VPA-0110
QUESTION
Dirofilarial immitis is transmitted by?
OPTIONS
(A) Lice
(B) Fleas
(C) Mosquitoes
(D) All of the above
ANSWER
(C) Mosquitoes
EXPLANATION
Dirofilaria immitis is transmitted by mosquitoes, which acquire microfilariae during blood feeding and transmit infective third-stage larvae during subsequent feeding. Lice and fleas are not biological vectors of canine heartworm.
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Veterinary Parasitology · 120 Questions
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