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31 Cards in this Set

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accession number
a unique nubmer generated when the test request is entered into the computer
aerosol
a susbstance released in the form of a fine mist
aliquot
a portion of a sample used for testing
analyte
a general term for a substance undergoing analysis
barcode
a series of black and white stripes of varying widths corresponding to letters and numbers, the stripes can be grouped together to represent patient names, identification numbers or lab tests
CPU-
central processing unit
handles input/output ie.. manipulation and calcuation of data
central processing
also called specimen processing, where all specimens are received and prepared for testing
centrifugation
a process of separating substances of different densities, such as blood and urine, by using a centrifuge a machine that spins substances at high speeds
cursor
a flashing marker on the CRT that indicates where the next key stroke will appear
data
information collected for analysis or computation
hardware
cpu, monitor, and all peripherals, such as barcode readers, modems, and joysticks
icon
a small representative image used to access documents and software programs
id code
a code given to a user along with a password. the ID code identifies each person entering data into the system, may not remain confidential because others may need to use the code to verify their collections
impermeable
impenetrable, not allowing passage of fluids, as required in some lab coats
input
data that are entered into a CPU
interface
a device that enables two normally noncompatible circuits or parts to function together as in computers or computerized instrumentation
LIS-
laboratory information system
a complete software program for clinical laboratory speciment collection, reporting and quality assurance
menu
a listing on the computer screen of options from which the user selects the program or process he or she needs
mnemonic
momory-aiding code, such as the abbreviations used to request the appropriate computer program or function necessary to process data
monitor
a cathode-ray tube used for display of television or computer information
networking
simple interoffice connections or connection of complex systems between several organizations in different cities or across continents
online
when a computer system is operational
output
and data that flow from from the CPU to it peripherals
password
a unique identification of a person that allows him or her to become a system user
pneumatic tube
a unidirectional, continuously operating vacuum system that trasfers speicmens in plexiglas carriers from teh patient units to the laboratory.
preanalytical
before analysis
RAM-
Random access memory
temporary storage of data in the CPU that will be lost when power is discontinued, unless transferred to permanent storage
ROM-
read only memory
firmware installed by the manufacturer, its purpose is to instruct the CPU on how to begin the necessary operations requested by the user
software
computer programs
storage
a place for keeping data. outside the computer it is called secondary storage
user manual
a manual containing speiment collection information, including the type of specimen required