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11 Cards in this Set
- Front
- Back
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What are the two trematodes that occur in the US?
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Swimmer's itch
Fasciola |
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What is the normal cycle for Swimmer's itch?
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Duck -> snail
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Can humans be infected with Fasciola by eating infected cattle liver? What is the cycle?
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No!
Cattle/sheep -> snail -> aquatic plants ->humans ingest |
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What is the most common flea that infects cats and dogs?
Pulex irritans is what kind of flea? What is the rat flea? |
Ctenocephalides felis (canis not as common)
Human flea Xenopsylla cheopis |
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Which bot flies occur in the US?
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Oestrus ovis & Cuterebra
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When were screworms erraticated from the US?
When was one last seen? Are they obligate parasites? Are they host specific? |
1996
2007 on a dog imported from Trinidad Yes No- will live on anything! |
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What is the definition of myiasis? What does facultative myiasis mean?
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The occurrance of fly larvae where they don't belong
Flies that are attached to open wounds |
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Cochliomyia and Chrysomya are the genuses of what?
Where do they occur? |
Screwworms
Tropics |
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Are mites insects?
Does sarcoptes complete it's lifecycle on humans? |
No! Have 8 legs
Yes if it's S. hominis, no if it's not |
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Are humans vulnerable to Cheyletiella? What name is synonymous to this? Can they complete their life cycle on humans?
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Yes, very
Walking dandruff No |
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Do ticks generally cause much skin inflammation from bites? Why?
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No
Allows them to go unnoticed for longer and to transmit disease |
