✅✅
Nephelometry is based on the
principle of: - -Turbidity
resulting from specific
antigen-coated latex particles
agglutinated by corresponding
antibody
Which of the following can cause
hemolysis and perhaps result in
✅✅
recollection of the specimen? -
-Pushing the plunger of a
syringe when transferring blood into
vacuum tubes.
,A manual white blood cell count was
performed by the hematology
technologist. The cell counts for
both sides were 99 and 164,
respectively. All nine large squares
were counted on each side. The
dilution for this kit was
pre-measured at 1:100. What
✅✅
should the technologist report as the
white cell count? - -Cannot
report
When comparing the white cell
counts from one side of the
hemacytometer to the other, there is
not good duplication. Cell counts
from opposite sides of the
,hemacytometer (within the same
patient sample) that are greater
than 10% of one another are
considered discrepant and should
not be used to calculate reportable
results. This particular count should
not be used to report patient results.
The RBC inclusions shown in the
✅✅
photograph represent which of the
following? - -Howell-Jolly
bodies
Howell-Jolly bodies are usually
single, round, and tend to be
positioned at the periphery of the
red blood cell. These inclusions are
, rarely found on a routine peripheral
blood smear, as they are usually
removed by a functioning spleen.
Howell-Jolly bodies appear in
megaloblastic anemias and after
splenectomy.
Which of the following tests would
✅✅
be employed in order to detect
neural tube defects? - -Alpha
fetoprotein
Alpha-fetoprotein is a protein
measured in pregnant women,
using maternal blood or amniotic
fluid, as a screening test for a
subset developmental
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