Which disease is caused by the larvae of two species of Toxocara roundworms?

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Study for the Introduction to Parasitology Test. Use flashcards and multiple-choice questions, each question offers hints and explanations. Prepare for your exam thoroughly!

Multiple Choice

Which disease is caused by the larvae of two species of Toxocara roundworms?

Explanation:
Infections caused by migrating larval stages of dog and cat roundworms are called toxocariasis. Humans become accidental hosts when they ingest eggs from contaminated soil or surfaces, and the larvae then migrate through tissues, often affecting the liver, lungs, eyes, or brain. This name specifically reflects the two Toxocara species involved, Toxocara canis and Toxocara cati. Toxoplasmosis is caused by a protozoan, Trichinosis by Trichinella spiralis from undercooked meat, and Ascariasis by Ascaris lumbricoides. The question points to the disease associated with Toxocara larvae, which is toxocariasis.

Infections caused by migrating larval stages of dog and cat roundworms are called toxocariasis. Humans become accidental hosts when they ingest eggs from contaminated soil or surfaces, and the larvae then migrate through tissues, often affecting the liver, lungs, eyes, or brain. This name specifically reflects the two Toxocara species involved, Toxocara canis and Toxocara cati. Toxoplasmosis is caused by a protozoan, Trichinosis by Trichinella spiralis from undercooked meat, and Ascariasis by Ascaris lumbricoides. The question points to the disease associated with Toxocara larvae, which is toxocariasis.

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