Parasitology- Exam review- Exam I Questions And Answers
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Course
Parasitology
Institution
Parasitology
Parasitology- Exam review- Exam I
Questions And Answers
In a hospital setting, a specimen of unformed feces is brought to the lab. immediately after
collection; you know that it cannot be examined immediately, so you would... Mix a
sample of it into 10% formalin and a sample into polyvinyl a...
Parasitology- Exam review- Exam I
Questions And Answers
In a hospital setting, a specimen of unformed feces is brought to the lab. immediately after
collection; you know that it cannot be examined immediately, so you would... Mix a
sample of it into 10% formalin and a sample into polyvinyl alcohol (PVA)
An outpatient comes to the laboratory with a physician's orders for "O & P x3" No instructions
have been given to the patient other than to get collection kits from the lab. You give the patient
collection kits and advise the patient to... Collect 3 specimens 2 days apart, say Monday,
Wednesday, and Friday
With the increasing use of immunoassays in parasitology, of concern is/are The
compatibility of the fixative(s) used to preserve the fecal specimen
The possibility of "missing" (not detecting) parasites other than those detected by the
immunoassay
"Non-traditional" parasitology stain(s) that now have an important role in parasitology
microscopy include Calcofluor white stain; Modified (reduced decolorization) acid-fast
stain; and Acridine orange stain
, Parasitology- Exam review- Exam I
Questions And Answers
What type of infections may be caused by all 3 of the genera of free-living amebae, Naegleria,
Acanthamoeba, and Balamuthia Central nervous system (CNS) infections
In which of the free-living ameba genera is there a flagellate stage Naegleria
Cysts of the free-living amebae typically have which of the following properties
Resistance to drying (dessication);
Resistance to low levels of disinfection, e.g. as in potable water supplies;
Cyst wall contains cellulose/chitin and stains well with calcofluor white
In which of the following, previously thought not to have a cyst stage, has a cyst stage recently
been described. Dientamoeba fragilis
Trophozoites of intestinal protozoa are more likely than the cyst stages to be present in a stool
specimen that was Bristol Stool Scale Type 1 False
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