Veins
Where are the 3 main veins located which are best for venipuncture?
Antecubital Fossa
True or False. A 25 gauge needle has a smaller diameter than a 17 gauge needle.
True. The higher the number gauge, the smaller the diameter of the needle.
What color tubes are the SST tubes?
Gold, red, red tiger top
What is the #1 most ordered blood test?
CBC (drawn in a lavender tube)
The marrow of long bones, produce which type of blood cell?
Red blood cells (RBCs, erythrocytes)
Remember that this is called Hematopoiesis
What is the word that describes the "bounce of the vein"?
Turgor
Max amount of time the tourniquet may be on a patient's arm?
2 minutes
Which tube has the reversible anticoagulant?
Sodium Citrate (light blue tube)
A chem 7 (BMP) would be drawn in what color tube?
Red/Red tiger top/Gold/SST tube
Condition of having too few red blood cells?
Anemia
Phlebotomist's 1st choice for vein?
Median Cubital
Most commonly used needle gauges for phlebotomy?
21-22 gauge
Place the following tubes in the correct order of draw.
Red, Lavender, Green, Light blue
Light blue, red, green, lavender.
Which hormone is being tested for in a serum pregnancy test?
hCG
What determines blood type?
Antigens
*blood typing is drawn in pink tubes*
*O- blood type is the universal donor so can DONATE to ALL blood types but can only receive blood from other O- types.*
*AB+ blood type can RECEIVE blood from ALL blood types, but can only donate to other AB+ types*
Define Confluence.
Where veins join together.
Correct sequence of steps for end of draw procedure?
Remove tourniquet, remove tube, remove needle.
Serum is ________ with the fibrin removed.
Plasma
Blood typing will require what color tube?
pink tube
T-cells and B-cells are...?
Lymphocytes
Phlebotomist's 2nd and 3rd choice for veins in the AC.
2nd choice: Cephalic
3rd choice: Basilic (basilic vein is close to the Median Cutaneous nerve!)
How should a phlebotomist clean a site for venipuncture?
Start at the site and spiral outward with the antiseptic
Which color tube will not yield serum after centrifugation?
Gold, red or green?
Green.
BUN and Creatinine testing will tell us about the function of what organ?
Kidney function
Define Reticulocyte
An immature red blood cell