3 methods of venipuncture - Correct Answer Syringe, Vacutainer, Butterfly
What is important to know about tourniquets - Correct Answer Don't leave in longer than 1 minute, 3-4 inches above site. Flat on skin.
Tourniquet on too long leads to - Correct Answer Hemoconcentration
Most com...
Prevent blood from clotting - Correct Answer anticoagulants
When blood is collected with no additives in the tube, the cells automatically clot together yielding
what? - Correct Answer Clotted blood yielding serum
When you stretch the skin downward below the collection site with the thumb of your nondominant
hand what is this referred to as? - Correct Answer Anchoring vein
Reasons you may fail to obtain blood - Correct Answer Bevel being against the wall of the vein, needle
piercing all the way through the needle is inserted, only partially into the vein, and if the needle misses
the vein .
Areas to avoid when choosing a phlebotomy site - Correct Answer Scarred, bruised, burned, or has
edema
What is the most important aspect of veinipuncture - Correct Answer Locating the right vein
How to palpate the vein - Correct Answer Should feel spongy and bouncy feels fall is not hard or stiff.
Palpate for a vein using index finger and possibly middle finger to determine the size depth and
direction..
What is the name of the hollow space inside the needle or the opening of the needle? - Correct Answer
Bore, or lumen. Lumen size is important and is referred to as gauge of the needle, the higher, the gauge
number, the smaller of the lumen.
What is the name for the part of the needle that enters the vein? - Correct Answer Bevel. Always up
What can happen if too much blood is obtained from a pediatric patient - Correct Answer Anemia
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