What can result if the patient fails to keep the arm straight while applying pressure after the venipuncture?
Hematoma
A medical assistant should use a winged infusion set to obtain a collection from which of the following areas?
A. Small veins
B. Deep veins
C. Occluded veins
D. Sclerosed veins
Small veins
What is the proper angle of needle insertion for performing a venipuncture using the evacuated tube method?
30°
What is the most common complication of venipuncture?
Hematoma
Who else would love a butterfly?
Patient with fragile veins
Which vein is preferred for venipuncture in the antecubital fossa?
Median cubital
When exposed to a needle stick, what should the CCMA do first?
Wash the exposed area.
How far above the site of draw is the tourniquet placed?
3-4 inches
Which gauge needle has the smallest lumen?
A. 21
B. 23
C. 18
D. 16
23
When performing a draw on a patient who has small, fragile veins, a CCMA misses the patient twice. The CCMA should do what next?
Ask another CCMA to obtain the specimen.
How long can a tourniquet remain in place during a venipuncture?
No longer than 1 minute
Make a fist, but do I pump???
NO
What can result if the tourniquet is left on too long?
Hemoconcentration
When the tourniquet is tied too tight, the capillaries in the area may rupture causing:
Petechiae
Where should the CCMA anchor the vein for a venipuncture in the antecubital fossa?
1-2 inches below the site