ASCP Parasitology Final Exam Study Guide
Test.
1. What is the diagnostic procedure The microscopic examination of hydatid fluid
aspirated
for Echinococcus granulosus? from a cyst.
2. What is the diagnostic procedure Examination of skin snips.
for Onchocerca volvulus?
3. What is the diagnostic procedure Examination of urine sediment.
for Schistosoma haematobium?
4. Charcot-Leyden crystals in Eosinophils.
stool may be associated
with an im- mune response
and are thought to be
formed from the break-
down products of what
cell?
By the bite of the tsetse fly.
5. How is Trypanosoma
brucei rhodesiense
Ingestion of water contaminated with cysts.
transmitted?
6. Infection with Giardia lamblia
is often associated with: Oocysts that are modified acid fast variable.
7. Upon examination of stool
ma- terial for Cystoisospora
belli, one would expect to Trichromatic stained smear.
see: Because there is no known cyst form for
Dientamoeba fragilis.
8. What is the best
technique to identify
Dientamoeba fragilis in
stool?
, ASCP Parasitology Final Exam Study Guide
Test.
9. Entamoeba gingivalis Known to be an inhabitant of the mouth and is
character-
ized by morphology that resembles Entamoeba
histolyt- ica/E.dispar. However, Entamoeba gingivalis
tends to in-
, ASCP Parasitology Final Exam Study Guide
Test.
gest P.M.N's whereas Entamoeba
histolytica/E.dispar does not.
10. What organism causes Naegleria fowleri.
primary amoebic
meningoencephalitis?
Short buccal capsule and large genital primordium.
11. What are the
characteristics of the
rhabditiform-noninfec-
tive-larvae of Strongyloides
ster- coralis?
Toxocara.
12. Visceral larva migrants is Toxocara species are the cause of visceral larva
associ- ated with what migrants and occur when humans accidentally
parasitic organ- ism? ingest the infective eggs of the dog or cat ascarid.
The larvae migrate through the deep tissues,
including the eye.
13. What are visceral larva migrans? A condition in humans caused by the migratory
larvae of
certain nematodes, humans being a dead end
host. These nematodes can infect but not mature
in humans and after migrating through the intestinal
wall, travel with the blood stream to various organs
where they cause inflam- mation and damage.
14. Balantidium coli. Not common in the United States.
It can cause watery diarrhea in humans and is
Test.
1. What is the diagnostic procedure The microscopic examination of hydatid fluid
aspirated
for Echinococcus granulosus? from a cyst.
2. What is the diagnostic procedure Examination of skin snips.
for Onchocerca volvulus?
3. What is the diagnostic procedure Examination of urine sediment.
for Schistosoma haematobium?
4. Charcot-Leyden crystals in Eosinophils.
stool may be associated
with an im- mune response
and are thought to be
formed from the break-
down products of what
cell?
By the bite of the tsetse fly.
5. How is Trypanosoma
brucei rhodesiense
Ingestion of water contaminated with cysts.
transmitted?
6. Infection with Giardia lamblia
is often associated with: Oocysts that are modified acid fast variable.
7. Upon examination of stool
ma- terial for Cystoisospora
belli, one would expect to Trichromatic stained smear.
see: Because there is no known cyst form for
Dientamoeba fragilis.
8. What is the best
technique to identify
Dientamoeba fragilis in
stool?
, ASCP Parasitology Final Exam Study Guide
Test.
9. Entamoeba gingivalis Known to be an inhabitant of the mouth and is
character-
ized by morphology that resembles Entamoeba
histolyt- ica/E.dispar. However, Entamoeba gingivalis
tends to in-
, ASCP Parasitology Final Exam Study Guide
Test.
gest P.M.N's whereas Entamoeba
histolytica/E.dispar does not.
10. What organism causes Naegleria fowleri.
primary amoebic
meningoencephalitis?
Short buccal capsule and large genital primordium.
11. What are the
characteristics of the
rhabditiform-noninfec-
tive-larvae of Strongyloides
ster- coralis?
Toxocara.
12. Visceral larva migrants is Toxocara species are the cause of visceral larva
associ- ated with what migrants and occur when humans accidentally
parasitic organ- ism? ingest the infective eggs of the dog or cat ascarid.
The larvae migrate through the deep tissues,
including the eye.
13. What are visceral larva migrans? A condition in humans caused by the migratory
larvae of
certain nematodes, humans being a dead end
host. These nematodes can infect but not mature
in humans and after migrating through the intestinal
wall, travel with the blood stream to various organs
where they cause inflam- mation and damage.
14. Balantidium coli. Not common in the United States.
It can cause watery diarrhea in humans and is
