specimen taken
sample
part of the specimen
aliquot
studies hormones, endocrine system
Endocrinology
the use of machines and tools in laboratory
instrumentation
studies harmful effects of chemicals in humans. "treatment and doses"
toxicology
the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms
biochemistry
3 types of quality assurance
pre analytical, analytical and post analytical
testing procedure, testing review, lab interpretation, preventive maintenance of equipment
analytical
releasing, reporting, record management
post analytical
prior to test, test request, patient preparation, sample collection , sample transport, sample receipt
pre analytical
4 kinds of instrumentation
Direct, Indirect, Redox and Colorometric
directly measure the substance of concern
Direct
other substance (conjugant) — directly proportional to substance of concern
Indirect
colored compounds — check presence/absence/concentration of substance
Colorometric
reduction & oxidation
Redox
2 types of colorometric
Qualitative: color
Quantitative: Concentration
types of priority lab testing
POCT, STAT, Routine, and Special test
Units of measure
Conventional
identify possible sources of error. equipment, reagents, procedures
Quality control
“statim” — immediate. includes troponin I and cardiac
STAT