Specimen Collection Flashcards
0
Q
Anticoagulant that binds calcium to form insoluble calcium oxalate.
A
Oxalate
- K oxalate-> paul-heller’s SHRINKS RBC
- ammo oxalate -> wintrobe’s SWELLS RBC
1
Q
EDTA tripotassium salt.
A
Sequestrene
*disodium salt - versene
2
Q
Acid mucopolysaccharide that inhibits coagulation by inactivation of thrombin.
A
Heparin
*for osmotic fragility test
3
Q
Ideal concentration of EDTA.
A
1.5 mg/ml
4
Q
Normally seen in buffy coat.
A
WBCs Platelets
Rare young neutrophilic cells (metamyelocytes, myelocytes)
Megakaryocyte
BUT NOT NRBC!!
5
Q
Smudge cell formation can be prevented by adding.
A
1 drop of 22% bovine albumin to 5 drops of blood.
- if seen ocacasionally, normal
- if >25 per 100 WBC, should be reported
