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95 Cards in this Set
- Front
- Back
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parasite that DOES NOT cause intestinal bleeding in dog
A. toxocara canis (round) B. ancylostoma caninum (hook) C. trichuris vulpid (whip) D. all cause bleeding |
A, toxocara canis (roundworm)
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not a clinical sign of heartworm disease in cats:
A. coughing B, diarrhea C, vomiting D, b & c |
B, diarrhea
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not a zoonotic parasite:
A. toxocara B. Ancylostoma C. Strongyloides D. Trichuris |
D. Trichuris
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puppies should be tested for heartworms at what age?
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> 6 months
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common cause of large bowel diarrhea in dogs in US:
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trichuris vulpis
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best test used to routinely screen dogs for heartworms:
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Antigen test
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3 ways puppies can acquire hookworms:
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1- orally
2- percutaneous 3- transmammary |
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11-day old puppy that suddenly is depressed, anemia, and has black, tarry stools. fecal is negative. most likely diagnosis:
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hookworms (Ancylostoma caninum)
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Parasite that can cause many unusual clinical signs in the dog, including neoplasia:
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spirocerca lupi
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diagnostic test best for detecting eggs in feces of a 1-week-old puppy infected with roundworms and hookworms:
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none, eggs won't be present yet
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organ most commonly affected in cats that have heartworms:
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lungs
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disease caused by Cyathostomins (small strongyles) in horses generally result from:
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emergence of encysted larvae from intestinal mucosa
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foals become infected with Parascaris equorum (roundworms) when:
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ingest larvated eggs from environment
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Migrating larvae of this large strongyle can cause inflammation of the wall of the cranial mesenteric artery causing colic:
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Strongylus vulgaris
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parasite that affects ruminants, horses, pigs, and would be an issue in a mixed-species grazing situation:
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Trichostrongylus axei
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5-year-old horse presents with tail rubbing, and pinworms are suspected (Oxyuris equi). what diagnostic test do you use to recover eggs?
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scotch tape test
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short PPP of this nematode makes it likely that this parasite's eggs will be the first to be detected in the fecal float on a young foal:
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Strongyloides westeri
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helminth that is rare in cats in the continental US:
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trichuris felis (seen
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rectal palpation of 2-yr-old horse with history of acute diarrhea & colic, adn see bright red larval worms on your sleeve after palpation. Nematode:
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small strongyles
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red nematode nearly 3 ft seen free in teh abdominal cavity of a dog. What parasite
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Dictophyme renale
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most common & costly parasite in swine:
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Ascaris suum (roundworms)
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ascaris suum infection in swine can produce damage in these lungs due to larval migration;
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liver (milk spots) and lungs (verminous pneumonia)
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if you suspect an infection if Trichuris suis (whipworms), the best procedure to follow for reaching a definitive diagnosis is:
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necropsy a pig showing a profuse bloody diarrhea and check for adult worms in the cecum & colon.
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Nodular Worms in swine:
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Oesphagostomum dentatum
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nodular worms (Oesphagostomum dentatum) in swine are common seen in:
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confinement situations due to increased survivability of their eggs
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adult lifespan of trichostrongyles nematodes in ruminants:
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25-50 days
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invasion of gut mucosa by ostertagia L3-s and arrested development (hyperbiosis) is called:
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Pre-Type II
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in norther states, Pre-Type II occurs in this season:
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late fall/early winter
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resumed development of a large number of arrested ostertagia L4's is called:
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Type II
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in southern states, Type II occurs in this season:
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fall/early winter
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diagnostic technique best used for lungworm of cattle (Dictyocaulus viviparous:
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Baermann technique
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Adult spirocerca lupi live where:
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nodules in esophagus
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a subcutaneous parasite of dogs that can cause lameness and ulcerations in the skin (Tx by surgical removal)
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Dracunculus insignis
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Intermediate host of cat and dog stomach worm (Physaloptera spp):
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cockroaches, beetles, crickets
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disinfection to kill Toxocara canis:
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flame or steam
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Female toxocara canis worm produces ____ eggs a day
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200,000
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three ways T. cati differs from T. canis:
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1- T. cati doesn't pass transplacentally and T. canis does
2- T. cati continues tracheal migration even in older cats 3- transport host has a larger role in T. cati than T. canis |
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What bacteria are found in all heartworms and are necessary for heartworms to reproduce & survive:
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Wolbachia
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two periods when heartworms cause the most pathology in cats:
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1- when they die off
2- when they reach maturity |
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clinical sign of heartworms in cats:
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coughing
vomiting sudden death |
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in adult dog, adult heartworms are typically found in the:
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pulmonary arteries
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under optimal conditions, the minimal time it takes for an ingested microfilarie to develop into the infective L3 in mosquitos is :
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14 days
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PPP for Trichuris vulpis
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90 days
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2 reasons Trichuris vulpis is hard to diagnose:
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1- intermediate shedders
2- females only produce 2,000 eggs/day |
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not zoonotic:
A. toxocara canis B. Toxocara cati C. Ancylostoma caninum D. Toxascaris leonina E. none of the above |
D. Toxascaris leonina
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Ancylostoma caninum can cause ____ in people
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Cutaneous larva migrans
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Intermediate host of Strongyloider stercoralis:
A. beetles B. slugs C. earthworms D. none of the above |
D, none of the above
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eggs of ____ appear similar to whipworm eggs?
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Capillaria
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infection of sheep and goats with Bunostomum would be expected to cause:
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anemia
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In Illinois, Type II ostertagiosis would most likely occur in which season:
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spring
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Summer sores in horses are caused by:
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Habronema musca &
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6-month old horse with coughing & snotty nose.. most likely caused by:
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parascaria equorum
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hose with lungworm, probably came from;
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donkey
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which of the following parasites migrates extensively:
A- small strongyles B- pinworms C- strongylus vulgaris D- none of the above |
C, Strongylus vulgaris.
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in norther states, Cyathostomosis occurs in the:
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spring
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likely animal source of Trichinella sp. infection to humans in US:
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bear
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best diagnostic test to determine if cattle have a respiratory parasite:
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Baermann exam for larvae in feces
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'thin sow' syndrome is caused by:
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Oesophagostomum dentatum
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'milk spots' in swine liver are caused by:
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ascaris suum
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dog with abscess on elbow and worm protruding from it. most likely:
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Dracunculus
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which parasite groups are blood suckers:
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hookworms
whipworms |
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ocular larvae migrans is most commonly seen in children aged:
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7-8 yrs
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visceral larvae migrans is most commonly seen in children aged:
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1-4 yrs
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in the dog, adult heartworms live how long:
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5-7 yrs
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in the cat, adult heartworms live how long?
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1-2 yrs
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common clinical signs of dogs with heartworms:
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fatigue (exercise intolerance), coughing, syncope (fainting)
NOT vomiting- thats in cats |
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in humans, raccoon roundworms tend to occur in this organ:
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brain
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horse roundworm Parascaris equorum produces this clinical syndrome in foals;
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summer colds
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parasite that causes tumor-like nodules in stomach of horses;
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draschia megastoma
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3 large strongyles seen in horses:
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1- Strongylus vulgaris
2- Strongylus edentatus 3- Strongylus equinus |
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Strongylus vulgaris causes aneurysms in which artery of the horse:
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cranial mesenteric artery
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with an equine interval de-worming program, horses are de-wormed ____ times a year
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six
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To monitor the efficacy of an equine de-worming program, fecals should be checked every ____ days
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14
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resistance to anthelmintics is commonly seen with which parasite:
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small strongyles
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'milk spots' on the liver of pigs are caused by migrating larvae of :
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ascaris suum
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in Illinois, Type II ostertagiasis typically occurs in this season:
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spring
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T/F: In Illinois, cattle nematode larva can survive outdoor conditions over winter.
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TRUE
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in the southern states, cattle should be, at minimum, dewormed twice. optimal times for this are;
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1- spring
2- july or august |
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most important cattle nematode in northern states:
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ostertagia
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swine parasite that is most common and causes the greatest economic impact:
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Ascaris suum
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anthelmintic that has excellent activity against whipworms in some swine;
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fenbendazole
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'firey serpent'
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Dracunculus insignism
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microfilariae that gets confused with heartworm in blood:
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Dipetalonema (Acanthocheilonema) reconditum
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Physaloptera spp are common in this animal:
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opossum
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how do kids get visceral larva migrans?
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ingest eggs (not hard, since environmental contamination is widespread)
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adult roundworms in the adult female are activated when?
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during pregnancy
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female hookworms lay ____ eggs daily:
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20,000
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best diagnosis for Trichuris vulpis is:
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response to treatment
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Heartworm antigen tests are specifically testing for:
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female uterine antigen
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name of condition when cats get heartworms in lungs:
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HARD (Heartworm Associated Respiratory Disease)
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why is diagnosis of heartworms in cats complicated?
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- usually have very few worms, which can cause a false negative if there are not enough worms or not enough Ag being made by worms there.
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eggs of Capillaria plica are often seen with this diagnostic test:
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urinarlysis (will be clear, not amber-colored b/c not stained by bile)
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PPP for large strongyles
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6-12 months
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how do horses acquire small strongyles?
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ingestion of deadly dew drop.
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PPP for ruminant trichystrongyles
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3 weeks
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