Phlebotomy review Flashcards
What percent iodine is the second swab prep?
1.0%
What percent iodine is the first scrub?
0.75%
What are the two types of contamination?
Bacterial and air
Define hematoma
Blood underneath the skin
What is an incomplete unit?
A unit weighing less than 585g
What is an overdraw?
A unit weighing greater than 670g
What is a slow draw?
A full unit of blood that took 13-15 minutes to draw
What is the function of the anticoagulant in the collection bag?
Solution added to blood outside of the body to prevent clotting
What is the purpose of the blood bag additive?
Solution in the blood bag containing nutrients and preservatives providing a 42 day shelf life
What is the purpose of performing the chlorhexidine prep appropriately?
To apply the solution gently using no friction, to ensure the arm is surgically clean. Clean 2.5 x 2.5” due to the amount of solution on the swab
What is the purpose of each iodine swab?
The first scrub is done vigorously in random directions to create friction to loosen dirt and surface oils and germs.
The second prep is done in an outward spiral to push the loosened material to the outer area to ensure the site is surgically clean.
Why do we let the prep dry before performing venipuncture
To ensure maximum bacterial kill
What occurs with slow draws
Micro clots are easily formed
What are the signs of an arterial stick
Swelling and pain
Fast flow
Fill bag in 2 minutes
Bright red blood
Who should be notified in the event of an arterial stick
Supervisor, who will contact physician on call
When is an arm wrap required
First time donor Donor request Pain Bruising or swelling Automated procedure Arterial puncture Resticks, on first arm Slow draws Adjustments
Why can’t tubes be filled from the unit drawn?
The sample will be diluted with anticoagulant
How many times should a unit be mixed during phlebotomy
3 minimum
How big of an area should be scrubbed for a povidone iodine prep
4” x 4”
How do you label a unit that is ac and inc?
Ac only
Which direction should the needle be pulled when removing a needle from a donors arm?
The same direction that the needle was inserted
How many tubes can be filled for each samplink and how many times can the device be changed?
6 tubes per device, the device can only be changed once
When can you use a digital scale?
Difficult phlebotomy, or to replace a bed scale if the bed scale doesn’t pass qc
When should gloves be changed
When they are soiled or sticky and between each donor
