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Parasites
PATHO TEST 2
Question | Answer |
---|---|
Protists | Protozoa - unicellular eukaryotes Giardiasis and malaria |
Helminths | Worms that cause infection |
Insects | directly cause disease or serve as vector |
Malaria | Plasmodium protozoan transmitted by mosquito destroys RBCs affects liver and spleen jaundice, chills, hemolytic anemia, hepatomegaly, splenomegaly chloroquine treatment - prevention, pregnancy malaria prophylaxis |
Toxoplasmosis | Toxoplasmosis gondii cysts present in cat feces can be transmitted to fetus in immunocompromised may cause severe infection can cause encephalitis (brain infection) Active - get through placenta Nonactive - already exposed and hiding, need a chance |
Prions | proteinaceous infectious agents brain disease in humans and animals - bovine spongiforrm encephalapathy prions convert proteins into prion-type protein sponge-like appearance of brain tissue |
Crutzfeldt - Jakob Disease (CJD) | fatal degenerative neurological disease spongiform appearance of brain - not solid |
Bovine Spongiform Encephalopathy | "Mad cow" disease spread via meat and bone meal fed to cattle |