Quiz 3: Venipuncture, Patient Injury, Procedure, Difficult Draws, Problems, Flashcards
What is the preferred site for venipuncture?
Ante cubical fossa of the upper extremities
What is vein selection based on?
Size and condition of vein
Which vein is most commonly used?
Median cubital
Which vein is easiest to palpate in obese patients?
Cephalic
Which vein is least firmly anchored?
Basilic
Why is tourniquet not left on patient for longer than one minute before draw?
Prevent hemoconcentration and blood infiltration into tissues
Why must tube additives be inverted?
To ensue proper mixing of blood and additive
Are vacationer tubes available in different sizes?
Yes
Why are needles smiler than 23 gauge not recommended for blood draws?
Cause hemolysis, destruction of red blood cells
What is angle of entry in hand vein with a butterfly needle?
5 degrees
What should you do if the patient states the draw huts, tingles, or is painful? What is mostly likely the cause?
Stop immediately. Aggravation of a nerve
T/F the single most common injury that leads to litigation is a blown vein?
False; nerve damage
What is a lancet?
Small pricking needle used to pierce the skin to obtain capillary samples
Glass slides are used for?
Microscopic examination
What is the most critical error a phlebotomist can make?
Failing to identify the patient