11. In the human, microsporidian spores generally measure approximately: a. 1 to
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11. In the human, microsporidian spores generally measure approximately: a. 1 to 4 um c. 8 to10 m d. None of the above 12. Which of the following infections are more likely to cause major symptoms in the immunocompromised patient? a. Entamoeba dispar b. Enterocytozoon bieneusi c. Trichomonas hominis d. Giardia lamblia 13. Which of the following should be quantitated (rare, few, moderate, many, packed) on the laboratory report form? a. White blood cells (WBCs) and Blastocystis hominis b. Red blood cells (RBCs) and Entamoeba histolytica c. Budding yeast cells and Giardia lamblia d. Charcot-Leyden crystals and microsporidian spores 14. If Entamoeba spp. trophozoites are seen in a permanent stained smear (no ingested RBCs, 13 m, nucleus with evenly arranged chromatin and small, compact karyosome), they should be reported as: a. Entamoeba histolytica trophozoites b. Entamoeba coli trophozoites c. Entamoeba dispar trophozoites d. Entamoeba histolytica/E. dispar trophozoites Parasitic organisms that may be sexually transmitted include a. Pentatrichomonas hominis b. Dientamoeba fragilis c. Trichomonas vaginalis d. Enteromonas hominis 15. 16. Intestinal protozoa that are considered nonpathogenic include a. Blastocystis hominis and Entamoeba histolytica b. Endolimax nana and Entamoeba coli c. Giardia lamblia and lodamoeba bütschlii d. Entamoeba hartmanni and Dientamoeba fragilisExplanation / Answer
11. Answer is option a) 1 to 4 micrimeter. Microsporadia are highly reduced fungi and cause infection in humans.
12. Answer is option c) Trichomonas hominis. It can cause life threatening diarrhoea in immunocompromised individuals. Giardia lamblia affects small intestine. Entamoeba dispar is caused by noninvasive protozoa and affects large intestine. Enterocytozoon bieneusis is a type of microsporadia and affects intestinal epithelial cells.
13. Answer is option d) Charcot-leyden crystals and microsporadian spores. Rest can be quantized in the form of numbers.
14.Answer is option d) Entamoeba histolytica/E dispar trophozoites. The E histolytica will contain ingested RBCS and E coli will have lumped chromatin.
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