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Parasitology Exam 1
| Question | Answer |
|---|---|
| What makes entamoeba species unique from other species? | Peripheral chromatin |
| What entamoeba species is the only pathogen? | E. Histolytica |
| What is the smallest entamoeba species? | E. Hartmanni (8-12) Troph (5-12) Cyst |
| What's unique about E. Coli | Many nuclei (16+) |
| What is different from E. Histolytic than E. dispar | E. Histolytic has RBC inclusions |
| What entamoeba species has their patient sample as mouth scrapings and vaginal/cervical material | E. Gingivalis |
| What patient specimen is most common for entamoeba species | Stool |
| What entamoeba species contains WBC inculsions | E. gingivalis |
| What species don't have a cyst form? | Trichomonas vaginalis, Trichomonas hominis, Naegleria fowleri, Acanthamoeba, dientoemba fragalis |
| What species has a large glycogen vacuole | Iodamoeba butschlii |
| Is endolimax nana pathogenic? | No |
| Is iodamoeba butschlii pathogenic? | No |
| Is naegleria fowleri pathogenic? | Yes. Causes meningoencephalitis, rapid tissue destruction with fever, vomiting, stiff neck, seizures, kernels sign, and death within 3-6 days |
| Is acanthamoeba pathogenic? | Yes. Causes granulomatous amebic encephalitis with CNS infection, headaches, seizures and also causes acanthamoeba keratitis - infection of the cornea can result in loss of vision |
| Which species has spikelike pseudopodia? | Acanthomoeba |
| Which ameba has 3 morpholigcal forms? Name them. | Naegleria fowleri. Troph, flagelette, cyst |
| Name the flagellates. | Giardia intestinalis, chilomastix mesnili, trichomonas vaginalis, trichomonas tenax, trichomonas hominis, dientamoeba fragalis, balantindium coli |
| Which species cyst form has a "shepards crook"? | Chilomastix mesnili |
| Which flagellates are not pathogens? | trichomonas tenax, trichomonas hominis, chilomastix mesnili |
| Which trichomonas species has a full body length undulating membrane? | Trichomonas hominis |
| Which trichomonas species has a half body length undulating membrane? | Trichomonas vaginalis |
| Which trichomonas species has a 2/3 body length undulating membrane? | Trichomonas tenax |
| Which flagellate is the largest? | Balantidium coli |
| What does balantidium coli move with? | Cilia |
| What parasite causes travelers diarrhea? | giardia intestinalis |
| This parasite has a macro and micro nuclei | Balantidium coli |
| E. Histolytica nuclei # | Troph = 1, Cyst = 4 |
| E. Dispar nuclei # | Troph = 1, Cyst = 4 |
| E. Hartmanni nuclei # | Troph = 1, Cyst = 4 |
| E. Coli nueclei # | Troph = 1, Cyst = 16+ |
| E. Polecki nuclei # | Troph = 1, Cyst = 1 |
| E. Gingivalis nuclei # | Troph = 1, Cyst = no known stage |
| Endolimax nana nuclei # | Troph = 1, Cyst = 4 |
| Iodamoeba butschlii nuclei # | Troph = 1, Cyst = 1 |
| Naegleria fowleri nuclei # | Troph = 1 |
| Acanthamoeba nuclei # | Troph = 1, Double-walled cyst = 1 |
| Giardia intestinalis nuclei # | Troph = 2, Cyst = 4 |
| Chilomastix mesnili nuclei # | Troph = 1, Cyst = 1 |
| Trichomonas tenax nueclei # | Troph = 1 |
| Lemon-shape with hyaline knob | Chilomastix mesnili cyst |
| Dientomoeba fragilis nuceli # | Troph = 2 |
| Trichomonas hominis nuclei # | Troph = 1 |
| Trichomonas vaginalis nuclei # | Troph = 1 |
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