Exam 3 Flashcards
Hematocrit measures?
PCV packed cell volume
Rule of 3 is used for?
To see if hematocrit and hemoglobin numbers agree
Cells/mm2 hemacytometer
#cell x dilution Area (squares counted)
Ref range for retic counts
0.5-1.5% male/female
Corrective action for too thick (newborns)
Change angle, decrease the angle
RBC indices
MCH. MCV. MCHC
Formula for MCV
80-00
MCT. hematocrit(%) x 10
/RBC fL
Formula for MCH
26-32
MCH. Hb x 10
RBC. Pg picograms
Formula for MCHC
32-36
MCHC. Hb x 100
/Hematocrit g/dL
v1 - v2
/Mean. Formula is used for
To determine whether two means are in agreement with one another. Ex 20% difference number
Formula for retic count
Number of retics
/1000 RBCs
Which cell counts can a hemacytometer test?
Rbc count, WBC count, and platelet count