chapter 10
name the 3 size lancets used for dermal puncture
1.5
1.8
2.0
court cases require this
chain of custody
this system is used in the lab to send samples from one place to another
pneumatic tubes system
making sure equipment is up and running properly to give accurate results
calibration
results showing upwards or downward progression
trend
filling by gravity is called
capillary action
checking patients previous results is called this
delta check
the sample may be returned for QNS because if used you will get a false positive result
additive to blood ratio
manual containing each test performed in the lab along with step by step instructions
SOP
a sudden jump in results that continue at a higher or lower level
shift
this can cause hemoconcentration when performing a dermal puncture and is not recommended
milking the finger
some tubes have this to prevent aerosols upon opening the tube
splashguards
during exam phase once sample is opened this technique is used for getting samples to other containers for testing
aliquoting
activities that ensure specific steps in a process meet acceptable standards
quality control
error that may be due to using an outdated reagent or change in temperature
systemic error
what is the dermal order of draw
EDTA
heparin
sodium fluoride
non additive or serum separator
after sample is centrifuged you notice the liquid portion has a dark yellow-green color what is this called
Icteric
this substance is formed by a persons own body and this same persons body tries to destroy it
autoantibodies
liquid or serum or freeze dried material used to test equipment is called
control material
errors that happen once
random error
what 2 tests can not be drawn using a dermal puncture
cultures in bottles
ESR
this test is done for people with this disease that activate your immune system to make an autoantibody that flags your red blood cells for destruction. Your red blood cells clump together in response
cold agglutinins
lipemic
chart showing acceptable limits, trends, or shifts
Levy Jennings chart
review of records to make sure staff is following guidelines set in place
audit