Types of Samples Flashcards
1
Q
Whole blood
A
- collected and mixed with anticoagulant
- used for most hematology tests
- determine certain hormone and metal levels
2
Q
Serum
A
- fluid portion that remains after clotting
- no anticoagulant used
- clotting takes 30-60 minutes
- for most chemistry/immunology tests
3
Q
Plasma
A
- fluid portion of blood
- includes clotting factors
- used coagulation studies,stat, and chem tests when there’s no time for clotting
4
Q
Higher in capillary blood
A
- glucose
- hemoglobin
- potassium (serum sample)
5
Q
Higher in venous blood
A
- calcium
- total protein
- potassium (plasma sample)
6
Q
Normal serum color?
A
clear, pale yellow
7
Q
Serum color with liver disease?
A
darker yellow (icteric)
8
Q
Serum color with fats/lipids?
A
cloudy (lipemic)
9
Q
Hemolyzed serum color?
A
pink