Hema Basics
Anticoagulant in lavender tube
EDTA
neutrophils
1:9
how long can a sample in lav tube be stored at 4C
24 hours
active during viral infections
lymphocytes
what pathway does inr measure
intrinsic and common pathways
what does forward scatter measure in light scatter analysis
cell size
type of control is used in hematology
commercial controls with know values
reagent used to measure hemoglobin
drabkin's reagent
process of wbcs squeezing thru vessels to enter tissues
diapedesis
PT and PTT are kept at rm temp for how long
PT 24hrs
PTT 4hrs
define coincidence error
error caused by multiple cells passing through aperture simultaneously and counted as one
principle of coulter counter
electrical impedance
how is mchc calculated?
mchc= hgb/hct
basopils found in tissues
mast cells
unregulated coagulation leading to consumption of clotting factors
DIC
what does histogram demonstrated
components of cbc
rbc, wbc, plt & diff cts. hgb, hct, rbc indices, rdw
what is rdw and its medical term
measure of size variation (anisocytosis)
normal neutrophil absolute count
2.0–7.5 × 10⁹/L
three stages of hemostasis
platelet plug, coagulation cascade, fibrinolysis
how are ppp samples prepared
centrifuge sample 2x then freeze