P2 - Blood Samples Flashcards
1
Q
Ethylene Diamine Tetra Acetate (EDTA) Tube
A
- purple top
- hematology
- preserves cell morphology
2
Q
number 1 reason for sample rejection
A
- hemolysis in vitro
3
Q
lithium heparin blood tube
A
- green top
- chemistry
- anticoagulant
- spin gives you plasma
- fish hematology
4
Q
plain blood tube
A
- red top
- serology
- spin gives you serum
- no additive or anticoagulant
5
Q
fluoride oxalate blood tube
A
- gray top
- measuring glucose
- RBC no longer metabolically active
6
Q
sodium citrate blood tube
A
- blue top
- coagulation
7
Q
hemolysis in vitro causes
A
- increased K
- increased phosphate
- increased AST (liver disease marker)
8
Q
samples that must be analyzed within 60min
A
- ammonia
- CSF
