LMU-CVM Parasitology Exam1

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Last updated 11:48 PM on 7/21/26
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22 Terms

1
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What is the scientific name for Intestinal threadworm

Strongyloides stercoralis

-only females are parasitic, ~2.2mm in length

<p>Strongyloides stercoralis</p><p>-only females are parasitic, ~2.2mm in length</p>
2
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Feline Stomach Worm

-Small minute worms, <1mm

-direct lifestyle

Ollulanus tricuspis

<p>Ollulanus tricuspis</p>
3
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Physaloptera sp.

Canine Stomach Worm

-stout pinkish worms, 13-48mm in length

<p>Canine Stomach Worm</p><p>-stout pinkish worms, 13-48mm in length</p>
4
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Which Stomach worm has 2 lips and cuticular ring around the anterior end

Physaloptera sp.

<p>Physaloptera sp.</p>
5
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What is the scientific name for canine stomach worm

Physaloptera sp.

<p>Physaloptera sp.</p>
6
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Which worm egg resembles a paper clip?

Spirocera lupi

<p>Spirocera lupi</p>
7
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Spirocera lupi

Canine Esophageal Worm

-coiled pinkish worms 30-80mm in length

-occurs in fiberous nodules in the esophagus, stomach, and aorta

<p>Canine Esophageal Worm</p><p>-coiled pinkish worms 30-80mm in length</p><p>-occurs in fiberous nodules in the esophagus, stomach, and aorta</p>
8
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Toxocara cati

Feline roundworm

-Adult worms w/prominent cervical alae

-Broad, arrow-like projections of cuticle

<p>Feline roundworm</p><p>-Adult worms w/prominent cervical alae</p><p>-Broad, arrow-like projections of cuticle</p>
9
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Differentiate Trichuris + Capillaria

Top Left is Trichuris

Bottom right is Capillaria

<p>Top Left is Trichuris</p><p>Bottom right is Capillaria</p>
10
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What is the name of the nematode also known as Voracious bloodsuckers?

Hookworms

<p>Hookworms</p>
11
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What is the scientific name of canine hookworm?

Ancylostoma caninum

-Large buccal capsule w/ 3 pairs of large teeth

-males w/copulatory bursa

<p>Ancylostoma caninum</p><p>-Large buccal capsule w/ 3 pairs of large teeth</p><p>-males w/copulatory bursa</p>
12
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Cutaneous Larval Migrans

Skin penetration by infective L3 Larvae.

All hookworms may implicated in CLM

<p>Skin penetration by infective L3 Larvae.</p><p>All hookworms may implicated in CLM</p>
13
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Visceral Larval Migrans

Larval stage hookworms that penetrate deep and reach the pulmonary circulation

-Nonspecific respiratory illness, dry cough, dyspnea

-Diffuse pulmonary infiltrates on xrays

<p>Larval stage hookworms that penetrate deep and reach the pulmonary circulation</p><p>-Nonspecific respiratory illness, dry cough, dyspnea</p><p>-Diffuse pulmonary infiltrates on xrays</p>
14
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Toxocara canis

Canine Roundworm

-Large stout worms

~7-18cm, females always larger, males smaller w/coiled tail

<p>Canine Roundworm</p><p>-Large stout worms</p><p>~7-18cm, females always larger, males smaller w/coiled tail</p>
15
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Which Nematode has 3 Lips rather than large (open) buccal capsule?

Toxocara canis (Canine Roundworm)

<p>Toxocara canis (Canine Roundworm)</p>
16
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Which roundworm has a light, translucent single cell embryo?

Toxocara leonia

-Dogs + Cats (wild, domestic, feral)

-Similar size to T. canis and T. cati

<p>Toxocara leonia</p><p>-Dogs + Cats (wild, domestic, feral)</p><p>-Similar size to T. canis and T. cati</p>
17
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Which Roundworm has a golden brown appearance?

Baylisascaris procyonis (Raccoon Roundworm)

<p>Baylisascaris procyonis (Raccoon Roundworm)</p>
18
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What is the scientific name for Feline Roundworm?

Toxocara cati

<p>Toxocara cati</p>
19
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Ocular Larval Migrans

Occurrence of Toxocara larvae in the eye w/inflammatory reaction

-Occurs in older children (~7.5yrs and more often in males)

-10,000 cases/yr

<p>Occurrence of Toxocara larvae in the eye w/inflammatory reaction</p><p>-Occurs in older children (~7.5yrs and more often in males)</p><p>-10,000 cases/yr</p>
20
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What is the scientific name for Raccoon Roundworm

Baylisascaris procyonis

<p>Baylisascaris procyonis</p>
21
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What is the scientific name for Canine whip worms?

Trichuris vulpis

<p>Trichuris vulpis</p>
22
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Trichinella sp.

Trichina Worm

-Larvae in edible tissue ingested in poorly cooked state

-Most current infection resulted from wild game (Bear)

<p>Trichina Worm</p><p>-Larvae in edible tissue ingested in poorly cooked state</p><p>-Most current infection resulted from wild game (Bear)</p>