unit test 3 Flashcards
no more than 10% of blood volume should be removed an adult over a period of 1 month
true
a phlebotomist should anchor the vein by
using the thumb to anchor the vein 2 inches below the puncture site
performing a bilirubin blood collection on an 8-month-old infant, what should the phlebotomist gather?
alcohol pad and 2mm lancet
a blood donor (needle size)
18 gauge straight
average adult (needle size)
21 gauge straight
a hand of an elderly patient (needle size)
25 gauge bufferfly
small veins (needle size)
23 gauge butterfly
order of draw for capillary collection is different from venipuncture because there is an increase rate of coagulation
true
Capillary collection may be appropriate in geriatric patients because
their veins tend to be small and fragile
edema
swelling that is caused when interstitial fluid is restrained in the tissue
hematoma
reddened, swollen area where blood collects under the skin
antecubital fossa
most common site for routine venipuncture
occluded veins
feel hard or cordlike and lack resiliency
typical needle gauge for ABG collection
22
A phlebotomist should use a capillary collection instead of venipuncture
a patients veins are inaccessible
which artery is most frequently used for ABGS
radial
depth of a heel puncture should not be more than
2mm
which vein should the phlebotomist attempt to draw first
median cubital
thrombosis
blood clot
hemoconcentration
an increase in the ratio of formed elements to plasma
hemolysis
destruction of red blood cells
iatrogenic anemia
caused by excessive blood draws
collecting blood for a newborn screening test
apply blood to each circle of the printed side of the filter paper and let dry on a flat surface
When warming an infant’s heel for a dermal puncture, the heel should be warmed for
3- 5 minutes
