Blood Tubes Flashcards
Hat is found in whole blood?
Rbcs, wbcs, platelets, clotting factors
Liquid portion of blood?
Plasma
Liquid portion of whole blood after clotting and being spun down?
Serum
What is the average blood to serum ratio?
3ml blood to 1ml serum
Purple top anticoagulant?
EDTA
What are EDTA tubes commonly used for?
CBCs, platelets counts, blood smears
What is the anticoagulant found in green top tubes?
Lithium heparin
What are green top tubes often used for?
Chemistries, electrolytes, stats, emergency situation
How long does blood take to clot before centrifuging in a red top tube?
15-30 min
What do red top tubes yield?
Serum
What color is a serum separating tube?
Commonly yellow top
What is the anticoagulant found in blue top tubes?
Sodium citrate (calcium in activator)
What are blue top tubes commonly used for?
Clotting factors- Von Willebrands disease
What are the two types of gray top tubes?
Serum sample and plasma sample
What is diatomaceous earth gray top tube used for?
Clotting ability
What are sodium fluoride plasma sample gray top tubes used for?
Glucose assays tests
Rare tube used for blood cultures containing ACD.
Yellow top tube (rare yellow)
Correct order for collecting blood samples?
Blue, red, orange, green, purple, gray, yellow
Sample that has one hour to be separated from red blood cells.
Serum
Sample that must be removed from red blood cells immediately.
Plasma
Serum or plasma can be preserved how?
Refrigerate 4-7 days, freeze up to six months
What is an anticoagulant?
An additive that prevents clotting
Where can we obtain a draw on small animals?
Tail vein, toenail clip, ear vein
Needles should not be smaller than what size?
22 g
