Ectoparasites And Diseases

1.
"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!"

Ew.

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

Steroids! Dear God it needs steroids!

...Which shelter?

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

Xenopsylla cheopis

Pulex irritans

Ctenocephalides felis

Echidnophaga gallinacea

3. Pyrethroids are synthetic chemicals based on the chemistry of pyrethrins.

True

False

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

Babesia gibsoni

Babesia canis

Cytauxzoon felis

B. gibsoni is transmitted via bite wounds in the USA. Cytauxzoon is a feline disease.

Explanation

B. gibsoni is transmitted via bite wounds in the USA. Cytauxzoon is a feline disease.

5.
A client says that she is finding these ticks in the ears of one of her horses. What tick is this?

Dermacentor spp

Amblyomma americanum

Otobius

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

True

False

Submit

9.
Which tick is this?

Ixodes scapularis

Dermacentor variabilis

Rhipicephalus sanguineus

Amblyomma americanum

R. sanguineus has short mouth parts and an angled basis capituli

Explanation

R. sanguineus has short mouth parts and an angled basis capituli

Submit

11. 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?

Yes

No

Heat cycles can trigger outbreaks of demodectic mange.

Explanation

Heat cycles can trigger outbreaks of demodectic mange.

12. 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?

It is likely

Not very likely

13. Demodex mites are a normal resident of dog skin.

True

False

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

True

False

Flea preventative should be applied every calendar month to ensure control.

Explanation

Flea preventative should be applied every calendar month to ensure control.

15. Babesia canis can be treated by using imidocarb.

True

False

16. Neospora caninum can be transmitted transplacentally.

True

False

17. Which tick species carries Lyme disease (Borrelia burgdorferi)?

Amblyomma americanum

Dermacentor variabilis

Ixodes scapularis

Haemophysallis spp.

18.
What tick is this?

Ixodes scapularis

Dermacentor variabilis

Amblyomma americanum

A. americanum have very long mouthparts, and the females have a single white spot on their scutum.

Explanation

A. americanum have very long mouthparts, and the females have a single white spot on their scutum.

Submit

21. 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?

Leishmaniasis

Toxoplasmosis

Allopurinolosis

Pemphigus

Submit

23. 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?

Yes

No

24.
What tick is this?

Dermacentor variabilis

Amblyomma maculatum

Ixodes scapularis

Dermacentor albipictus

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

True

False

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

True

False

RMSF is found mainly in South Central, Southeastern, and Mid-Atlantic states.

Explanation

RMSF is found mainly in South Central, Southeastern, and Mid-Atlantic states.

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

True

False

Submit

29. Neosporosis is a zoonotic disease.

True

False

30. AMDUCA does not apply to EPA registered products

True

False

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

Constant re-introduction of fleas

Improper application of control product

Flea resistance to pesticides

32.
What tick is this?

Amblyomma maculatum

Ixodes scapularis

Dermacentor variabilis

D.variabilis has short mouthparts and a "marbled" scutum

Explanation

D.variabilis has short mouthparts and a "marbled" scutum

33. 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?

Ehrlichiosis

American Canine Hepatozoonosis

Blue Hair Syndrome

Babesiosis

34. Fipronil is a tick repellent and acaricide.

True

False

Fipronil is only an acaricide, it does not repel ticks.

Explanation

Fipronil is only an acaricide, it does not repel ticks.

35. What is one treatment option for Hepatozoonosis?

Ponazuril for 2 weeks followed by decoquinate for years

Imidocarb for several months

Imidocarb for 6 months, followed by radiation therapy

Amputation of the most severely affected limb

36. 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?

Run a UA to look for proteinuria

Check a CBC for thrombocytopenia

Send in a skin biopsy

Lyme disease can cause Lyme Nephropathy and this can be detected by the presence of protein in the urine.

Explanation

Lyme disease can cause Lyme Nephropathy and this can be detected by the presence of protein in the urine.

37. 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?

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

No, you should only treat if there are clinical signs

38. Fleas tend to jump from host to host.

True

False

Fleas usually stay on one host for the majority of their adult lives.

Explanation

Fleas usually stay on one host for the majority of their adult lives.

39.
What tick is this?

Dermacentor variabilis

Amblyomma maculatum

Rhipicephalus sanguineus

Otobius

A. maculatum has long mouthparts and a "marbled" looking pattern on the scutum. It can be told apart from D. variabilis by the mouthparts.

Explanation

A. maculatum has long mouthparts and a "marbled" looking pattern on the scutum. It can be told apart from D. variabilis by the mouthparts.

40. How should localized demodectic mange be treated?

No treatment needed, it is self limiting.

Amitraz

Steroids to help with itching until it clears itself

Fipronil

41. Which product is both acaricidal as well as tick repellent?

Fipronil

Amitraz

Selemectin

Ivermectin

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

True

False

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

PCR

Antibody

IFAT

Submit

44.
This tick is the vector for what protozoal disease?

Babesiosis

Cytauxzoonosis

Ehrlichiosis

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

Avermectins

Amitraz

Fipronil

Pyrantel

Fipronil can be used on non-affected animals to prevent them getting the mange, but it is not useful in treating already infected animals. Pyrantel is for nematodes only.

Explanation

Fipronil can be used on non-affected animals to prevent them getting the mange, but it is not useful in treating already infected animals. Pyrantel is for nematodes only.

Submit

Ectoparasites and Diseases

1. "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!"

2.

What first name or nickname would you like us to use?

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

3. Pyrethroids are synthetic chemicals based on the chemistry of pyrethrins.

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

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

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

7. How many pairs of legs does a larval tick have?

8. Dermacentor variabilis carries what disease?

9. Which tick is this?

10. What is a colloquial name for Cheyletiella infestation?

13. Demodex mites are a normal resident of dog skin.

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

15. Babesia canis can be treated by using imidocarb.

16. Neospora caninum can be transmitted transplacentally.

17. Which tick species carries Lyme disease (Borrelia burgdorferi)?

18. What tick is this?

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

20. Which tick carries Ehrlichia canis?

21. 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?

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

23. 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?

24. What tick is this?

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

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

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

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

29. Neosporosis is a zoonotic disease.

30. AMDUCA does not apply to EPA registered products

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

32. What tick is this?

34. Fipronil is a tick repellent and acaricide.

35. What is one treatment option for Hepatozoonosis?

36. 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?

38. Fleas tend to jump from host to host.

39. What tick is this?

40. How should localized demodectic mange be treated?

41. Which product is both acaricidal as well as tick repellent?

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

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

44. This tick is the vector for what protozoal disease?

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

1.
"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!"

5.
A client says that she is finding these ticks in the ears of one of her horses. What tick is this?

9.
Which tick is this?

18.
What tick is this?

24.
What tick is this?

32.
What tick is this?

39.
What tick is this?

44.
This tick is the vector for what protozoal disease?