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15 Cards in this Set
- Front
- Back
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Which part of the entamoeba histolytic life cycle is invasive?
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trophozoite (it invades gut wall, causes liver abscess)
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how is entamoeba dispar different from entamoeba histolytic?
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it isn't invasive therefore it is not-pathogenic
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1. how is amoebiasis treated in tissue infection?
2. how is it eradicated from the gut? |
1. metronidazole, tinidazle, oral cholorquine
2. diloxanida furate, paromomyin |
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What is the treatment for giaria?
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1. metronidazole
2. aldendazole, nitaoxanide |
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How does Cryptosporidium parvum infect?
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1. oocyst ingested from contaminated water or food (either person-person or animal-person)
2. 4 sporozoites are released which invade the epithelial cells, these produce oocytes which are passed in faeces |
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What are the symptoms of cryptosporidium?
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1. watery diarrhoes, cramps, gas, wt loss, fever
2. self-limited 3. fulminant in immunocomp (HIV) |
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how is cryptosporidium diagnosed?
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acid fast oocytst in stool
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Treatment for cryptosporidium:
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nitazoxanide
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how are gut protozoa controlled and prevented?
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water sanitation/hygiene
education improve quality of life |
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What is entamoeba coli?
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non-pathogenic protozoa, cysts are round 15-30 micrometers (larger cysts than E. histolytica/dispar)
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What is endolimax nana?
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non-pathogenic gut protozoa, cysts are oval 7-9 micrometres
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what is iodamoeba buetschlii?
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non-pathogenic gut protozoa, irregular cysts 9-15 micrometers
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What is cliomastix mesnili?
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non-pathogenic flagellate, cysts are lemon shaped (8 microns)
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What are Balantidium coli?
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Ciliated trophozoite motile cysts that infect pigs, but not people a lot (may cause dysentry
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What is Isospora belli?
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protozoa that infects AIDS patients. fecal-oral transmission of oocyte
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