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126 Cards in this Set
- Front
- Back
Name the 3 Trematodes/flukes.
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Fasciola hepatica (liver fluke)
Paragonimus kellicotti (lung fluke) Nanaphyetus salmincola (salmon poisoning fluke) |
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All the Flukes have what as a IH?
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Snails
*Lung fluke has a second which is crayfish *Salmon poisoning fluke has a scond which is salmon or trout |
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The sites of infestation for the flukes are:
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Fasciola hepatica is common bile duct
Paragonimus kellicotti is the lungs Nanophyetus salmincola is small intestines |
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The 5 larval stages of the Platyhelminthes Trematodes/flukes are:
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L1 Miracidium
L2 Sporocysts L3 Rediae L4 Cercariae L5 Metacercariae (infective) |
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Infestation of Fasciola hepatica is associated with a secondary infection attributed to what bacteria?
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Clostridium novyii
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Name the Platyhelminthes Cestodes/tapeworms we are studying in class.
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Dipylidium caninum<br />Taenia pisiformis<br />Taenia hydatgena<br />Taenia ovis
Taenia taeniaformis Taenia multiceps/serialis Echinococcus spp Anoplocephala spp. Moneiezia spp. |
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The FH for Fasciola hepatica is
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Sheep, cattle, ruminants
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the FH for Paragonimus kellicoti is
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dogs and cats
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The FH for Nanaphyetus salmincola is
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dogs, cats, minks and raccoons
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The FH for Dipylidium caninum is
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dogs and cats
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The IH for Dipylidium caninum is
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fleas
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The FH for Taenia pisiformis is
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dogs, rarely cats
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The IH for Taenia pisiformis is
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rabbits and hares
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The FH for Taenia hydatigena is
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dogs, sometimes cats
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The IH for Taenia hydatigena is
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ruminents
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The FH for Taenia ovis is
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dogs and cats
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The IH for Taenia ovis is
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sheep
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With tapeworms, Proglottids are each individual segments and strobilia are:
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chains of reproductive units
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Taenia taeniformis is also known as
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the cat rat tape
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For Taenia taeniformis, it is L2 infective with a larvae called a
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strobilocercus and changes in the LIVER unlike other Taenia
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Taenia multiceps /serialis is a typical taenia whose larval stage is the ______
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Coenurus (1 egg contains hundreds of envaginated scolices which are adults)
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Taenia taeniaformis IH is and the FH is
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IH-rat
FH-cat |
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The FH for Taenia multiceps and serialis is
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dogs
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The IH for Taenia multiceps is
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sheep
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The IH for Taenia serialis is
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rabbits
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The IH & FH for Echinococcus granulosa are
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IH-sheep, humans
FH-Dog |
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The IH and FH for Echinococcus multioculari are;
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IH-Rodents, humans
FH- cats |
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The IH and FH for the Anaplocephala spp are:
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IH-Grain mite
FH-horse |
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The IH and FH for Monezia spp are:
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IH- Grain mite
Moniezia expansa-sheep Monezia benedeni-cattle |
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For Echinococcus spp. the type of larvae are:
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hydatid cysts, which have a high PHS
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For Anaplocephala spp. the L1 ifective stage is called a
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Cysticercoid--a small non-fluid filled sac with 1 scolex
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The L1 infective larvae of the Diplydium caninum is a
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cysticercoid
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The L1 infective larvae of the Taenia pisiformis is a
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Cysticercus-pea sized
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The L1 infective stage for the Taenia hydatigenia is the
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cysticerci--ping pong ball size
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The L1 infective stage for the Taenia ovis is called a
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cysticercus--bladder worm in the muscle
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The L1 infective stage for the Taenia (Multiceps) multiceps/serialis is the
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coenurus-a 5cm egg that contains about a 1000 adult worms
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The L1 infective stage for Anaplocephala spp is a
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cysticercoid
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Tapeworms absorb nutrients through
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their skin
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Tapeworms/cestodes use ______ reproduction and all produce eggs in
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monecious
egg baskets that will appear to take up their entire field under 40x magnification. |
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Tapeworms/cestodes are _____ prevalent than flukes.
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MORE
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Tapeworms/cestodes need only ___ IH
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1
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Most of the Taenia spp family are usually ______ which are called bladderworms
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L1 cysticercus
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The specific gravity of fecal flotation solutions range from
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1.180 to 1.200
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Cestodes/tapeworms, obtain food through their ___________
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skin
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Paratenic host for Ascaris suum is the
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earthworm and dung beetle
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The definitive host for Echinococcus granulosus is the _____ and the IH is the _______________-
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dog
human |
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In order to kill tapeworms, the _________ must be destroyed.
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Scolex
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The most common route of infestation for trematodes (flukes) and cestodes (tapes) is
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direct ingestion of ova and/or IH
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The hexacanth embryo is the
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early development of the scolex
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Visceral larval migrans (VLM) is associated with
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Toxocara cati
Toxascaris leonina |
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Nematodes site of infestation is
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small intestine
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Toxocara ova are round with and outer___________ appearance.
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ropey
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Taenia taeniaformis L2 infective stage is the
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stroilocercus
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Taenia pisiformis has an L1 _________
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cyssticercoid
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Most tremetodes(flukes) are reproductively
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oviparous & dioecious
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With somatic migration, a female with an inactive case
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will infest her young via the umbilical cord
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Cestodes and Trematodes are considered
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flatworms
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What kind of host will shed gravid tapeworm segments?
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Definitive/final host
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The IH for Dipylidium caninum is the
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flea
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The IH for the Anoplocephela spp is the
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orbatid (grain) mite
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Echinococcus multiocularis is HSP for
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dogs and cats and has mice as a PH
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Ascarids are commonly called
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roundworms
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the definitive host for Moniezia spp is
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ruminants
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Echinococcus spp have _____ segments.
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3
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All ascarids and hookworms must undergo some _________ to become infective to the definitive host.
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migration
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The hookworm is ______ infective.
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L3
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Lungworms have a ___________ lifestyle.
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indirect
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Name 2 parasites that have the earthworm and dung beetle as a PH.
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Ascaris suum
Parascaris equorum |
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The chemical composition of Fecosol solution is
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sodium nitrate
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Somatic migration requires ___________ to pass on the dormant larvae.
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pregnant female dog
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The most commonly diagnosed parasite of puppies and kittens is:
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Ascarid/roundworms
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The IH for Eucoleus is
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the earthworm
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Taenia taeniaformis is ____ infective
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L2
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Ancylostoma brazilense is HSP for
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dogs and cats
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If a person directly ingests Toxocara, they will develop
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OLM/VLM
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The common name of the Parascaris equorum is
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Equine roundworm
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The genus and species if the Cat-Rat tape is
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Taenia taeniformis
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The cold weather hookworm is also known as
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Uncinaria stenocephala
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the intermediate host for Toxacaris leonina is
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nothing---but mice may be PH
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Roundworms belong to phylum
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Nemahelminthes
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The site of infestation for nematodes is
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small intestines
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What are the 3 types of nematode migration?
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*Tracheal- larva travel to lungs and are coughed up and swallowed
*Somatic-larvae encyst in tissues and remain dormant unless they are in an intact female who will then pass them to puppies via umbilical cord where they become active and infest puppies *Mucosal: larvae migrate through intestinal mucosa and back into the intestinal lumen |
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Haemonchus spp is also known as the
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barber pole worm
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Nanophyetus salmincola is also known as the
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Salmon poisoning fluke
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Diplydium caninum is also known as the
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Double pored tapeworm
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Strongylus vulgaris is also known as the
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Equine bloodworm
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Parascaris equorum is alos known as the
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Equine ascarid/roundworm
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Strongyloides westeri is also known as
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Intestinal threadworm
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Fasciola hepatica is also known as the
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Liver fluke
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Cooperia spp. is also known as the
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Cattle bankrupt worm
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Aelurostrongylus abstrusus is also known as the
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Cat lung worm
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Stephanurus dentatus is also known as the
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Swine kidney worm
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Megastrongylus apri is also known as
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Swine lungworm
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Paragonimus kellicotti is also known as
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the Lung fluke
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Trichostrongylus spp. is also known as the
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Black scours worm
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Ancylostoma braziliense is also known as the
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Dog and cat hookworm
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Ostertagia spp is also known as the
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Brown stomach worm and is also the most important parasite in young cattle
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Oesophagostomu is also known as
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the Nodular worm
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Echinococcus has a pathognomic sign of
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Hydatid cyst development
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Ostertagia has a pathognomic sign of
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Morroco leather stomach
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Oesphagostomum spp has a pathognomic sign that is
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Intestinal nodules
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Ancylostoma has a pathognomic siign that is
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CLM
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Toxocara has a pathognomic sign that is
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VLM
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Haemonchus has a pathognomic sign of:
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Bottle jaw
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Arrested development is another name for the ______________ stage
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hypobiotic
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Ruminant strongyles have a ________ life cycle and are difficult to eradicate from the environment.
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direct
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Equine strongyles are __________ parasites
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facultative
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Eucoleus aerophila site of infestation is
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the trachea and bronchi of cats and dogs
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The bar
berpole worm/Haemonchus contortus, prefers _____ as its FH |
sheep
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The swine kidney worm is found worldwide except in
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Europe
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Name the ruminant TASE producing parasites:
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Haemonchus spp
Ostertagia spp. Cooperia spp. Trichostrongylus spp Nematodirus spp is in this group although NO TASE ova Oesophagostomu Stephanurus dentatus |
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Premunition is defined a
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parasitic resistance by an already infested host
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The ____ larval stage of the Strongyle may go into a hypobiotic state>
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L4
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A morphological characteristic of the Nematodirus ova is that it is:
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football shaped
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Ruminant strongyle infestations reach peak numbers
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Spring, summer and fall
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Urine samples are spun at ________ in a ___________ centrifuge,
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1200 to 1500 rpm
fixed head |
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Using the urine sedimentation technique, you can identify which ruminant TASE?
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Sstephanurus dentatus
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Ivermectin is not a anthelmintic for which HOCT complex parasite?
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Trichostrongylus
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Which parasite for the HOCT complex does NOT infest the abomasum?
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Cooperia spp.
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Which parasite of the HOCT complex is the most fertile?
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Haemonchus spp.
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Which parasite of the HOCT complex is the least fertile?
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Trichostrongylus spp.
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The fluid at the top of the centrifuged urine sample is called the
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supranatant
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the cellular component at the bottom of the centrifuged urine sample is the
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button/sediment
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gender of the Free living generation of Strongyloides is:
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male and female
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The obligate generation of Strongyloides are:
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all female (this parasites infectives are all female)
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The obiligate generation of Equine strongyles reproduce by a method called:
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mititic parthinogenesis
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