Hematology Flashcards
1
Q
4 blood components
A
plasma
RBCs
WBCs
platelets
2
Q
PCV: what measured, sample source, normal values
A
directly measures RBC mass
anticoagulated whole blood centrifuged in hemaotocrit tube to separate blood
30-50%
3
Q
plasma protein: what and how measured, sample source, units and normal values
A
estimate of total protein
use plasma from centrifuged hematocrit tube
g/dL
6-8 g/dL
refractometer
4
Q
how to prepare blood smear
A
drop of whole blood on clean slide –> smear drop to create monolayer of cells –> air dry and stain 7-7-12
5
Q
what to exam on blood smear at each objectiver
A
10x: monolayer
40x: leukocyte differential
100x: morphology, infectious organisms
