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NURS 3715- Clinical Integration III- Week 4 Exam Questions And Accurate Answers
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NURS 3715- Clinical Integration III- Week 4 Exam QuestionsAnd Accurate Answers
Who typically does a venipuncture?
Phlebotomist
Is doing Venipunctures within the scope of practice for the RN?
Yes
What is a venipuncture?
Puncture of the lumen of a large vein with a hollow-bore needle to obtain a specimen.
What are different types of equipment used to perform a venipuncture?
needle and syringe
SC butterfly
vacutainer and test tubes
or draw from existing IV of central venous catheter (more commonly in ICU
What is the most common tool for venipuncture?
Vacutainer and test tube
What is the assessment component of preparing to collect a venipuncture?
- check the order
- evaluate the client's knowledge of the procedure and address concerns
- assess for potential complications/risks (anticoagulant therapy, low platelets, bleeding
disorders)
- assess the client's ability to cooperate with the procedure
, - assess client for possible contraindicated sites foe venipuncture
What are contraindicated sites for venipuncture?
IV fluids, CVAD, hematoma at potential site, arm on side of mastectomy, or hemodialysis
graft/ fistula
When choosing a venipuncture site, why are the lower extremities avoided?
Because of the greater risk for infection and thrombosis.
Can a venipuncture be performed below an active infusion site?
Yes ONLY if other acceptable sites are not available and only when ABSOLUTELY
NECESSARY use a venipuncture below an active infusing intravenous site if the
following precautions are taken.
Another is to ensure that the IV infusion is turned off for at least two minutes before the
venipuncture. Apply the tourniquet below the IV site and above the intended puncture
site.
What is preparation to a venipuncture?
- identify client
- hand hygiene
- position client in supine or semi-fowler's with arms extended so that the shoulder,
elbow, and wrist align in a straight line
- apply tourniquet 5-10 cm above the venipuncture site (antecubital fossa is the site
most often used)
- ask client to move hand and hold a fist
- look for best venipuncture site, searching out straight, prominent veins that are free of
swelling and hematoma
- palpate the selected vein with your fingers
Where would you apply the tourniquet?
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