Exam (elaborations)
MDLB 1321 COMPUTERS AND SPECIMEN HANDLING AND PROCESSING QUESTIONS AND ANSWERS
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MDLB 1321 COMPUTERS AND SPECIMEN HANDLING AND PROCESSING QUESTIONS AND ANSWERS
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Name: Score:61 Multiple choice questions
Definition 1 of 61
laboratory information system is a software that manages the workflow, data management,
security and interaction and interface with the HIS and EMR's (electronic medical records)
LIS
Software
pre-analytical patient variables:
Computers
Definition 2 of 61
-up to 50% after 1 hour exposure
chilled transport
Types of requisition forms:
bilirubin decomposition
reticulocyte
Definition 3 of 61
-placed in a slurry of ice water and separated from cells within 15 min
Storage
semi-manual requisition form
Hardware
ammonia
,Definition 4 of 61
connects two sides of an application and passes data between them
output
network
Hardware
Middleware
Definition 5 of 61
effective centrifugation, specimen accessioning (logging into lab), distribution to lab section,
delay in processing, contamination, exposure to heat or light
pre-analytical specimen variables
pre-analytical specimen processing variables
computer-generated requisition forms
pre-analytical transportation variables
Definition 6 of 61
-Quality of patient results depends heavily on the pre-analytical phase which occurs prior to
analysis
-Pre-analytical errors account for ~46-68% of all lab errors.
-Before: inadequate fast, medications, stress, smoking, strenuous exercise, wrong test ordered,
treatments, incomplete requisition
-Time of collection: misidentified patient, expired tube, antiseptic not dry, improper vein
selection, inadequate volume, wrong tube, mislabeled tube, wrong time
-During transport: delay, exposure to light, heat or cold
SPECIMEN TRANSPORT/DELIVERY
pre-analytical specimen variables
Pre-analytical Phase of Testing
pre-analytical specimen processing variables
,Definition 7 of 61
-usually used for STAT reporting and for conveying "panic results"
-log to whom and when it was reported
Computer reporting mechanism
semi-manual requisition form
verbal reporting mechanism
FAX reporting mechanism
Definition 8 of 61
-available on system (permanent copy)
-hard copy
-usually on-line (results available immediately)
Computer reporting mechanism
written reporting mechanism
Computer and equipment used in the Laboratory
verbal reporting mechanism
Definition 9 of 61
room temp: 6 hours
refrigerated: 72 hours
Urinalysis
warm transport
PTT
reticulocyte
, Definition 10 of 61
-Routine blood specimens ~ delivered to the lab within 45 minutes of collection
-CLSI recommends transporting tubes in a vertical position to reduce hemolysis and cell
damage
-Specimens requiring separation ~ centrifuged within 1 hr of arrival in lab
using the centrifuge:
Transporting Specimens
specimen transport variables
Specimen Delivery Time
Definition 11 of 61
-room temp: 24 hours
-refrigerated: 48 hours
warm transport
glucose-gray
Urinalysis
glycolysis occurs:
Definition 12 of 61
system software runs the computer and application software refers to programs prepared by
software companies to perform specific tasks
Software
LIS
pre-analytical patient variables:
Computer Transmitting Test Request to the Lab:
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