ASCP Parasitology Exam Latest
Already Passed
What is the diagnostic procedure for Echinococcus granulosus? ✔✔The microscopic
examination of hydatid fluid aspirated from a cyst.
What is the diagnostic procedure for Onchocerca volvulus? ✔✔Examination of skin snips.
What is the diagnostic procedure for Schistosoma haematobium? ✔✔Examination of urine
sediment.
Charcot-Leyden crystals in stool may be associated with an immune response and are thought to
be formed from the breakdown products of what cell? ✔✔Eosinophils.
How is Trypanosoma brucei rhodesiense transmitted? ✔✔By the bite of the tsetse fly.
Infection with Giardia lamblia is often associated with: ✔✔Ingestion of water contaminated with
cysts.
Upon examination of stool material for Cystoisospora belli, one would expect to see:
✔✔Oocysts that are modified acid fast variable.
,What is the best technique to identify Dientamoeba fragilis in stool? ✔✔Trichromatic stained
smear.
Because there is no known cyst form for Dientamoeba fragilis.
Entamoeba gingivalis ✔✔Known to be an inhabitant of the mouth and is characterized by
morphology that resembles Entamoeba histolytica/E.dispar. However, Entamoeba gingivalis
tends to ingest P.M.N's whereas Entamoeba histolytica/E.dispar does not.
What organism causes primary amoebic meningoencephalitis? ✔✔Naegleria fowleri.
What are the characteristics of the rhabditiform-noninfective-larvae of Strongyloides stercoralis?
✔✔Short buccal capsule and large genital primordium.
Visceral larva migrants is associated with what parasitic organism? ✔✔Toxocara.
Toxocara species are the cause of visceral larva migrants and occur when humans accidentally
ingest the infective eggs of the dog or cat ascarid. The larvae migrate through the deep tissues,
including the eye.
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 inflammation and damage.
, Balantidium coli. ✔✔Not common in the United States.
It can cause watery diarrhea in humans and is associated with pigs.
It is the largest of the intestinal Protozoa.
What method is used to diagnosis Toxoplasmosis? ✔✔Serology.
Examination of 24 hour unpreserved urine specimen is sometimes helpful in the recovery of
what parasitic organism? ✔✔Schistosoma haematobium eggs.
S.haematobium blood flukes reside in the veins over the bladder. When eggs are passed from the
body they are found in the urine.
Eating poorly cooked pork can lead to an infection with what parasitic organism? ✔✔Taenia
solium and Trichinella spiralis.
What is the common name for Strongyloides stercoralis? ✔✔Threadworm.
The examination of sputum man be necessary to diagnosis an infection with what parasitic
organism? ✔✔Paragonimus westermani.
The adult worms are found in the Lung and and the eggs may be coughed up in sputum.
Stool can also be used if the sputum is coughed up and then swallowed.
What is Taenia saginata associated with? ✔✔Beef
Already Passed
What is the diagnostic procedure for Echinococcus granulosus? ✔✔The microscopic
examination of hydatid fluid aspirated from a cyst.
What is the diagnostic procedure for Onchocerca volvulus? ✔✔Examination of skin snips.
What is the diagnostic procedure for Schistosoma haematobium? ✔✔Examination of urine
sediment.
Charcot-Leyden crystals in stool may be associated with an immune response and are thought to
be formed from the breakdown products of what cell? ✔✔Eosinophils.
How is Trypanosoma brucei rhodesiense transmitted? ✔✔By the bite of the tsetse fly.
Infection with Giardia lamblia is often associated with: ✔✔Ingestion of water contaminated with
cysts.
Upon examination of stool material for Cystoisospora belli, one would expect to see:
✔✔Oocysts that are modified acid fast variable.
,What is the best technique to identify Dientamoeba fragilis in stool? ✔✔Trichromatic stained
smear.
Because there is no known cyst form for Dientamoeba fragilis.
Entamoeba gingivalis ✔✔Known to be an inhabitant of the mouth and is characterized by
morphology that resembles Entamoeba histolytica/E.dispar. However, Entamoeba gingivalis
tends to ingest P.M.N's whereas Entamoeba histolytica/E.dispar does not.
What organism causes primary amoebic meningoencephalitis? ✔✔Naegleria fowleri.
What are the characteristics of the rhabditiform-noninfective-larvae of Strongyloides stercoralis?
✔✔Short buccal capsule and large genital primordium.
Visceral larva migrants is associated with what parasitic organism? ✔✔Toxocara.
Toxocara species are the cause of visceral larva migrants and occur when humans accidentally
ingest the infective eggs of the dog or cat ascarid. The larvae migrate through the deep tissues,
including the eye.
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 inflammation and damage.
, Balantidium coli. ✔✔Not common in the United States.
It can cause watery diarrhea in humans and is associated with pigs.
It is the largest of the intestinal Protozoa.
What method is used to diagnosis Toxoplasmosis? ✔✔Serology.
Examination of 24 hour unpreserved urine specimen is sometimes helpful in the recovery of
what parasitic organism? ✔✔Schistosoma haematobium eggs.
S.haematobium blood flukes reside in the veins over the bladder. When eggs are passed from the
body they are found in the urine.
Eating poorly cooked pork can lead to an infection with what parasitic organism? ✔✔Taenia
solium and Trichinella spiralis.
What is the common name for Strongyloides stercoralis? ✔✔Threadworm.
The examination of sputum man be necessary to diagnosis an infection with what parasitic
organism? ✔✔Paragonimus westermani.
The adult worms are found in the Lung and and the eggs may be coughed up in sputum.
Stool can also be used if the sputum is coughed up and then swallowed.
What is Taenia saginata associated with? ✔✔Beef
