chapter 7
form used to document what the physician ordered
requisition
rapid increase in the ratio of blood components to liquid components
hemoconcentration
inhibits the growth of bacteria
bacteriostatic
2 other names for the gauge of the needle
bore or lumen
name 3 causes for hemoconcentration
pump fist
milk the finger
tourniquet on too long
number assigned to order once received in lab
accession number
opposite imbalance in hydration from hemoconcentration
hemodilution
how high should the tourniquet be placed on arm and for how long
3-4 inches
1 minute
double ended needle has a bevel on one side what 2 parts are on the other end
threaded hub
rubber sleeve
backflow of blood during venipuncture
venus reflux
"let the master speak"
respondeat superior
the term for sitting for long periods of time
sedentary
name 2 size butterfly needles typically used
23, 25, 27
safety device that reduces aerosol mist once tube is opened
splashguard
discoloration or large bruise
ecchymosis
what are the 4 D's
duty
derilict
direct cause
damages
normal changes in lab values thought the day and the name of when they are at the highest and lowest
diurnal variation
peak & trough
liquid in the tube produce when you have an anticoagulant in the tube
plasma
process were blood automatically flows (gravity) in the microhematocrit tube
capillary action
blood removed over a period of time that exceeds 10% and is life threatening
exsanguination
TJC recommends these 3 inpatient identifiers
ask
compare
validate
name 3 variable that would affect tests
nonfasting hydration
stress temp
exercise
diurnal variation
name the 1st, 3rd, 5th, and 7th tubes in the order of draw along with additive in tube
yellow-sodium polyanethol sulfonate
red-nothing
light green-sodium lithium or ammonia heparin thixotropic gel
lavender- EDTA
name 5 specialty tubes and test associated
orange-stat thrombin
white-dna molecular
black-esr
tan-lead
royal blue-trace elements, heavy metals
name the inner, middle and outer layer of the vessels along with the name of the space were the blood flows
tunica intima
tunica media
tunica adventitia
vessel lumen