In canine heartworm disease, adult Dirofilaria immitis are found mainly in the:
Correct answer: C. Pulmonary arteries and right heart
- A. Portal vein and liver
- B. Bile ducts and gall bladder
- C. Pulmonary arteries and right heart
- D. Urinary bladder and kidneys
Explanation
Adult Dirofilaria immitis occupy the pulmonary arteries and, in heavy infections, may extend into the right side of the heart. The liver, bile ducts, and urinary tract are not the normal habitat of adult heartworms.
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About Veterinary Parasitology
Covers protozoa, helminths and arthropods that infect domestic animals, including their morphology, life cycles, hosts, transmission and clinical effects. Questions connect parasite identification with diagnosis, prevention and treatment, and distinguish endoparasites from ectoparasites and definitive hosts from intermediate hosts.
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