P2 - Blood Samples

Question 1

Ethylene Diamine Tetra Acetate (EDTA) Tube

Answer 1

• purple top
• hematology
• preserves cell morphology

Question 2

number 1 reason for sample rejection

Answer 2

• hemolysis in vitro

Question 3

lithium heparin blood tube

Answer 3

• green top
• chemistry
• anticoagulant
• spin gives you plasma
• fish hematology

Question 4

plain blood tube

Answer 4

• red top
• serology
• spin gives you serum
• no additive or anticoagulant

Question 5

fluoride oxalate blood tube

Answer 5

• gray top
• measuring glucose
• RBC no longer metabolically active

Question 6

sodium citrate blood tube

Answer 6

• blue top

- coagulation

Question 7

hemolysis in vitro causes

Answer 7

• increased K
• increased phosphate
• increased AST (liver disease marker)

Question 8

samples that must be analyzed within 60min

Answer 8

• ammonia

- CSF