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ASCP PARASITOLOGY EXAM QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASCP PARASITOLOGY EXAM QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ASCP PARASITOLOGY EXAMQUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What is the diagnostic procedure for Echinococcus granulosus? - ANSWER The microscopic examination
of hydatid fluid aspirated from a cyst.
What is the diagnostic procedure for Onchocerca volvulus? - ANSWER Examination of skin snips.
What is the diagnostic procedure for Schistosoma haematobium? - ANSWER 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? - ANSWER Eosinophils.
How is Trypanosoma brucei rhodesiense transmitted? - ANSWER By the bite of the tsetse fly.
Infection with Giardia lamblia is often associated with: - ANSWER Ingestion of water contaminated with
cysts.
Upon examination of stool material for Cystoisospora belli, one would expect to see: - ANSWER Oocysts
that are modified acid fast variable.
What is the best technique to identify Dientamoeba fragilis in stool? - ANSWER Trichromatic stained
smear.
Because there is no known cyst form for Dientamoeba fragilis.
Entamoeba gingivalis - ANSWER 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? - ANSWER Naegleria fowleri.
, What are the characteristics of the rhabditiform-noninfective-larvae of Strongyloides stercoralis? -
ANSWER Short buccal capsule and large genital primordium.
Visceral larva migrants is associated with what parasitic organism? - ANSWER 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? - ANSWER 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. - ANSWER 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? - ANSWER Serology.
Examination of 24 hour unpreserved urine specimen is sometimes helpful in the recovery of what
parasitic organism? - ANSWER 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? - ANSWER Taenia
solium and Trichinella spiralis.
What is the common name for Strongyloides stercoralis? - ANSWER Threadworm.
The examination of sputum man be necessary to diagnosis an infection with what parasitic organism? -
ANSWER Paragonimus westermani.
The adult worms are found in the Lung and and the eggs may be coughed up in sputum.
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