lesson 7-8 Flashcards
T/F:
phlebotomist must establish rapport with both the child and parent
T
T/F:
the phlebotomist must greet the parent and the child calmly, and professionally with a soft, understanding voice
T
one of the most critical factors in obtaining an accurate blood sample from childre
holding still
this will change the blood values
fighting and crying
Limit venipuncture in children __________ to _______?
younger than 2 years old,
superficial veins
successful collection of blood from superficial veins may be done with a?
butterfly collection set and a 23-gauge needle
This can be accomplished on children over 2 years old
venous collection
method of choice in children under 1 year of age and adults with inaccessible veins
capillary puncture
as the child gets older, the __________ is more feasible
evacuated system
Adult capillary punctures are done in __________ with children under 1 year of age it is done in __________
finger,
foot
blood in the capillary bed is _____?
predominantly arterial
what is POCT
point of care testing
these type of patients cannot produce adequate capillary puncture blood sample
patients who are severely dehydrated or have poor circulation, and patient who is extremely cold
what is the ideal temperature for the wet washcloth for the patient
42 celsius
put the warm wet washcloth around the patient’s hand for??
3-5 minutes
this is an alternative to warming when warming is not convenient
massaging
site for collection of a capillary puncture can be the?
infant heel, earlobe, ring finger, and great (middle) finger.
this is not recommended except in extreme cases (severely burned patients)
earlobe
capillary puncture in an adult is on the?
palmar surface of the distal phalanx of either the ring or great (middle) finger
when you puncture the finger always _______?
cut across the fingerprint line
this should not be used in cleaning and disinfecting the puncture site
povidone-iodine (betadine)
what can povidone-iodine elevate?
potassium, phosphorus, or uric acid
home glucose monitoring device should be avoided because?
it creates a small round puncture and produce only two to three drops of blood
some devices uses a slicing motion that produces a?
half-moon type cut
some devices use a blade that punctures straight down with a?
guillotine-type action
first drop of blood contains?
interstitial fluid
______ mL of blood can be collected from a single puncture
0.5 mL
scraping of the blood off the skin surface ________ the cells
hemolyzes
anticoagulant samples should be mixed by?
inverting 8 to 10 times
