PN 303 PHLEBOTOMY EXAM REVIEW QUESTIONS AND ANSWERS

What are the Different Layers of the Vein?
-Tunica Interna
-Tunica Media
-Tunica Externa
Centre of the Vein is called the Lumen
What are the two Vein Patterns?
-M Pattern
a. Median- center antecubital area
b. Median Cephalic- middle vein
c. Median basilic- medial
d. Basilic- inner arm
-H Pattern
a. Median Cubital- middle vein
b. Basilic- inner arm
c. Cephalic- outer arm
Study the Vein Patterns
Which vein is most common for obese patients?
Median Cephalic
What is the first choice Vein?
Median or Median Cubital
What vein should be the last choice?

, Basilic Vein as it is over an artery.
What Puncture sites need a doctors order?
Hand, Foot, Leg
What is Blood made up of?
Blood is made up of Plasma 55% and formed elements 45%
What is Serum?
Serum is from a tube that's been clotted and is essentially water
What is Plasma?
Plasma has nutrients and wastes
How does the circulatory system help regulate body temperature?
Constrict when your cold, dilate when you're warm
What is an EDTA tube?
Lavender/White/Pink/Tan/Grey
-Binds Calcium
-Lavender used for CBC
What is a Heparin Tube?
Green
-Conversion of prothrombin to thrombin
-Used for electrolyte panels
What is a Sodium Citrate Tube?
Light blue
-Binds Calcium
-Used for PT & aPPT tests
-9:1 Ratio
What is a Non-additive tube?
Red
-Discard tube
-Serum samples.