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Phlebotomy Essentials CH 12 Flashcards | StudBud
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Phlebotomy Essentials CH 12
Phlebotomy Essentials CH 12
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1
Which of the following would
NOT
be considered a preanalytical error?
failing to mix an additive tube
using the wrong order of draw
mislabeling an aliquot tube
misreporting patient results
2
Which of the following is used by the lab to identify a specimen throughout the testing process
mnemonic code
password ID
hospital number
accession number
3
Applications software called "middleware"
accepts data download from POC instruments
controls user-requested computer operation
is the computer equipment used to process data
is considered temporary or secondary storage
4
Which of these is a source of preanalytical error that occurs before specimen collection?
wrong collection time
dehydrated patient
mislabeled specimen
misidentified patient
5
Which of the following collection circumstances is least likely to result in delayed clotting of a serum sample
collection was difficult, hemolyzing red blood cells
patient has elevated white blood cells
Patient is taking an anticoagulant medication
specimen is chilled soon after being collected
6
An example of a preanalytical error happening during specimen processing is
faulty collection technique
inadequate centrifugation
insufficient centrifugation
insufficient specimen
7
Which of the following needs to be be chilled ?
Ammonia
serum protein
cold agglutinin
bilirubin
8
Which of the following specimens are least likely to require special handling
gastrin and lactic acid
homocysteine and renin
cholesterol and uric acid
bilirubin and serum folate
9
Which statement describes proper centrifuge operation
never centrifuge both serum and plasma specimens in same centrifuge
place tubes of equal size and volume opposite each other for balance
remove evacuated tube stoppers before placing them in centrifuge
centrifuge serum specimens before they start to form noticeable clots
10
Which can be centrifuged immediately upon arrival in specimen processing
calcium in a green top tube
CBC in a lavender stopper tube
Creatinine in an SST tube
blood culture in an SPS tube
11
A specimen arrive with less volume than is needed for the test, it will be noted why it was rejected by the abbreviation
LIS
RAM
QNS
ROM
12
According to CLSI _____ _______ tubes should be placed upright as soon as they are mixed
blood culture
sodium citrite
trace element
gel barrier
13
A pneumatic tube is a
type of collection tube for blood gases
pressurized air transportation system
temporary computer data storage unit
tube connection between two computers
14
A barcode is
codded instruction needed to control computer hardware
confidential computer data storage unit
series of bars and spaces representing numbers or letters
unique number given to each test request for ID purposes
15
Use of one of the newer technologies, RFID, is emerging in healthcare as a
mnemonic for strong disinfectants
test code for chemistry analyzers
method of specimen identification
computer program for interfacing
16
Lab inspection for compliance with shipping regulations and imposing penalties for noncompliance can be done by the US
IATA
biobank
DOT
central processing
17
Which of the following is the best way to prepare routine blood specimen tubes for transportation to an off site lab
wipe each tube with alcohol
wrap the tubes with the requisitions
seal the tubes in plastic bags
place tube in an ice slurry
18
A test sample that is not recommended to be sent in a pneumatic tube is
alkaline phosphate
blood creatinine
serum potassium
total bilirubin
19
Transporting blood specimens with the stopper up has nothing to do with
reducing agitation caused hemolysis
encouraging complete clot formation
maintaining sterility of the specimen
minimizing stopper caused aerosols
20
Which of the following represents improper aliquot preparation?
carefully pouring the contents into the aliquot tube
capping the aliquot tube immediately
Removing the stopper behind a splash sheild
all options are correct
21
Specimen processor must remove tube stopper to transfer specimen into aliquot tubes.How do they avoid airborne infection
hold tube away from body while removing stopper
carefully pour specimen in aliquot tube
work behind a splah shield to open tubes
tap specimen tube to settle the specimen
22
The handling of a specimen before it is actually tested is part of the _____ phase
analytical
preanalytical
mnemonic
postanalytical
23
Which organization develops standards for specimen handling and processing?
CLSI
CDC
CLIA
FDA
24
Which of the following activities is least likely to take place in central processing or triage
accessing or logging
sorting by department
analysis and reporting
evaluation for suitability
25
Critical values are also called
unstable values
at risk values
Panic values
alarm values
26
According to CLSI, the max time limit for separating serum or plasma from cells is
2.0 hrs
1.0 hrs
15 mins
30mins
27
The laboratory information system is a/an
unidirectional interface
computer network
analyzer workstation
software package
28
A specimen would most likely be accepted for testing despite which of the following problems?
QNS
incomplete identification
expired evacuated tube
no phlebotomist initials
29
When you log on to the LIS and enter your password, it tells the LIS
what function you can use
you are who you say are
who is using the computer
which mnemonics you can use
30
CLSI and OSHA guidelines do not require specimen transport bags to have
a visible biohazard sign
shock resistance features
liquid tight closure tops
slip pockets for paperwork
