Section 27 - Light Blue Top Tube Flashcards
1
Q
Light blue top tube
What is the additive in the light blue top tube?
A
Sodium Citrate (an anticoagulant)
2
Q
Light blue top tube
Why does the CLSI standard mandate the phlebotomist draws a red top tube before a light blue even though the requisition form does not call for it?
A
This prevents thromboplastin (released by the tissue cells during venipuncture) from entering the light-blue tube or to clear the line of air when using a winged infusion set
3
Q
How many times must the light blue top tube be inverted?
A
3-4 times out of
4
Q
What are two standard tests for the light blue tube?
A
-prothrombin time (PT)
-partial thromboplastin time (PTT)
-activated partial thromboplastin time (aPTT)
5
Q
TRUE OR FALSE: Light blue top tubes are used to test for diabetes.
A
FALSE: coag dept
