- The use of a tourniquet during a venipuncture procedure makes the:
Your answer:
alcohol not dry in the required amount of time
veins less prominent and less filling
veins more prominent and easier to puncture due to venous filling.
the releasing of the adapter an appropriate action
- The most common site(s) for the venipuncture procedure is the following:
Your answer:
median cubital vein
cephalic vein
basilic vein
all of the above
- The tourniquet should not be left on a patient more than 2 minute when performing a venipuncture because it becomes uncomfortable and causes:
Your answer:
hemorrhage
clot activation
hemolysis
hemoconcentration
- The needle should always be inserted at the puncture site with the:
Your answer:
bevel side down
bevel positioned away from the insertion site
bevel side upward
none of the above
- The correct needle position for venipuncture is a _____ degree angle with the bevel _____ .
Your answer:
5 to 45, up
15 to 30, up
10 to 60, down
25 to 75, down
- Tourniquet applied to the arm during venipuncture should provide enough tension to compress the artery, but not the vein.
Your answer:
TrueFalse
- The last step to be performed in the phlebotomy procedure is to remove the tourniquet.
Your answer:
TrueFalse
- Part of identifying a patient in a hospital setting is to ask them to state their name.
Your answer:
TrueFalse
- For most clinical examinations the blood specimen is obtained
Your answer:
by venipuncture
by finger puncture
from an artery
from none of the above
- The vacuum (evacuated) tube system (VACUTAINER) requires the following components:
Your answer:
a special plastic adapter, a syringe, and an evacuated sample tube
a double-pointed needle, a plastic adpater and a winged infusion set
a special plastic adapter, an anticoagulant, and a double-pointed needle
the evacuated sample tube, a plastic holder adapter and a double-pointed needle
- The healthcare worker needs essential items for either venipuncture or microcollection. The items are the following:
Your answer:
70% isopropyl alcohol
iodine swabs or pads
sterile gauze pads
all of the above
- Common causes of hematomas that form during a venipuncture include
Your answer:
excessive probing with the needle
the needle is only partially in the vein
the needle has penetrated all the way through the vein
a and b
- A sharp's container is identified by its bright _____ color
Your answer:
green
yellow
red
blue
- The following conditions should prevent a site from being selected for venipuncture
Your answer:
edema
hematoma
scarring
all of the above
- Needles are sterile until
Your answer:
the plastic sleeve is removed
the needle is inserted into the patient's arm
the seal is broken
it is wiped with alcohol
- Venipuncture at sites with each of the following could affect test results EXCEPT:
Your answer:
in the region of a hematoma
above an IV line
at a mastectomy site
near a tattoo
- Needles are used once and _________________
Your answer:
given to the patient
discarded in a biohazard sharps container
returned to the manufacturer for sharpening and sterilization
discarded in the trash
- The maximum number of times an individual should attempt a venipuncture on a patient is two.
Your answer:
TrueFalse
- Because most lab specimens contain bacteria, it is not necessary to wash hands before collecting them.
Your answer:
TrueFalse
- The constricting band applied prior to venipuncture in removed
Your answer:
just prior to needle insertion
just after needle insertion, but prior to vacutainer activation
after all specimens have been collected
after needle removal
- When drawing blood you should always follow universal ___________
Your answer:
precautions
suggestions
laws
mandates
- The most common antiseptic used in venipuncture is
Your answer:
EMLA
Betadine
Iodine
70% isopropyanol
- Blood is most commonly obtained from the median cubital vein, on the anterior forearm (the side opposite the elbow). This vein lies close to the surface of the skin, and there is not a large nerve supply.
Your answer:
TrueFalse
- All of the following are common types of equipment used for venipuncture except:
Your answer:
syringe
evacuated tube
lancet
winged infusion set
- Before leaving the patient's bedside, you must make sure that:
Your answer:
the tubes are properly labeled
that the insertion site has stopped bleeding
that all diosposable equipment has been discarded appropriately
all of the above