Parasitology II Final

In order to be considered effective, what percentage of a parasite population must a drug reduce?

Leishmania is spread via what vector?

• Mosquitoes

• Sandflies

• Ticks

• Midges

What is the heartworm pre-patent period?

Foxhounds are known to have what disease?

What is the whip worm of pigs called?

Heartworm infection rates in cats are usually what percentage that of dogs?

Dog and cat feces can be safely composted.

• True

• False

What is a good drug to use on a dog that has a cystoisospora infection?

What is the best way to look for motile trophozoites on a wet mount?

• Fecal float

• Direct smear

• Baermann funnel

• Sedimentation

Microfilariae must pass through a mosquito in order to develop into adults

• True

• False

It is possible to get pinworms from a dog.

• True

• False

Sarcocystis neurona is contagious between horses.

• True

• False

Hygiene and cleanliness are one of the keys to preventing parasitic infections in pigs.

• True

• False

What is the drug of choice for treatment of equine piroplasmosis?

Pregnant women should not own cats because the risk is too high that they will be infected with Toxoplasma gondii.

• True

• False

Which drug is the only labeled heartworm adulticide?

You have an ill dog that you suspect has Rocky Mountain Spotted Fever. The tests all come back negative though. Should you go ahead and treat anyway?

• Yes, start treatment

• No, wait until tests are positive

How should localized demodectic mange be treated?

• Ivermectin

• It should be left alone

• Selemectin

You drive out to a ranch to see a young foal that is coughing and having difficulty breathing. What is a likely cause?

Deer serve as the reservoir for F. hepatica

• True

• False

Which organism causes "milk spots" on the liver of swine?

Melarsomine can be used in cats

• True

• False

Wild rabbits would best be avoided if you enjoy eating undercooked meat because they can be infected with Trichinella.

• Yes, all wild animals serve as hosts.

• Not likely, Trichinella only lives infects carnivores

AMDUCA applies to EPA registered products.

• True

• False

Ixodes scapularis carry Lyme disease in Oklahoma

• True

• False

Cryptosporidium is a common finding in young dairy cattle

• True

• False

In order to have a positive heartworm Snap test, what is needed?

• Mature worms of both sexes

• Mature female worms

• Microfilariae

• Mature male worms

Two very well dressed men come into your clinic with a very tiny Shih-tzu named "Precious". As the one man adjusts his D&G sunglasses and tucks his cashmere scarf back into his pea coat, the other man places Precious on the exam table with a flourish. "Oooh Girl! You are lookin' so under the weather. Fix her!" cries the one man as he puts his hands up to his abnormally perfect face (I mean no pores, no wrinkles, no imperfections).  After some testing you find that precious has Giardia. These clients obviously have HIV and you should probably tell them that Precious should be put own, for their own safety.

• You are a bigot. You don't even know they are gay. Judge much? Also not all (or even most) gay people have HIV. Immunocompromised clients can own pets safely if they take precautions.

• Absolutely. Gay people are usually heavily contaminated with HIV and crypto would do them in. And these guys are super gay, so they must have an especially high dose of AIDS.

Which is correct?

• Tabanus=Deer Fly

• Simulium=No-see-um

• Haematobia irritans=Horn Fly

• Somoxys calcitrans= Black Fly

Monensin can be used to treat Eimeria in horses.

• True

• False

Ostertagia ostertagii causes disease how?

• Migration of juveniles

• Destruction of gastric glands by larvae

• Feeding adults

• Liver condemnation

What is the only acaricidal drug that also repels ticks?

Which mite causes "walking dandruff"?

• Sarcoptes scabei

• Demodex

• Cheyletiella

• Psoroptes

• Notoedres

FAMACHA work only for Haemonchus infections.

• True

• False

Which fly causes"Sweet Itch" in horses?

• Simulium

• Culicoides

• Tabanus

• Chrysops

Tritrichomonas foetus resides where in carrier animals?

• Crypts of penis in older bulls

• Vaginal vault of cows

• Testes of bulls

• Clitoral fossa

Which egg count uses Eggs Per Gram?

• McMaster's

• Wisconsin Sugar Flotation

• FECRT

Broadcasting acaricides in the environment is an effective way of controlling ticks.

• True

• False

Cyathostomes are most resistant to what drug?

• Fenbendazole

• Ivermectin

• Pyrantel

• Albendazole

A fecal loop provides enough of a sample to run a proper fecal float.

• True

• False

Collies can be safely given low dose ivermectin.

• True

• False

What kind of drug is Melarsomine?

• Macrolide

• Benzimidazole

• Aresenical

• Iodiphore

Babesia gibsoni and Cytauxzoon felis can both be treated how?

• Atovaquone/azithromycin

• Immidocarb

• Ponazuril/decoquinate

• Ivermectin

Type I Ostertagiasis occurs when in the North?

• January-April

• May-September

Type I Ostertagiasis occurs when in the South?

• January-April

• August-November

The extra-intestinal phase of Toxoplasma gondii is when cats are shedding the most organism and should be quarantined.

• True

• False

What organism comes to mind when you hear the words "Raccoon Roundworm"?

Which parasite causes the most problems in cattle?