Chapter 12 Flashcards
The process of entering a password and gaining access to a computer is called
logging on
A specimen would most likely be accepted for testing despite this problem
no phlebotomist initials
This is permanent computer memory that instructs the computer to carry out user requested operations
ROM
Which of the following is used by the laboratory to identify a specimen throughout the testing process
accession number
A barcode is a
series of bars and spaces representing numbers or letters
a pneumatic tube is a
pressurized air transportation system
applications software called “middleware”
accepts data downloaded from POD instruments
an example of pre analytical error happening during specimen processing is
inadequate centrifugation
Use of one of the newer technologies, RFID, is emerging in healthcare as a
method of specimen identification
transporting blood specimens with the stopper up has nothing to do with
maintaining the sterility of the sample
Which of the following would not be considered a preanalytical error?
misreporting patient results
this is a source of preanalytical error that occurs before specimen collection
dehydrated patient
which of the following specimens need to be chilled?
ammonia
this organization develops standards for specimen handling and processing
CLSI
According to CLSI, the maximum time limit for separating serum or plasma from cells is
2.0 hrs from TOC
Which of the following specimens are least likely to require special handling?
cholesterol and uric acid
which statement describes proper centrifuge operation?
place tubes of equal size and volume opposite one another for balance
which of the following collection circumstances is least likely to result in delayed clotting of a serum sample
collection was difficult, hemolyzing red cells
which specimen can be centrifuged immediately upon arrival in specimen processing
calcium in a green top tube
Which of the following represents improper aliquot preparation?
carefully pouring the contents into a aliquot tube
the handling of a specimen before it is actually tested is part of the _____ phase
preanaytical
A specimen arrives with less volume than is needed for the test. It will be noted why the specimen was rejected by using the abbreviation _____
QNS (quality not sufficient)
True or False Accession takes place in central processing or triage
false
True or False “ASAP” or “Med Emerg” specimens must be attended to before routine specimens
True
True or False Glycolysis by erythrocytes and leukocytes in blood specimens can lower glucose values at a rate of up to 20 mg/dL per hour
True
