Week 5 Quiz QA Flashcards
What system are we using to draw blood
vacutainer
what is the benefit of the vacutainer
applies constant pressure to vein, drawing blood at steady rate to prevent hemolysis
Aside from preventing hemolysis, what else is vacutainer good for?
filling multiple tubes of blood.
who is a vacutainer not appropriate for
someone without good veins, ones that collapse.
what should be remembered when incerting and removing tubes
To put counter pressure on the flared ends of the holder
What is the range of needle size for vacutainer
18-25, ususally 21-23 are used
what does gauge mean
smaller number is larger needle width.
how long are the needles?
1-1.5 inches long
What length of needles are ususally used?
One inch, they are easier to control and less intimidating
What is the first step to venipuncture
assemble equipment: towel, gloves, alcohol, cotton balls, tape, turniquet, vacutainer needle and holder, test tube rack and tubes and sharps container
How many tubes should you have
always have two of each kind that you will use.
what side is the sharpes container on?
The dominant side
what side does the tube rack and supplies go on
the non dominant side.
What should you do when you meet the patient
greet them, evaluate their emotional status, if they are prone to faining, have them lye down.
what should you ask patient
full name, date of birth, write on towel or paper
What should you do after you pick your vein?
clean site with alcohol,
Are you wearing gloves when you pick your vein?
No, pick it with out gloves, remove tourniquet, clean site then wash hands and apply gloves.
After you apply gloves, what do you do?
Apply the turniquet again, then assemble the needle, remove cap and place container in holder.
When can you set the needle down?
only if you have not removed the lid
which hand should you pick up the needle with?
Your dominant hand, the dominant hands only job is to hold needle.
What should you do before palpating vein with glove on?
put some alcohol on fingers, dab off excess, then palpate.
what direction should bevel be pointing?
up
how do you anchor skin
pull up above site and lateral to site
what angle are you entering skin at?
20-30 degrees, then decrease angle to 15-20
How should you hold vacutainer?
Hold between thumb and forefinger tightly, two fingers between patient arm and container,
How can we decrease movement of needle in patients arm?
steady downward pressure between two lower fingers and patient arm
what hand do you use to push tube into holder
the non dominant hand, the one anchoring the vein
what is very importain when pushing the tube in?
to use the flared end of container to apply counter pressure
what if I don’t get blood?
gently palpate for vein above site, withdraw very slightly, if no blood, aim needle toward vein, incert slightly.
what should you do if you remove needle to much and can see bevel
remove needle completely, and start over on other arm with new equipment
what if you don’t get blood after re-aim?
remove tourniquet, disengage tube then withdraw needle
when do you remove touriniquet?
when the last tube is filling, or the first if there is only one.
what do you do with filled tube
invert it 8 times
how should you apply cotton ball?
hold above site without pressure, remove needle, close on table, put in container, and apply pressure to site. Smooth motion.
what do you do now?
have patient hold site, you label tubes,
what should you do before taping cotton ball down?
make sure bleeding has stopped.
