of the following methods of locomotion are utilized by the protozoa

Movement of the virus from the subepithelium to the blood vessels results in

Which of the following is true of cestodes

What is happening in the second step (picture) shown below

Nematodes, cestodes and protozoa represents examples of

Some parasites can be transmitted from mother to neonate via the colostrum

The paratenic host harbors the adult or sexual stage of the parasite

Small distinct elevation with fluid

What is occurring between the second and third pictures shown here

Infection of the hematopoeitic system can result in damage to the endothelium

Which of the following is an important factor in a parasites pathogenesis and virulence

Which of the following results from viral infection of the CNS

Factors that influence a parasites pathogenesis and virulence

Routes of entry into mucous membrane

The ability of viruses to alter their shape is known as

Ectoparasites are often transmitted via the fecal-oral route

Disseminated is if infection spreads beyond the primary site; Systemic is if a number of organs or tissues are infected

Which of the following is not a possible host outcome following viral exposure

Arachnids possess three sets of legs as larvae, but have four sets of legs in the nymph/adult stages

If the LD50 of a drug is 800mg/kg within a species, a drug 400mg/kg dose will be less lethal

Shown in the image is an example of a

An avirulent virus can cause morbidity of the host, but cannot be spread to other organisms

Which of the following are examples of zoonoses

In this step, nucleic acids replicate and are released from the cell to the ECM to mature before infecting a new cell

Veterinary virology is important because

Which of the following describes a non-fluid filled outcome of viral injury to the skin

Can harbor the larval stage of a parasite

Viruses contain a membrane bound nucleic acid genome but lack standard organelles

A dog presents ill with an unknown history. Extensive PCR testing reveals viral titers 24x over the reference range