How Animal Shelters Can Treat And Prevent Heartworm In Dogs

1. Which of the following factors contributes to the endemnicity of canine heartworm disease in the United States?

Decline in wild canid populations

Prolonged drought conditions

Relocation of microfilaremic dogs

2. Among surveyed shelters that test for heartworm disease, at what point does testing most frequently occur?

Intake

Transfer

Adoption

3. Which of the following is true regarding "slow kill" methods of adulticidal therapy?

Efficacy is dependent upon age of the heartworms.

Exercise restriction can be lifted once treatment has begun.

Pulmonary pathology is minimized.

4. How long following adulticidal therapy does the American Heartworm Society recommend activity restriction be maintained?

2-4 weeks

4-6 weeks

6-8 weeks

5. Which stages of Dirofilaria immitis development occur within the mosquito vector?

L1, L2, L3

L2, L3, L4

L3, L4, Immature adult

6. Which of the following is true regarding the toxic dose of ivermectin in dogs with mutation of the MDR-1 gene?

It is below the heartworm preventive dose of ivermectin.

It is above the endoparasiticidal dose of Ivermectin.

It is above the heartworm preventive dose of ivermectin.

7. The American Heartworm Society recommends antigen testing at which time point?

Prior to changing preventives

30 days after potential exposure

3 months after adulticidal treatment

8. What percentage of shelters surveyed by the Association of Shelter Veterinarians administer monthly heartworm preventive to their dogs?

>40%

>60%

>80%

9. Which of the following regarding the timing of elective surgery in heartworm positive dogs is true?

Surgery should occur during adulticidal treatment.

Surgery is best delayed until after adulticidal treatment.

Surgery can safely be performed prior to adulticidal treatment.

10. Use of doxycycline during treatment of canine heartworm disease may lead to:

Antibiotic resistance.

Sterilization of female heartworms.

Delayed resolution of pulmonary inflammation.

11. We hope you have enjoyed the presentation. A certificate of attendance in your name will be awarded at the end of this quiz. Please let us know if you have viewed the entire presentation.

I certify that I have viewed the entire presentation.

I did not view the entire presentation.