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blood collection
ch 43 blood specimen collection
Question | Answer |
---|---|
Skin/finger/heel puncture is called | Capillary puncture |
Capillary puncture is used for tests that require a small amount of | Blood |
Tests that can be done using capillary blood samples | Hct;Hgb;blood sugar;cholesterol;PT |
Sites for capillary puncture on children/adults | ring or great finger |
Sites for capillary puncture on infants | lateral sides of the heel |
Device used for capillary puncture | lancet |
Depth of lancet | 2mm |
Surgical puncture of a vein is called | phlebotomy or venipuncture |
Person trained to perform venipuncture | phlebotomist |
Most common sites for venipuncture | Basilic;cephalic;median cubital veins |
The basilic, cephalic and median cubital veins are found in the | inner arm at the bend of the elbow |
The inner arm at the bend of the elbow is also referred to as the | antecubital space |
Site you can use for difficult draws or children | Back of the hand |
Tourniquets are used to promote | palpation and visualization of veins |
Tourniquets are made of | latex or latex-free rubber |
Apply the tourniquet how many inches above the intended site | three inches |
NEVER leave the tourniquet on for longer than | one minute |
An alternative tourniquet if patient is a difficult draw | blood pressure cuff |
How should you prepare the patient prior to venipuncture | explain procedure and answer any questions |
When choosing a site use the fingertip of the idex finger to | palpate the vein |
Veins have some give when depressed which is called | elasticity |
Most popular method of venipuncture | Vacuum tube and sterile needle |
Gauage of the needle being used should be large enough for blood to flow through without causing | hemolysis |
Blood specimen enters directly into | blood tubes |
Blood that leaks from the vein collecting under the skin is called a | hematoma |
Venipunture method used for difficult draws,pediatric patients, top of hand | Butterfly needle |
Patients should be doing what prior to venipuncture to ensure safety | sitting or lying down |
If a patient faints, what should you do first | remove the tourniquet |