P2 ratio

This is the largest species of strongyle that parasitizes equine

Strongylus

This is a strongyle species found in the large intestines of the ostrich

Codiostomum struthionis

This is the most common and largest roundworm that infects the gastrointestinal tract of avians

Ascaridia galli

Which of the following ascarids are likely to be seen in water buffaloes

Toxocara vitolurom

Pinworms that affects small ruminants belong to what genus?

Skrjabinema

The barber’s pole worm is a roundworm parasite of what definite host?

Ruminants

This is a modificaiton of the cuticle of some members of Ascarididae that can be used for taxonomic identification

Cervival alae

A water buffalo was given an antihelminthic for the first time. A few hours later, large, pale-yellow worms were found in its feces. The worms presents with 3 prominent lips, and the body which Is broader at the base then narrows anteriorly. Based on these characteristics, what genus does this roundworm belong to?

Toxocara

A giraffe had died due to severe anemia. A necropsy revealed the presence of 3 cm long worms along the mucosa of the abomasum. The larger females have cuticle that is transparent enough to observe the› blood-filled intestine coiled with the ovary. What is this parasite?

Haemonchus contortus

During fecalysis of a puppy. which of the following would describe the egg produced by hookworms?

Oval, unoperculated, and embryonated

A hamster was presented with signs of mild but mucoid diarrhea. A direct fecal smear revealed the presence of embryonated, elongated eggs with one side flattened and a single operculum. What parasites is this?

Syphacia

Which of the following hookworms are identified by having 3 teeth on each side of the ventral margin7

Ancylostoma caninum

Parasitic L3 of Strongyloides can be distinguished from the heterogonic form through what structure?

Filariform esophagus

Which of the following roundworms have pre-infectious free-living larval stages

Uncinaria

Which of the following roundworms have parasitic larval stages that requires further development in the organs outside of its adult stage’s predilection site?

Strongylus

Which among the following ls the source of infection for the paratenic hosts of anisakis?

Krill

This form of infection by Haemonchus contortus is associated wlth severe hypoproteinemia leading to edema around of the intermandibular regions.

Acute haemonchosis

Which of the following species of parasites is associated with hemorrhages in the caeca leading to typhlitis in the emu?

Trichostrongylus tenuis

Which of the following lesions seen in goats is indicative of Infection with Oesophagostumum radiatum?

Pimply gut

Foot rot is secondary Infection often associated with the penetrative action of the larvae of which parasite?

Strongyloides papillosis

Which of the following lesions is indicative of the infection with Ascaris suum?

Milk spots

Which among the equine nodular worms can cause the formation of nodules in both the liver and the peritoneal wall at the right flanks of horses?

Strongylus edentatus

Some dogs with severe infections of Anycylostoma caninum would present with coughing along with the classical manifestations of anemia and melena. Which of the following statements would explain how the respiratory signs occur with this infection?

Larvae develop in bronchi of the lungs and their migration can cause pneumonitis

How does Toxocara canis infection in dogs contribute to visceral larval migrans in humans?

Toxocara does not mature but remain as migratory larvae that causes inflammatory damage to organs

Why do horses infected with Oxyuris equi often exhibit intense pruritus around the tail region?

Adult females migrate out the anus to lay eggs in a sticky substance around the anus

Which of the following would explain how Infections with Ancylostoma caninum often result in severe anemia In dogs?

The parasite secretes anticoagulants and feeds on blood in the intestinal mucosa

Infection by Stephanurus dentatus causes the most harm to its definitive host during?

Migration of larva through the liver parenchyma causing fibrosis

“Rat-tail“ refers to a clinical manifestation that occur in horses positive for Oxyoris equi. Which of the following statements would explain how this parasite cause this to occur?

Adult female migrates to perianal area to lay eggs, which trigger itching leading to tail rubbing.

A puppy with confirmed Strongyloides stercoralis is isolated after treatment, but it continued to shed larvae intermittently for weeks despite no apparent re-exposure. Which of the following would best explain this7

Autoinfection occurred and the larvae develop directly in the host’s intestines

What would be a more elective diagnostic method for the detection of pinworm eggs?

Microscopic analysis of smear sampłes from perianal skin

A dairy goat farm has had recurring cases of haemonchosis, leading to high mortality in young goats and reduced. milk yield in anemic females, despite a strict monthly deworming protocol using benzimidazole anti-helmintics. As the farm veterinarian, what would you do to evaluate whether the protocol is still working

Perform a FECR test to assess if the worm burden is decreasing after treatment

Which of the following is the most effective plan when controlling haemonchosis cases in small ruminant farms

Rotation of grazing pastures, and also rotating anti-helminthic treatment for all members of the herd

You are a veterinarian that was consulted to find out the reason why there is still recurrent cases of Strongyloides infection in a dairy cattle farm: Which of the following farm practices would contribute to the persistence of the parasite in the facility?

Cows are housed in area with cement flooring while calves are in paddocks with hay and sawdust beddings

Which of the following would be the best recommendation for preventing prenatal infections of Toxocariasis in puppies?

Deworming the dam before mating and maintaining regular deworming schedule throughout pregnancy

what would be the most effective method for reducing incidences of cutaneous larval migrans among pet owners with pets positive with hookworm infections?

Enforcing strict cleaning and hygiene practices, and regular deworming of pets

Which of the family of nematodes possess leaf-crowns?

Strongylidae

Which of the following statements is true about members of phylum nematoda?

They are dioecious and may present with sexual dimorphism

What type of esophagus is seen in oxyuris equi?

Double bulb-shaped