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°
Where do you collect a dermal puncture from?
the capillaries, typically in the finger or heel
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
An example of a CLIA-waived test or lab
Stool: Colon cancer screen Blood: blood draw, finger stick Swab: nasal, throat
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
Which is thicker, a 21 gauge needle or a 23 gauge needle?
21 gauge
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 is typically used to test the patient's vision?
Snellen Chart
What can result if the tourniquet is left on too long?
Hemoconcentration -or- hematoma
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
What is the correct order for a blood draw (based on the color of the tube)?
Blood cultures, yellow , blue, red, gold/SST, green, lavender, grey