Ectoparasites And Diseases

Fleas tend to jump from host to host.

• A.

  True

• B.

  False

What is the most commonly found flea on dogs and cats?

• A.

  Xenopsylla cheopis

• B.

  Pulex irritans

• C.

  Ctenocephalides felis

• D.

  Echidnophaga gallinacea

How many pairs of legs does a larval tick have?

When treating for fleas, it is better to treat when you see signs of fleas rather than by the calendar.

• A.

  True

• B.

  False

The majority of flea control failures are the result of what?

• A.

  Constant re-introduction of fleas

• B.

  Improper application of control product

• C.

  Flea resistance to pesticides

AMDUCA does not apply to EPA registered products

• A.

  True

• B.

  False

Pyrethroids are synthetic chemicals based on the chemistry of pyrethrins.

• A.

  True

• B.

  False

Fipronil is a tick repellent and acaricide.

• A.

  True

• B.

  False

What is the only Macrolide endectocide labeled for use against ticks?

Which product is both acaricidal as well as tick repellent?

• A.

  Fipronil

• B.

  Amitraz

• C.

  Selemectin

• D.

  Ivermectin

Rocky Mountain Spotted Fever is generally found in Rocky Mountain states.

• A.

  True

• B.

  False

Which tick species carries Lyme disease (Borrelia burgdorferi)?

• A.

  Amblyomma americanum

• B.

  Dermacentor variabilis

• C.

  Ixodes scapularis

• D.

  Haemophysallis spp.

Which tick (Genus & Species) is the main vector for Ehrlichiosis?

Which tick carries Ehrlichia canis?

Dermacentor variabilis carries what disease?

What is the organism called that causes Rocky Mountain Spotted Fever?

What tick is this?

• A.

  Ixodes scapularis

• B.

  Dermacentor variabilis

• C.

  Amblyomma americanum

What tick is this?

• A.

  Dermacentor variabilis

• B.

  Amblyomma maculatum

• C.

  Rhipicephalus sanguineus

• D.

  Otobius

What tick is this?

• A.

  Dermacentor variabilis

• B.

  Amblyomma maculatum

• C.

  Ixodes scapularis

• D.

  Dermacentor albipictus

What tick is this?

• A.

  Amblyomma maculatum

• B.

  Ixodes scapularis

• C.

  Dermacentor variabilis

Which tick is this?

• A.

  Ixodes scapularis

• B.

  Dermacentor variabilis

• C.

  Rhipicephalus sanguineus

• D.

  Amblyomma americanum

A client says that she is finding these ticks in the ears of one of her horses. What tick is this?

• A.

  Dermacentor spp

• B.

  Amblyomma americanum

• C.

  Otobius

It is almost lunch time at your clinic when a client rushes in, dragging a husky puppy behind her, and demands to see you. "I just adopted this wolf hybrid and need a Snap test run on it!" she demands."Ok, well let's take your Husky to the back and do an exam and pull some blood" you respond.She looks at you indignantly, "It's a wolf hybrid, the man I bought them from breeds his dogs to Timber Wolves. I am not even supposed to bring it to the vet because it is illegal to even own. It will probably get to be about 400 pounds."You sigh. "Well, let's get some blood." You run the Snap test and it comes up positive for Lyme disease."Oh no!" the owner cries, showing you a picture of a Basenji, "I hope my dingo doesn't catch it!"  The dog is very healthy and is showing no signs of disease, should you go ahead and treat anyway?

• A.

  Yes, it is best to treat before the dog shows signs

• B.

  No, you should only treat if there are clinical signs

When you suspect Rocky Mountain Spotted fever in a dog, it is best to treat first and confirm the diagnosis later.

• A.

  True

• B.

  False

You have a dog that is ill and you suspect Ehrlichia. Which tests should you run?

• A.

  PCR

• B.

  Antibody

• C.

  IFAT

You run a snap on a dog and it comes up positive for Lyme disease. The dog is very healthy and show no signs of disease. What do you do next?

• A.

  Run a UA to look for proteinuria

• B.

  Check a CBC for thrombocytopenia

• C.

  Send in a skin biopsy

This tick is the vector for what protozoal disease?

• A.

  Babesiosis

• B.

  Cytauxzoonosis

• C.

  Ehrlichiosis

You are in the middle of an appointment with a particularly difficult client. She has a very bad tick problem but refuses to purchase anything from you because "...all you veterinarians are price mongers! You just gouge the public and skim all the money off the top and go home and live in your mansions. You don't even really care about the animals, if you did you wouldn't charge old ladies like me to save their animals. I live on pension!" You explain to her the importance of tick control and the pricing system of the clinic. She responds that "I don't want to put chemicals on my animals. Besides, my old coon hound Zecke eats the ticks off the others and he does an ok job." What disease is Zecke at risk of developing?

• A.

  Ehrlichiosis

• B.

  American Canine Hepatozoonosis

• C.

  Blue Hair Syndrome

• D.

  Babesiosis

Rhipicephalus sanguineus is the vector for what protozoal disease of dogs?

• A.

  Babesia gibsoni

• B.

  Babesia canis

• C.

  Cytauxzoon felis

Babesia canis can be treated by using imidocarb.

• A.

  True

• B.

  False

What is one treatment option for Hepatozoonosis?

• A.

  Ponazuril for 2 weeks followed by decoquinate for years

• B.

  Imidocarb for several months

• C.

  Imidocarb for 6 months, followed by radiation therapy

• D.

  Amputation of the most severely affected limb

There is no treatment for Cytauxzoonosis and animals should be euthanized.

• A.

  True

• B.

  False

A cat that is showing clinical signs of Toxoplasmosis infection, is at risk of spreading the disease to humans.

• A.

  True

• B.

  False

Neospora caninum can be transmitted transplacentally.

• A.

  True

• B.

  False

Neosporosis is a zoonotic disease.

• A.

  True

• B.

  False

An owner brings in his Foxhound that has chronic skin lesions that have not responded to treatment. What is the first disease you think of?

• A.

  Leishmaniasis

• B.

  Toxoplasmosis

• C.

  Allopurinolosis

• D.

  Pemphigus

"Doc, I adopted this dog from the shelter about 2 weeks ago and he has just been scratching himself raw since day one! Please help!"

• A.

  Ew.

• B.

  Not only is this not a dog, but we should do a skin scraping.

• C.

  Steroids! Dear God it needs steroids!

• D.

  ...Which shelter?

You do a skin scraping on a dog that you suspect has mange. The scraping comes up negative. Is it ok to go ahead and put it on steroids to help with the itching?

• A.

  Yes

• B.

  No

Which of the following are acceptable options for elimination of sarcoptic mange in dogs?

• A.

  Avermectins

• B.

  Amitraz

• C.

  Fipronil

• D.

  Pyrantel

Demodex mites are a normal resident of dog skin.

• A.

  True

• B.

  False

How should localized demodectic mange be treated?

• A.

  No treatment needed, it is self limiting.

• B.

  Amitraz

• C.

  Steroids to help with itching until it clears itself

• D.

  Fipronil

A very rich client brings in her prized Brussels Griffon. The dog is very itchy and has generalized alopecia and thickening of the skin. You do a skin scraping and find demodex mites. You tell the client you will need to prescribe antibiotics as well as long term treatment for the mites. The owner wants to continue breeding the dog since it is her main breeding bitch. Is this a good idea?

• A.

  Yes

• B.

  No

Your client brings in a very young kitten that has severe black, grainy discharge from both ears. You look at it under the microscope and discover Otodectes mites. The owner is concerned because her daughter sleeps with the kitten every night. Is there danger of the daughter getting the mites as well?

• A.

  It is likely

• B.

  Not very likely

Cheyletiella mites commonly re-infest animals if the environment is not treated.

• A.

  True

• B.

  False

What is a colloquial name for Cheyletiella infestation?