Parasitology - VTNE Review with 100% correct answers 2024
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Course
Parasitology -
Institution
Parasitology -
Protozoa
One celled, microscopic parasites
What are examples of protozoa?
Ameba (Entamoeba)
Flagellates (Guardia, Leishmania)
Ciliates (Balantidium)
Sporozoa; coccidians; organisms who's adult stage is not motile. (Plasmodium, Cryptosporidium)
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Parasitology - VTNE Review
with 100% correct answers
2024
Protozoa - answer One celled, microscopic parasites
What are examples of protozoa? - answer Ameba (Entamoeba)
Flagellates (Guardia, Leishmania)
Ciliates (Balantidium)
Sporozoa; coccidians; organisms who's adult stage is not motile.
(Plasmodium, Cryptosporidium)
What are sample diseases of protozoa? - answer Malarias,
piroplasmoses, coccidioses, trypanosomiases
Helminths - answer Multicelled; usually visible to the naked eye
What are examples of helminths? - answer Flatworms
(Platyhelminths)
Trematodes (Flukes)
Cestodes (Tapeworms)
Thorny-headed (acanthocephalins)
Roundworms (Nematodes)
What are sample diseases of helminths? - answer Eyeworm, heart
worm, onchocerciasis, dipyidiasis, hump sore, etc.
, Ectoparasites and Arthropods - answer Live on external surfaces or
in the skin.
Serve as vectors to transmit infective organisms from one host to
another.
What are examples of ectoparasites and arthropods? - answer
Diptera: mosquitoes, black flies, horseflies, deer flies
Fleas and lice
What are sample diseases of ectoparasites and arthropods? -
answer Heartworm (from mosquitoes)
Malaria
West Nile; equine encephalitis
What is the specific gravity of most parasite eggs? - answer
Between 1.100 and 1.200
SG of water is 1.000
What solutions are used for flotation? - answer Sodium nitrate; SG
of 1.200-1.250
Sugar solutions; 1.330
Zinc sulfate solution; 1.180
Saturated sodium chloride solution; 1.200
How much feces is needed for flotation? - answer 2-4g (0.5-1
teaspoon)
When are direct smears used in fecal? - answer They are used to
detect protozoa in feces.
Quickly estimate the number of parasites.
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