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41 Cards in this Set

  • Front
  • Back
Entomoeba Histolytica causes these two symptoms
GI bleeding
E. histolytica may mimic _______
GI Carcinoma
Entamoeba Histolytica pathology
1. perforate mucosa

2. Liver Abscesses
Transmission of E. histolytica
fecal-oral trasmission of contaminated food/water -> Cyst ingested -> in ileum differentiates to Troph -> Troph becomes Cyst -> Cyst released in stools
Colon Ulcer morphology of E. histolytica
Histology of Entamoeba Histolytica
Larger than human cells
Redish off-center nucleus
RBC's in cytoplasm
Treatment for Entamoeba Histolytica
Cryptosporidium is similar in structure and function to ___________
Cryptosporidium forms environmentally-resistant __________
Cryptosporidium primarily infects these people
Late-stage HIV
Cryptosporidium is notorious for this outbreak
Milwaukee which infected ~400,000 people
Hosts of Cryptosporidium
Cryptosporidium life cycle
fecal-oral from animals or humans -> OOCYSTS ingested -> oocysts release sporozoites in SI -> Sporozoites differentiate into Troph and attach to Intestinal Microvilli -> Watery non-bloody diarrhea
Stain used to diagnose Cryptosporidium
Acid Fast stain = Kinyoun
Symptoms of Cryptosporidium
Watery non-bloody diarrhea usually in HIV patient
Primary symptoms of Cryptosporidium are due to ________
Cryptosporidium may disseminate to these sites
Biliary tree
Respiratory mucosa
Most important aspect of Cryptosporidium treatment
maintenance of good cellular immunity
Giardia Lambia is often called _______
Beaver Fever
Giardia Lamblia transmittance
Contaminated water usually in hikers drinking contaminated water from streams
Symptoms of Giardia Lambia
Severe, non-bloody diarrhea
Giardia treatment
1. Oral re-hydration
2. Metronidazole (Flagyl)
Prevention of Giardiasis
1. Water filters
2. Iodine treatment
Most common Protozoan
Trichomonas Vaginalis
Trichomonas vaginalis normally causes ....
sexually trasmitted disease
Female symptoms of Trichomonas
1. greenish, watery discharge
2. "fishy" odor
Diagnosis of Trichomonas
"hanging drop" Wet Mount
How is Trichomonas distinguished from other Flagellate Protozoa?
lacks a Cyst form
Commensal protozoan organism
Endolimax nana
Entamoeba histolytica
What Protozoa causes this?
Entamoeba histolytica
What protozoa causes this?
Entamoeba histolytica
What protozoa is this?
Entamoeba histolytica = liver abscesses
What protozoa causes this pathology?
Entamoeba histolytica
What protozoa is this?
Cryptosporidium parvum
What protozoa is on the surface of GI?
Crytosporidium Parvum

AFB = Kinyoun stain
What protozoa and what stain?
Giardia Lambia
-usually from contaminated water during hiking
-"Beaver Fever"
-non-bloody, foul smelling diarrhea
Protozoa in this pic?
Giardia Lambia
What protozoa is this?
Giardia Lambia
What protozoa?
Giardia Lambia
What protozoa
Trichomonas Vaginalis
-watery, green, fishy-smelling vaginal discharge

Hanging drop wet mount
What protozoa?

What test?