3 specimens within 10 day span
It is recommended to examine how many specimens in how many days during parasitology?
30 minutes of passage or place in preservative
You should examine liquids specimens within how long?
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Parasitology - BOC with 100%
correct answers 2024
3 specimens within 10 day span - answer It is recommended to
examine how many specimens in how many days during
parasitology?
30 minutes of passage or place in preservative - answer You should
examine liquids specimens within how long?
1 hour of passage or place in preservative - answer You should
examine soft specimens within how long?
24 hours - answer You should examine formed stools within how
long?
Feces - answer This is used in 95% of parasite specimens?
Urine, water, oil, or barium enemas - answer You should not accept
fecal specimens contaminated with what things?
5-10 days - answer Intestinal protozoa may be undetectable how
many days after barium enema is given?
Sputum - answer This early-morning specimen is best?
Refrigeration - answer This type of preservative is good for eggs,
larvae and amoebic cysts; you should not use this if you suspect
amoebic trophozoites.
, 10% formalin - answer This preservative is good for eggs, larvae and
amoebic cysts.
MIF (Merthiolate iodine formalin) - answer This type of preservative
is a concentration procedure as well as a preservative; good for
eggs and larvae and amoebic cysts.
PVA (polyvinyl alcohol) - answer This preservative is best for
amoebic trophozoites; can prepare a permanent stain slides from
specimens preserved this way.
SAF (sodium acetate acetic acid formalin) - answer This type
preservative is good for amoebic trophozoites; environmentally
safer than PVA.
Schaudinn's fluid - answer This type of preservative is used for fresh
stool samples; good for trophs and cysts.
1. Ethyl acetate, 2. Debris/fat, 3. Formalin, 4. Sediment - answer
What are the four layers of the formalin ethyl acetate sedimentation
concentration technique?
Ethel acetate - answer This concentration technique removes fats
and oils and formalin preserves organisms. The advantages are it
can stay informed in formalin stage indefinitely; easy to perform;
detects parasites. Disadvantages are preparation contains more
debris.
1.18 - answer What should the specific gravity of zinc sulfate
solution be?
Ingestion, penetration, vector - answer What are the three modes of
transmission?
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