Order Of Draw Flashcards
(4 cards)
1
Q
Why is the Light Blue Tube drawn before other tubes?
A
To prevent contamination by other anticoagulants that affect clotting tests.
2
Q
Where does the Royal Blue Top Tube go in the order of draw?
A
It depends on the stripe: Red stripe = after Light Blue, Blue/Lavender stripe = after Lavender.
3
Q
What tube is drawn first when using a butterfly needle?
A
A discard tube (often Red or Clear Top) to clear air from tubing.
4
Q
Why is the order of draw important?
A
To prevent cross-contamination of additives that can affect lab results.
