Exam 2 Practical Flashcards
Name this pathogenic trypanosomatid that can be found in blood and tissues
Leishmania spp (extracellular)
Name this pathogenic apicomplexa that can be found in blood and tissues
Plasmodium ovale
- Infects larger-sized RBCs
- Stippling present
- Fimbriated
- Schizont contains 6-14 merozoites
Name this nonpathogenic protozoa that can be found in the intestines
Endolimax nana troph
Name this pathogenic trypanosomatid that can be found in blood and tissues
Trypanosoma brucei
- Small kinetoplast
Name this nonpathogenic protoza that can be found in the intestines
Chilomastix mesnili cyst
Name this nonpathogenic protozoa that can be found in the intestines
Pentatrichomonas hominis troph (no cyst form yet identified)
Name this nonpathogenic protozoa that can be found in the intestines
Chilomastix mesnili troph
Name this pathogenic flagellate that can be found in blood and tissues
Trichomonas vaginalis troph
Name this pathogenic apicomplexa that can be found in the intestines
Sarcocystis hominis and S. suihominis
(Autofluoresces)
Name this pathogenic apicomplexa that can be found in the intestines
Cyclospora cayetanensis oocysts
(Modified-acid fast alters morphology, ghost cells don’t stain)
Name this pathogenic trypanosomatid that can be found in blood and tissue
Leishmania spp (intracellular)
Name this nonpathogenic protozoa that can be found in the intestines
Enteromonas hominus
Name this pathogenic apicomplexa that can be found in blood and tissues
Plasmodium falciparum
- Infects normal-sized RBCs
- No stippling
- Primarily ring forms seen in RBCs
- Multiple rings/RBC
- Banana shaped gametophytes
Name this pathogenic amoebae that can be found in blood and tissues
Balmuthia mandrillaris cyst
Name this nonpathogenic protozoa that can be found in the intestines
Iodamoeba bütschlii cyst
Name this pathogenic apicomplexa that can be found in blood and tissues
Babesia spp
To differentiate from Plasmodium, Babesia produces racket-shaped merozoites, ring forms, an extracellular parasites are seen)
Name this pathogeic apicomplexa that can be found in blood and tissues
Toxoplasma gondii bradyzoite
Name this nonpathogenic protozoa that can be found in the intestines
Iodamoeba bütschlii troph
Name this nonpathogenic protozoa that can be found in the intestines
Restortamonas fragilis troph
Name this pathogenic apicomplex that can be found in blood and tissues
Toxoplasma gondii tachyzoite
Name this pathogenic intestinal apicomplexa and the type of form (troph vs. cyst)
25-30µm
Cystoisospora belli
(Note ellipsoidal shape containing 1 sporoblast)
Name this fungi that can be found in the intestines
Microsporidia
Name this pathogenic amoeba that can be found in blood and tissues
Acanthamoeba spp cyst (double walled)
Name this pathogenic amoebae that can be found in the intestines
Entamoeba hartmanni cyst
Name this pathogenic apicomplexa that can be found in blood and tissues
Plasmodium malariae
- Infects normal to slightly larger RBCs
- No stippling
- May see “band form” trophs
Name this pathogenic amoebae that can be found in the intestines
Entamoeba harmanni troph
Name this pathogenic amoebae that can be found in blood and tissues
Acanthamoebae spp troph
(bull’s eye; identical to Balamuthria mandrillaris troph)
Name this pathogenic apicomplexa that can be found in the intestines
4-6µm
Cryptosporidium spp oocysts
(Note, how the oocysts have four crescent-shaped sporozoites present)
Name this pathogenic flagellate that can be found in the intestines
4-12µm
Dientamoeba fragilis cyst
Name this nonpathogenic protozoa that can be found in the intestines
Restortamonas intestinalis cyst
Name this pathogenic aplicomplexa that can be found in blood and tissues
Plasmodium vivax
- Ring forms present (amoeboid trophs)
- Infects larger-sized RBCs
- Stippling present
- Schizont contains 12-24 merozoites
Name this pathogenic amoebae that can be found in the intestines
15-20µm
Entamoeba histolytica troph
(Note the RBCs w/in the cytoplasm; left pic is a trichrome stain)
Name this pathogenic ciliate that can be found in the intestines
40-200µm
Balantidiium coli troph
(Note kidney bean-shaped macronucleus; right pic is a wet mount, note cilia)
Name this nonpathogenic protoza that can be found in the intestines
Endolimax nana cyst
Name this pathogenic amoebae that can be found in the intestines
12-15µm
Entamoeba histolytica cyst
Name this pathogenic amoebae that can be found in blood and tissues
Naegleria fowleri
Name this pathogenic trypanosomatid that can be found in blood and tissues
Trypanosoma cruzi
- Large kinetoplast = Large badonk-a-donk
Name this pathogenic flagellate that can be found in the intestines
12µm
Giardia intestinalis troph
Name this miscellaneous organism that can be found in the intestines
Blastocystis spp
Name this pathogenic flagellate that can be found in the intestines
10µm
Giardia intestinalis cyst
(Trichrome stain)
