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Endo /Excto parasite
| Question | Answer |
|---|---|
| What are the 3 types of Helminths? | -Nematodes -Tapeworms -Flukes |
| What are the 3 major classes of parasites? | -Helminths -Arthropods -Protozoa |
| What is the medical name of the canine roundworm? | Toxocara canis |
| Where do roundworms live? | Small intestine |
| What are the 4 methods of transmission in the toxocara canis? | Direct/ Transplacental /Transmammary /Predation of host |
| True or false. Fresh feces are not infected with toxocara canis. | True |
| True or false. Roundworms travel via the portal bloodstream until they end up in the lungs. | True |
| What is the average span of a lifecycle in the toxocara canis? | 4-5 weeks |
| What are the 3 descriptions of a roundworm ova? | -Rounded egg -Thick outer membrane -Dark center |
| Define distension. | Extreme bloat of the abdomen. |
| What type of larval migrans can toxocara cause? | -visceral -ocular -neural |
| What is the medical name of the hookworm? | Ancylostoma caninum |
| Ancylostoma caninum is found in what percentage of dogs? | 20% |
| What are the 4 methods of transmission in the Ancylostoma caninum? | -Direct -Transplacental -Transmammary -Skin penetration |
| About how long does it take for the Ancylostoma caninum to grow and mature after digestion? | 18-21 days |
| Female ancylostoma caninums can lay up to how many eggs per day? | 30,000 |
| What are the 3 stages of endoparasites? | -Egg/ova -Hatchling -Larvae |
| What stage in the endoparasite is considered to be the infective stage? | L3 or Larvae |
| What type of migration is involved with the ancylostoma caninum? | Tracheal migration |
| What are the 3 descriptors of the ancylostoma caninum ova? | -Thin outer membrane -Visible cytoplasm -Oval in shape |
| Infective ancylostoma caninum larvae can penetrate the skin causing what type of migran? | Cutaneous larval migran |
| What is the medical name of the whipworm? | Trichuris vulpis |
| How long is the prepatent period of the trichuris vulpis? | 70-190 days |
| True or false. Flank suckling is a unique chacteristic of the trichuris vulpis. | True |
| Trichuris vulpis eggs can live in the soil for up to how many years? | 5 years |
| What is the medical name of an adult heartworm? | Dirofilaria immitis |
| What is the vector of the Dirofilaria immitis? | Mosquito |
| True or false. Heartworms are common in dogs, cats, ferrets, and some humans. | True |
| Name the non-pathogenic pseudoheartworm. | Dipetalonema reconditum |
| What are the 3 main physical differences between the dipetalonema reconditum and the dirofilaria immitis? | Tail, head, and type of movement |
| Which side of the heart do heartworms usually live? | Right (Atrium and Ventricle) |
| How long is the prepatent period of the dirofilaria immitis? | 6 months |
| What is detected in a positive SNAP test? | Adult female hormone |
| What is another name for class 4 of heartworm disease? | Caval Syndrome |
| What is the medical name of the tapeworm species that does NOT require the flea as an immediate host? | Taenia |
| What is the medical name of the flea tapeworm? | Dipylidium caninum |
| What term describes the asexual process of forming segments? | Strobilation |
| What is the intermediate host of the fluke? | Snail |
| True or false. Taenia have larger proglottids than the dipylidium caninum. | True |
| Name the lizard poisoning fluke of the cat. | Platynosomum fastosum |
| Name the salmon poisoning fluke of the dog. | Nanopyetus salmincola |
| Name the intestinal fluke of both dogs and cats. | Alaria |
| Name the common liver fluke. | Fasciola hepatica |
| How many eggs can a fluke produce in a mild infestation | 25,000 per day |
| True or false. All coccidians are protozoas. | True |
| Coccidians and protozoas typically live in what part of thebody? | Small intestine |
| What is the least common type of protozoa? | Sarcocystis |
| Coccidians form what instead of laying eggs? | Oocysts |
| Name the type of parasite that's definitive host is the feline family and the conidition in humans it affects most? | Toxoplasma- Pregnancy |
| Anaplasma is what type of parasite? | Blood parasite |
| flagellated protozoan transmitted by drinking stagnant water/eating unwashed produce? | Giardia |
| What are the 2 types of Parasitism ? | Multiple Parasitism and Super parasitism |
| How many eggs per hours can a female flea lay? | 1 Per/hr |
| 3 things that determine the severity of clinical signs shown by a host | # of parasites degree of damage Overall health of host |
| The condition caused by hookworms in humans and the location most commonly affected. | Cutaneous larval migrans - Feet |
| Cestodes are the family name for what parasite? | Tapeworm |
| 4 effects seen with external parasites | Puritis, dermatitis,alopecia, anemia, |
| What are you looking for in a fecal floatation? | Ova |
| What are you looking for in a direct fecal smear? | Motility/ Protozoa |
| 5 type of symbiotic relationships | Predator/prey- Phoresis- mutualism- commensalism- parasitism |
| Define: Parasitiasis | Not showing clinical signs/symptoms of parasites |
| Define: Parasitosis | Showing signs/symptoms of parasites |
| Def: Pre-patent period | Infection to detection |
| Def: Incubation period | Infection to clinic signs |
| Def: Infection Def: Infestation | Within the body On the body |
| parasites may reproduce by ? | Live young, eggs or division |
| What is the Difference in a biting and suck louse? | Head size compared to thorax Biting: bigger Sucking: smaller |
| Def:Stenoxenous Def: Euryxenous | Narrow host range Broad host range |
| Medical name for the common ear mite? | Otodectes cynotis |
| "Red mange" is also known as? "Black mange" is also know as? | Demodectic mange Sarcoptes Scabiei |
| Scabies found in felines? | Hotoedres |
| Medical name for Walking Dandruff | Cheyletetiella |
| what substance is combined with a direct smear? | Saline |
| what substance is used with feces for a fecal float? | Fecalsol |
| The most common flea seen in both k-9's Fel's? | Ctenocephalides |
| Bot fly larva are called? | Cuterebra |
| Def: Zoonotic | Transmitted from animals to humans |
| How do you calculate total magnification? | Ocular lens X objective lens |
| 3 most common microscope lens? | 4x scanning lens 10x 40x high dry |
| Symbiosis: | Living together |
| Predator /prey: | Short term relationship, one benefits at expense of the other |
| Phoresis: | Mechanically carried |
| Mutualism: | Both benefit |
| commesalism: | 1 benefits the other doesn't benefit nor is harmed |
| Parasitism: | 2 organism of diff ssp in which one lives on or in at the expense of the other. |
| Def: Parasite | organism that lives on/in at the expense of the host. |
| definitive host: | harbors adult , sexually mature stage |
| Intermediate | Harbors juvenile, asexual stage |
| Def Nematode: | All worms except tapeworms |
| What are the 2 forms of Mange of both Red and black mange? | Localized and Generalized |
Created by:
brit_2112
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