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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 |