auxiliary Flashcards
(40 cards)
color variations of RBCs
polychromatophilia
RBC count is reported as
liters (cubic millimeter or mm3)
not an RBC parameter
WBC count
lifespan of a normal RBC
120 days
reference range for ESR in males younger than 50 years old
0-15 mm/hr
test for pernicious anemia
Schilling test
poikilocyte is seen in renal insufficiency
echinocytes (burr cells)
Incomplete centrifugation of the microhematocrit tube will cause a/an ___ in hematocrit level
(false) increase
formula is used by automated hematology analyzers to compute for hematocrit
Hct = RBC count × MCV
immediate precursor of metamyelocyte
myelocyte
Round cells with pince-nez-shaped nuclei
Pelger-Huet
Reticulated platelets are also known as
stressed platelets
Pyruvate kinase deficiency is a/an
autosomal recessive
not inherited
DIC
other name HMWK
Fitzgerald
Normal PT
Normal aPTT
Abnormal 5M urea test
Factor XIII deficiency
typical range of platelets shed from a single megakaryocyte
2,000-4,000
principle of the fibrometer used in coagulation testing
Conduction or impedance of an electrical current by fibrin
used to reduce cell coincidence in an analyzer
Hydrodynamic focusing
In doing a blood smear, the spreader slide should be held at ___
30-45 degrees
not a platelet parameter
MCV
Differentiation among RBCs, yeast, and oil
droplets may be accomplished by: (3)
- Observation of budding in yeast cells
- Increased refractility of oil droplets
- Lysis of RBCs by acetic acid
Most common acquired platelet dysfunction:
Drug-induced
characteristic of anemia of renal
disease (2)
- Presence of burr cells in the peripheral blood smear
- Normocytic, normochromic