Heartworm Disease in Dogs and Cats
33 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary site of infection for dirofilaria immitus?

  • Intestines
  • Kidneys
  • Liver
  • Pulmonary arterial tree (correct)

    • Which bacteria has a symbiotic relationship with D. immitis, improving the adult heartworms' fertility and fortitude?

  • Staphylococcus aureus
  • Escherichia coli
  • Wolbachia (correct)
  • Clostridium difficile

    • What specific protein produced by Wolbachia contributes to immune/inflammatory responses in infected animals?

  • Filarial Protein (FP)
  • Wolbachia Surface Protein (WSP) (correct)
  • Heartworm Associated Protein (HAP)
  • Dirofilarial Antigen (DA)

    • In what part of the body does Wolbachia Surface Protein (WSP) primarily target?

    <p>Lungs and kidneys</p> Signup and view all the answers

    What is the role of Wolbachia in the life cycle of dirofilaria immitus?

    <p>Enhancing fertility and strength of adult heartworms</p> Signup and view all the answers

    Which of the following is NOT a listed objective related to Heartworm Disease in the text provided?

    <p>Describing the transmission method of heartworms</p> Signup and view all the answers

    What is a common recommendation by Dr. Mac for animals that are heartworm positive?

    <p>Chest X-rays</p> Signup and view all the answers

    Which diagnostic technique is commonly used to assess for the presence of worms in the pulmonary arteries?

    <p>Echocardiography</p> Signup and view all the answers

    What is a common clinical presentation of Heartworm Associated Respiratory Disease (HARD) in dogs?

    <p>Hemoptysis</p> Signup and view all the answers

    Which medication is commonly prescribed for Heartworm Associated Respiratory Disease (HARD) in cats?

    <p>Prednisone</p> Signup and view all the answers

    What is a common finding in imaging studies for animals with heartworm disease?

    <p>Dilated main pulmonary artery</p> Signup and view all the answers

    What is considered pathognomonic for heartworm disease in histopathology?

    <p>Villous arteritis</p> Signup and view all the answers

    What is the recommended protocol for treating Class III heartworm disease in dogs?

    <p>One injection of 2.5 mg/kg body weight followed by two injections of the same dose 24 hours apart</p> Signup and view all the answers

    What is the concern associated with continuous monthly administration of prophylactic doses of macrocyclic lactone alone?

    <p>Delayed adulticidal effect</p> Signup and view all the answers

    Which area is specified for the administration of Melarsomine Dihydrochloride?

    <p>Between L3 and L5 vertebrae</p> Signup and view all the answers

    Why is it important to check Microfilaria (MF) status before treatment?

    <p>To avoid adverse effects from a high MF burden</p> Signup and view all the answers

    What is the purpose of the two-injection protocol recommended for Class I and II heartworm disease?

    <p>To kill about 90% of adult worms</p> Signup and view all the answers

    According to Keister et al, 1992; Vezzoni et al, 1992, how long does it take for adult heartworms to be 95% eliminated with continuous administration of macrocyclic lactones?

    <p>Over 2 years</p> Signup and view all the answers

    What is the purpose of exercise restriction in heartworm treatment?

    <p>To delay the progression of pathology</p> Signup and view all the answers

    When should the HW Antigen test be repeated post-adulticidal therapy if the initial test at 6 months is still positive?

    <p>9 months post-therapy</p> Signup and view all the answers

    What may be the reason behind a positive microfilaria (MF) test 6 months post-treatment?

    <p>Repeat infection due to lack of preventative compliance</p> Signup and view all the answers

    When do thromboembolic events typically occur post-injection in heartworm-infected animals?

    <p>7-10 days post-injection</p> Signup and view all the answers

    What are some common clinical signs associated with thromboembolic complications in heartworm-infected animals?

    <p>Low-grade fever, cough, tachypnea, hemoptysis</p> Signup and view all the answers

    How long will worms continue dying after adulticidal therapy?

    <p>Up to 1 month post-therapy</p> Signup and view all the answers

    Which host serves as the definitive host for heartworms?

    <p>Ferrets</p> Signup and view all the answers

    When should heat treatment be recommended for heartworm diagnosis?

    <p>If clinical signs strongly suggest heartworm disease</p> Signup and view all the answers

    What is the primary purpose of the Heartworm Antibody Test?

    <p>To assess for antibodies indicating heartworm exposure</p> Signup and view all the answers

    In heartworm testing for dogs, when is microfilaria testing typically recommended?

    <p>If the dog is antigen positive</p> Signup and view all the answers

    Which of the following is NOT a common clinical sign of heartworm disease in dogs?

    <p><strong>Vomiting</strong></p> Signup and view all the answers

    What type of test is recommended for cats before starting preventative treatment?

    <p><strong>SNAP antigen test</strong></p> Signup and view all the answers

    Which of the following animals can act as intermediate hosts for heartworms?

    <p><strong>Human</strong></p> Signup and view all the answers

    What does the presence of antibodies indicate in heartworm infection?

    <p><strong>Previous exposure</strong></p> Signup and view all the answers

    When should heartworm testing be conducted in dogs according to the provided text?

    <p><strong>Before starting preventative treatment or after a lapse in coverage</strong></p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser