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106 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which 2 ascarid worms may be transmissible between pigs and humans?
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Ascaris suum
Ascaris lumbricoides |
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Of the ascarids infective for dogs and/or cats, which are zoonotic?
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Toxocara canis
Toxocara cati |
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What are 2 ascarid species that have bioterrorism potential?
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Ascaris suum
baylisascaris procyonis |
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True/False Worms of strongyloidae species infect through the skin or may be ingested and infect through GI mucosa
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False. If intested, invade through epithelium of oral cavity.
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Which 2 nematodes of the phabditidae species are accidental parasites?
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pelodera
micronema deletrix |
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Culprits of parasitic gastritis with green, watery diarrhea
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Ostertagia ostertagi
Telodorsagia circumcincta Trichostrongylus sp Oesophagostomum |
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Culprits of parasitic gastritis with anemia and hypoproteinemia
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Trichostrongylus (high load)
Haemonchus contortus Hypstrongylus rubidus Ostertagia ostertagi Telodorsagia circumcincta |
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Define refugia
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Parasites not accessed by dewormers and thus provide a potential source of sensitive parasites
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FAMACHA
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Haemonchus contortus
20% of animals produce 80% of eggs. |
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One big difference between the large and small equine strongyles
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Large strongyles suck blood
Small strongyles feed on mucosal surface |
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What hookworms infect dogs?
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Ancylostoma caninum
Ancylostoma braziliense Uncinaria stephanocephalus |
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Which hookworm is of concern for human health?
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Ancylostoma braziliense- cutaneous larval migrans in humans
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Which type of worms are associated with the fungus Pilobolus?
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Lungworms (dictyocaulus)
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Which 3 nematode species both have eggs with an operculum at each end?
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Capillaria sp.
Syngamus trachea Trichuris |
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What are the 2 fox lungworms?
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capillaria aerophilia
crenosoma vulpis |
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What are 2 species of nematode whose eggs are excreted in urine?
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Stephanurus dentatus
Dioctophyme renale |
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True/False. Demodexx mange lives in follicles but can be found in blood, lymphatics and other organs.
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True, but these are dead. The mange cannot surivive anywhere but the skin.
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Rhipicephalus sanguineus
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Brown Dog Tick
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Ehrlichia canis
Babesia canis Rocky Mountain Spotted Fever |
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Dermacentor
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?
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Bovine Anaplasmosis
Tularemia Rickettsia |
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Gasterophilus
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Equine Stomach Bot
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colic
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Oestrus Ovis
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Nasal Bot
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False Gid
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Which ascarid of the dog and cat does not undergo tracheal migration?
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Toxascaris leonina
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Which species is a GI worm of marine mammals?
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Anisakis
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Nematodes with earthworm intermediate host.
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Heterakis gallinarum
Ascaridia galli Metastrongylus (swine lungworm) Syngamus trachea Stephanurus dentatus (swine kidney worm) Capillaria contorta, caduinflata, obsignata |
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Worm responsible for "summer colds" in young foals, perhaps accompanied by foul-smelling diarrhea.
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Parascaris equorum
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Worm normally found in decaying organic matter that can invade the skin and cause dermatitis.
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Pelodera spp.
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Worms that are normally free living in soil and decaying organic matter.
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Pelodera
Miconema deletrix |
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Which worm is responsible for the killing of South Pacific?
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Micronema deletrix
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In what species of nematode is the adult female the infectious form?
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Strongyloididae
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Nematodes that invade by penetrating the skin.
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Strongiloidiae spp.
Stephanurus dentatus Hookworms (Parafilaria- through conjunctiva of eye) |
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Which 2 strongyloididae species can be transmitted by milk/colostrum?
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S. papillosus
S. westeri |
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Which worms are responsible for parasitic gastritis?
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Ostertagia ostertagi
Telodoragia cicumcincta Hyostrongylus rubidus Haemonchus contortus Trichostrongylus (Physaloptera, habronema?) |
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What nematodes are responsible for moroccan leather surface of the abomasum?
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Ostertagia ostertagi
Telodorsagia circumcincta |
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Red Stomach Worm
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Hyostrongylus rubidus
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Which stomach worms form nodules and disrupt acid secretion when they erupt?
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Ostertagia
Telodorsagia Hyostrongylus rubidus Habronema? |
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What are the lungworms?
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Crenosoma vulpis- dogs
Aelurostrongylus abstrusus-cats Metastrongylus- swine Dictyocaulus- horse, ruminant Capillaria aerophilia- fox |
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Which nematodes are responsible for parasitic gastroenteritis in ruminants?
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Trichostrongylus
Nematodirus Cooperia Oesophagostomum Charbertia ovina |
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Which worm in the GI of many large animals produces calcified nodules of the small intestine?
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Oesophagostomum spp.
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Large Mouth Bowel Worm
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Chabertia ovina
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Which ruminant strongyle produces bloody (not green) diarrhea?
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Chabertia ovina
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Thread-necked strongyle
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Nematodirus
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Which equine strongyle migrates to the cranial mesenteric artery and cause thrombus or infarction?
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Strongylus vulgaris
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Which hookworm species causes larval migrans in humans?
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Ancyclostoma braziliense
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What are 3 hookworm species found in dogs?
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Ancylostoma caninum
ancylostoma braziliense Ucinaria stephanocephalus |
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Common name for nematodes that may be helped to transmit by a spewing fungus?
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Lungworm (Dictyocaulus)
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Which lungworm forms subpleural nodules?
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Aelurostrongylus abstrussus (cat lungworm)
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What is a common intermediate of the lungworms?
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Snails/slugs
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What are the 2 tracheal worms?
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Osleus osleri
Syngamus trachea |
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Gapeworm
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Syngamus trachea
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Swine kidney worm
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Stephanurus dentatus
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Nematodes whose eggs are doubly operculated
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Syngamus trachea
Trichuris Capillaria |
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Which kidney worm undergoes hepatic migration and causes milk-spot lesions?
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Stephanurus dentatus
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Deer meningeal worm
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Paralephostrongylus tenuis
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True/False. Paralephostrongylus tenuis causes CNS signs in whitetail deer.
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False. Only in aberrant hosts
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What is the infective form of dirofilaria immitis?
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L3
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What does the heartworm antigen test detect?
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Adult female worms
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What does the heartworm antibody test detect?
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L4, L5, adults
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Dracunculus insignis
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Guinea Worm
Red Serpent of the Nile |
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Which filarial worm results in summer bleeding and affects hide quality? What is the route of transmission
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Parafilaria
Mucoid flies deposit L3 into eye |
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Threadworm
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Onchocerca reticulata
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Which nematode is responsible for river blindness in humans?
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Onchocerca volvulus
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arterial worm of deer
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Elaeophora scnheideri
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Which microfilarial worm migrates to maxillary and carotid arteries and can cause ischemia of face in deer and elk?
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Elaeophora schneideri
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Whipworm
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Trichuris
vulpis-dogs suis- swine trichiura- human |
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Large Thorny-headed worm
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macracanthorhynchus hirudinaceus
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Which worm has an egg with 4 layers of shell?
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large thorny-headed worm
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True/False. The acanthocephalans suck blood from the small intestine they invade.
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False. The burrow, then absorb nutrients from the tegument.
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True/False. Elaeophora schneideri is transmitted by ingestion of a dung beetle.
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False. Bite of the horsefly.
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Sorehead
Clear-eyed blindness lumpy jaw |
Elaeophora schneideri
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How is Onchocerca reticulatus transmitted?
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Inoculation of L3 into skin
Secondary infection by actinomyces bovis and brucella abortus |
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True/False. Chabertia ovina mature in cecal mucosa, emerge and lay eggs.
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False. Mature in mucosa of small intestine, emerge and migrate to colon/cecum.
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Which worms of the small intestine do not suck blood?
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nematodirus
oesophagostomum |
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Which nematode infects through the skin, find the lungs, coughed and swallowed, mature in small intestine and feed on blood?
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Hookworms!
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Which tracheal worm is infective in L1 form?
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Oslerus osleri
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Which worms can autoinfect the host?
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S. Stercoralis
Oslerus osleri |
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True/False. Stephanurus dentatus can be infect by dermal penetration of L3.
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True.
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In ascarids, which form is infective?
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The L2 containing eggs
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Which larval form is both infective and the encysted form in Trichinella spiralis?
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L1
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What is the transmission of whipworm?
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Ingestion of eggs w/ L2 larvae
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What species does the large thorny-headed worm infect?
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swine
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Bed Bugs
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cimicidae
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Cattle bots
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Hypoderma
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hotel
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гостИница (ы) f.
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Which ectoparasite causes creeping subcutaneous myiasis in humans?
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Cattle bots (Hypoderma)
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Which mosquito species is the only one known to transmit human malaria?
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Anopheles
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Nasal Bot Fly
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Oestrus ovis
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Equine Stomach bot
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Gasterophilus
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Which ectoparasite might cause loosened teeth in horses and ocular or cutaneous myiasis in humans?
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Gasterophilus/Equine Stomach bot
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Which species do(es) cuterebrae infect?
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Anything warm-blooded
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Which ectoparasite is responsible for causing feline ischemic encephalopathy?
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Cuterebrae
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Dermanyssus gallinae
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Red mite (bird mite)
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Cnemidocoptes
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Burrowing mite (bird mite)
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Which bird mite genus causes tassel foot, depluming itch, and/or crusty deformed beak?
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Cnemidocoptes
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Ornithonyssus sylvarium
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Northern fowl mite
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Echidnophaga gallinacea
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Sticktight flea
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Which hard tick genuses parasitize large animals'/
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Rhipicephalus
Amblyomma Ixodes Boophilus |
theileria, erhlichia, rickettsia (mediterranean spotted fever)
cowdriosis, heartwater disease --------- babesiosis |
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What is unique about the life cycle of the boophilus hard ticks?
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Spend entire life on single host
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What is the most common flea species among dogs and cats?
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Ctenocephalides felis
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Chrysoma bezziana
Cochliomyia hominivorax |
Screworms
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Ear Mite
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Otodectes cynotis
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Signs of tick paralysis?
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Paralysis
fixed stare enlarged pupils difficulty breathing |
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Sheep keds
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melophagus ovinus
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Which filarial worm of the dog has a hooked tail?
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Acanthocheilonema reconditum
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Which ectoparasite may cause blindness and paralysis in people?
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Hypoderma (cattle bot)
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Which hypoderma species gathers around the spinal cord?
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H. bovis
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The Cosmopolitan Bed Bug
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Cimex lectularis
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