Parasitology Ch. 1-3

Humans are the _______ host for Dirofilaria immitis.

Which of the following is true of toxocara canis?

For D. immitis, the mosquito is the definitive host and the dog is the reservoir host.

Endoparasites cause an:

D. immitis larvae

One organism benefits and the other neither benefits nor is harmed.

Flukes

Animal does not exhibit obvious clinical signs but does have a parasite.

Digenetic flukes are:

Trichuris vulpis

Which life stage is most infective in nematodes?

A smaller organism is carried by a larger organism.

Which of the following would be best to use to treat coccidian species of parasites?

Canine hookworm

The housefly

Mature heartworms are found in the left ventricle and pulmonary arteries of the heart.

A ciliate is a single-celled organism.

Which of the following is the best treatment for mites?

Where do canine hookworms migrate to in the end?

How many species of nematodes approximately exist?

Which of the following is a protozoan?

The phylum nematoda includes roundworms.

Cestodes are:

Kingdom, phylum, class, order, family, genus, species is the correct order for what classification system?

A parasite that has a broad range of hosts.

This group of ectoparasites includes a variety of insects.

Which of the following describes Trichuris vulpis ova.

Mites

Tapeworms

Trichuris nematodes parasitize every domesticated animal except horses.

Toxocara canis

Which of the following is heartworm in dogs and cats?