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Parasitology Test 2
Intestional amoeba, Blood protozoa, sporozoa...
Question | Answer |
---|---|
West African Sleeping Sickness | T. brucei gambesiense |
T. brucei gambesiense and rhoesiense is transmitted by? | Tsetse fly |
East African Sleeping Sickness | T. brucei rhodesiense |
Chaga's Disease | Trypanosoma cruzi |
Trypanosoma cruzi is transmitted by | Reduvid bugs |
Localized inflammation Painful nodule on face Edema, rash around eyes | Trypanosoma cruzi |
Leishmania affecting nasal and oral | L. braziliensis |
Leishmania affecting the entire body | L. donovani complex |
Leishmania is found where in the blood | buffy coat |
Leishmania is transmitted by | sandflies |
Entero-Test capsule is used to find | Giardia lamblia |
found in the Urogenital system | Trichomonas vaginalis |
Trichomonas vaginalis specimens should never... | be refrigerated |
sexually transmitted | Trichomonas vaginalis and isospora belli |
Lives in cecal region of large intestine | chilomastix mesnili |
The only human pathogenic ciliate | Balantidium coli |
Can be confused with a helmenth egg | Balantidium coli |
Domestic hogs important reservoir | Balantidium coli |
Infect intestinal mucosa | Sporozoa |
Don’t confuse with yeasts | cryptosporidium parvum |
Use Autofluorescence to find | cyclospora cayetanensis |
Cats, felines are definitive hosts | Toxoplasma gondii |
Transplacental infection | Toxoplasma gondii |
Mimics mononucleosis | Toxoplasma gondii |
Serology for IgM, IgG, ELISA, TORCH titers used to diagnose | Toxoplasma gondii |
Obligate, intracellular, spore-forming protists | Microsporidia |
Cause of primary amebic meningioencephalitis | Naegleria fowleri |
Penetrate nasal mucosa into brain | Naegleria fowleri |
Most cases diagnosed on autopsy. | Naegleria fowleri |
Associated with exposure to contaminated water through swimming. | Naegleria fowleri |
Cause granulomatous amebic encephalitis | Acanthamoeba |
effects contact lenses | Acanthamoeba |
Children n tropics, daycare; animal handlers; international travelers | cryptosporidium parvum |
Plasmodium is transmitted by | masquitos |
ring form of plasmodium | early trophozoites |
Rupture of large numbers of RBC | Plasmodium |
Reinfection of RBCs from liver | Plasmodium |
P. falciparum fever spike | 36-48 hrs |
P. malariae fever spike | 72 hrs |
P. ovale fever spike | 48 hrs |
P. vivax fever spike | 48 hrs |
First Plasmodium that needs to be eliminated is | P. falciparum |
Maltese cross | Babesia |
rodent parasite | B. microti |
cattle fever | Babesia |
transmitted by ticks | Babesia |
Pathogenic (amebic dysentary) | Entamoeba histolytica & E. dyspar |
“Oval with eyes” | Dientamoeba fragilis |
What differentiates Trypanosoma from leishmania | Flagella |
This parasite causes death by kidney damage | T. brucei rhodesiense |
Why is it important to wear gloves when working with Trypanosoma rhodesiense | can be transmitted through touch (skin) |
American trypanosomiasis | Trypanosoma cruzi |
Called the kissing bug | Trypanosoma cruzi |
didnt take treatment long enough to rid erythrocytic cycle | recrudescence |
Returning of the erythrocytic cycle usually from the liver | relapse |
Babesia doesnt have what compared to plasmodium | fever spikes |
thickness of a slide is important for the diagnosis of what | Malaria |
how many fields must be reviewed under oil immersion to call malaria posative | 200-300 |
How many hours of testing is needed to rule out malaria | 36 hours |
pathogenic Entamoeba | E. histolytica |
Non pathogenic Entamoeba | E. dyspar |
Ingestion of RBC | E. histolytica |
Entamoeba histolytica & E. dyspar live where | subtropics |
Hartmanni is what type of pathogen | non pathogenic |
Hartmanni is smaller compared to | E. histolytica |
Karyosomes are off center in | entamoeba coli |
Entamoeba coli have how many nuclei in a cyst | 8 nuclei |
Endolomax nana is what type of pathogen | non pathogenic |
"blot like" karyosome | Endolomax nana |
Endolomax nana have how many nuclei in a cyst | 4 nuclei in oval shaped cyst |
What cyst has an unstained vacuole | Iodamoeba butschii |
Has a large center vacuole | Blastocystis hominis |
Which amebae has no cyst form | Dientamoeba fragilis |
Amebae form besides cyst | Trophozoite |
Trichomonas have no cyst form | true |
Whiplike structure to move | Flagellates |
6-7 hair on cell | ciliate |
meboid motion | Ameba |
ingestion of water | penocytosis |
ameba eat this for food | intestional flora |
This flagellate is very common in the united states | giardia lamblia |
Active feeding stage | Trophozoite |
the survival stage | Cyst |
Giardia lamblia has how many: nuclei median bodies Axostyle | 2 sets of each |
is giardia lamblia anerobic or aereobic | anerobic |
Stains used to identify parasites | Giemsa stain, iodine stain, trichrome stain, and somtimes wright stain |
This is used to identify moving parasites | Wet prep |
This parasite has its nucleus jammed up as far as possible in its trophozoite | Chilomastix mesnili |
What type of pathogen is trichomonas hominis | nonpathogenic |
what type of pathogen is chilomastix mesnili | non pathogenic |
This parasite has a knob on top of its cyst form | Chilomastix mesnili |
Ciliates: Balantidium coli is what type of pathogen | pathogenic |
Has a mouth at the top and cilia all around | Ciliates: Balantidium coli |