test: WIS and ETS Flashcards
According to OSHA, the needle and the tube holder must go into the sharps container as a unit because removing a needle from the holder exposes the user to sharps injury.
To avoid mislabeling errors, label tubes after leaving the bedside or dismissing the patient
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A tourniquet is necessary to increase venous fi ling and aid in vein selection.
True or False
True
A closed system in which the patient’s blood flows directly into a collection tube through a needle inserted into a vein.
Evacuated tube system
Extensions on the sides of an evacuated tube holder that aid in tube placement and removal.
Flanges
Type of tube used in blood collection that has a premeasured vacuum and is color-coded to denote the additive inside.
Evacuated tube
A butterfly needle can be used with an ETS tube holder or a syringe.
True or False
True
Insert the butterfly needle into the vein at a shallow angle between 20 and 25 degrees.
True or False
False
Premature loss of vacuum can occur from improper storage, opening the tube, dropping the tube, advancing the tube too far onto the needle before venipuncture, or if the needle bevel becomes partially out of the skin during venipuncture.
Premature loss of vacuum, removing the tube before the vacuum is exhausted, or stoppage of blood flow during the blood draw can result in an underfilled tube called a partial draw or “short draw.”
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What is the common gauge for needles for butterfly technique?
23
Arrange the following according to the correct order of draw following the closed tube system. \_\_\_\_ Ammonia determination \_\_\_\_ Hemoglobin determination \_\_\_\_ Prothrombin Time \_\_\_\_ Sodium determination
3,4,1,2
Butterfly venipuncture technique is for infants and small children only.
True or False
False
An additive is any substance placed within a tube other than the tube stopper.
Additives have one or more specific functions, such as preventing clotting or preserving certain blood components.
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