Hematology Flashcards

1
Q

4 blood components

A

plasma
RBCs
WBCs
platelets

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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%

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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

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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

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5
Q

what to exam on blood smear at each objectiver

A

10x: monolayer
40x: leukocyte differential
100x: morphology, infectious organisms

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