Basic Phlebotomy
To avoid contamination when should the needle cap be removed?
Right before the puncture.
Blood cultures are preformed to check for..
What is the preferred method for infant blood collection?
Capillary
What is the correct order of draw?
1. Blood Cultures (Sterile tube)
2. blue top coagulation tube
3. serum tube (gold/red)
4. heparin tube (green)
5. EDTA (lav/pink)
6. Glycolytic tube (grey)
During a typical venipuncture, the needle should be inserted at what angle to the skin?
30 degrees or less
When a patient states that they have a needle phobia, the phlebotomist should?
Have the petient lie down during the procedure
True or False? The tops of blood culture bottles are sterile and do not need to be cleaned
Why is it necessary to wipe the first drop of blood alcohol away when preforming a capillary procedure?
To reduce interstitial fluid contamination. (Eliminate excess tissue fluid)
The color-coded tube that is most frequently associated with hematological test is:
Lavendar
During the venipuncture procedure, what should the phlebotomist do after the needle is inserted and blood begins to flow?
Release the tourniquet
A postprandial speciment is collected?
Directly after a meal is consumed.
What is best way to prevent a blood culture from becoming contaminated?
Properly cleansing and keep supplies sterile
Which substance has a higher concentration in capillary blood than in venous blood?
Glucose
The anticoagulant heparin is used in tubes with tops of what color?
Green
One reason for hematoma formation during venipuncture is that the:
needle is partially inserted in the vein
During venipuncture, what can cause a hematoma?
Needle bevel partially inserted into a vein
What antiseptic should the phlebotomy technician use to collect a blood culture?
Chlorhexidine gluconate (chlora-prep)
When preforming a heel puncture on an infant, proper technique includes...
Placing the lancet flat against the skin on the medial or lateral surface of the heel
Light blue
How many more times should a phlebotomist try to perform a venipuncture on a patient if he has failed once already?
once
The primary reason for using a syringe transfer device is to?
Safely transfer blood from a syringe into ETS tubes
The most critical part of blood culture collect is...
filling the two media vials adequately
A skin puncture is preferred over a venipuncture when the patient:
Which of the following tubes is normally used to collect a serum sample?
Red top
If a venipuncture procedure is almost completed and suddenly you see hints of a hematoma beginning to form, what should you do?
Discontinue the procedure and apply pressure with gauze.