Ch43 Blood Specimen Collection Flashcards
What’s the most common site used to collect a capillary blood specimen? For adult. Baby?
Adults– lateral side of great finger or ring finger.
Baby— lateral side of the heal of foot.
Why do blue stopped tubes have to be completely full?
Must be full because of citrate.
What color top tube contains EDTA and is used to collect CBC?
Lavender
Before capillary stick puncture you clean the site with?
Alcohol
If blood leaks out of a vein into body during venipuncture it may cause?
Hematoma ( a bruise black n blue that swells)
Most popular and economical tourniquet?
Latex
If your drawing blood from PT and they faint, what’s the first thing you do?
Remove tourniquet
During capillary puncture the lancet should penetrate about how many mm into site?
2 mm
Another name for venipuncture?
Phlebotomy
If a PT has difficult veins and you can’t locate them with tourniquet what other method can be used?
Blood pressure cuff
What test can be preformed in a blue top tube?
Pt and Ptt coagulation study. Has to be fully filled.
Test drawn in blue top tube should be preformed within?
2 hours
When several specimens are ordered they should be drawn in what order?
Yellow Blue Red Green Lavender Gray
When drawing blood with a syringe and needle forcing blood into a tube will cause?
Hemolysis Of RBC, breaking down blood cells. Will give inaccurate test results.
When obtaining venous blood sample with a vacuum tube the tip of the needle should be inserted into vein at what angle?
15•