Chapter 1 Identification

Question 0

Toxicara canis

Answer 0

Canine roundworm, large stout worms. 7-18cm. Female larger. 3 lips puppies infected in utero

Question 1

Nematodes

Answer 1

Roundworm, indirect and direct lifestyle depending on species

Question 2

Toxocara cati

Answer 2

Feline roundworm, size similar to t.canis, direct lifestyle. No utero infection, kittens only infected by lactogenic route

Question 3

Toxascaris leonia

Answer 3

Round worms of cats and dogs. Size same as t. Canis and t cati. Direct life cycle. No in utero or lactogenic transmission. Ingestion of larvated eggs or paratenic host

Question 4

Baylisascaris procynis

Answer 4

Raccoon roundworm, size much larger than t. Canis but eggs smaller. Direct life cycle. Ingestion of larvated eggs or paratenic host or tracheal migration.

Question 5

Ancylostoma caninum

Answer 5

Canine hookworm, small worms 7-10mm, direct life cycle, transmission through lactogenic route, skin penetration, or paratenic host ingestion.

Question 6

Uncinaria stenocephala

Answer 6

Northern canine hookworm, 7-10mm, direct life cycle, eggs passed larvae develop in environment, L3 or paratenic ingested

Question 7

Ancyclostoma tubaforme

Answer 7

Feline hookworm 7-15mm worm size, direct life cycle, eggs passed, larvae develop in environment, L3 or paratenic ingested

Question 8

Trichuris vulpis

Answer 8

Canine whip worm, 30-50 mm, direct life style, eggs passed infected larvae develop in the egg, eggs are ingested

Question 9

Capillaria sp.

Answer 9

Small worms with whip like anterior ends, in fish birds reptiles and mammals, simple direct with faculative indirect with paratenic host and obligate indirect with intermediate hosts

Question 10

Strongyloides stercoralis

Answer 10

Intestinal threadworm in dogs and human, direct life cycle with percutaneous, lactogenic, ingestion, and autoinfection, only female,