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BIO 315- General Parasitology NCSU Exam 2.
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BIO 315- General Parasitology NCSU Exam 2.
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BIO 315- General Parasitology NCSUExam 2
Amount of cases of malaria in the United States every year - ANS-1500-2000
Anisakasis- Parasite - ANS-Anisakid nematodes
Anisakasis- Symptoms - ANS-Abdominal pain, nausea, vomiting, abdominal distention,
diarrhea, blood and mucus in stool, and mild fever
Anisakasis- Transmission - ANS-Humans are infected by eating infected and
undercooked fish or squid. Eggs are released into the seas from certain marine
mammals and infect crustaceans which are then eaten by fish or squid.
Describe the life cycle of Plasmodium starting with cells that mosquitos transfer to
humans - ANS-Sporozoites developed in mosquito salivary glands -> enter the liver
where they multiply -> cells infected with sporozoites burst eventually releasing
merozoites -> merozoites infect red blood cells -> merozoites develops into a ring
known as the trophozoites -> can become a schizont -> schizonts rupture producing
more merozoites infecting more red blood cells -> asexual reproduction continues
through this loop -> some infected red blood cells produce gametocytes -> gametocytes
are transmitted to a mosquito when it drinks infected blood -> gametocytes fuse into a
zygote (oocyst) in the mosquito -> oocyst eventually ruptures releasing sporozoites into
mosquito salivary glands
Dracunculiasis- Cases - ANS-Worldwide, 20.9 million cases (as of 2017)
Dracunculiasis- Parasite - ANS-Dracunculus medinensis (nematode)
Dracunculiasis- Symptoms - ANS-Slight fever, itchy rash, nausea, vomiting, diarrhea,
dizziness, and a blister forming
Dracunculiasis- Transmission - ANS-Humans are infected by drinking unfiltered water
with infected copepods. Vectors include copepods, fish, and frogs. Humans can also be
infected by eating undercooked fish or frogs.
GAE - ANS-infection of the brain and CNS, also causing damage to the liver and
spleen. Caused by Acanthamoeba spp. and Balamuthia mandrillaris
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