That Doesnt Go There Flashcards
The most common site for venipuncture is __
Anticubital (AC) Space
If a patient is nervous or has fainted from venipuncture in the past, they should be placed in a __ position.
Semi-Fowler
How should a patient’s arm be positioned to prevent venous reflux?
Downward position so the tube remains below the venipuncture site and fills from the bottom up
What is the correct tourniquet tension?
Tension should slow venous flow without affecting arterial flow. It should fit snugly and not pinch the patient’s skin
Where should a tourniquet (for venipuncture) be placed?
3-4 inches above the bend in the elbow
How long should a tourniquet be left in place? Why?
Not longer than 1 minute.
For patient comfort.
To avoid venous stasis - plasma filters into the tissues causing hemoconcentration
The best vein to use in the AC space is the __
Median cubital
The cephalic vein is located __
on the thumb side (lateral) of the AC space
What color Vacutainer is used for a CBC sample?
Lavender
What color Vacutainer is used for blood alcohol, drug tests or oral glucose tolerance tests?
Grey top
What order are tubes drawn for multiple specimen orders?
Blood culture, coagulation tube, serum, anticoagulant
What order do you draw anticoagulant tubes?
Green, lavender, royal blue, grey
Why do you draw anticoagulant tubes in a specific order?
To prevent cross-contamination among different anticoagulants, which may lead to inaccurate test results
What is the angle of insertion for IM, SQ, and ID injections?
IM - 90 degrees
SQ - 45 degrees
ID - 10-15 degrees
What is the needle gauge ranges for SQ, IM and ID injections?
SQ - 23G-25G
IM - 18G-23G
ID 25G-27G
