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MLA > Unit 4 Accessioning > Flashcards

Unit 4 Accessioning Flashcards

1
Q

happens before testing.

now called preexamination

A

pre-analytical

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2
Q

happens during testing.

now called examination

A

analytical

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3
Q

happens after testing.

now called postexamination

A

post analytical

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4
Q

lab tests are requested by means of the lab requisitions form or a computer generated order

A

requisitions

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5
Q

serve as both lab requests and report forms are considered a more traditional manual system

A

multiple part requisition forms

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6
Q

makes sure the correct treatment is administered to the right patient, ultimately reducing errors and ensuring patient safety

A

barcodes

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7
Q

may include any human or animal material such as urine, feces, blood, tissue and fluids being shipped for diagnostic or investigate purposes

A

infectious specimen

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8
Q

specimen delivery methods

A

hand delivery
pneumatic tube system
vehicles

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9
Q

tests that can be affected with the pneumatic tube system

A

potassium
hemoglobin
acid phosphatase
lactate dehydrogenase

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10
Q

tests that are not affected with the tube system

A

ALP
AST
chloride
glucose
creatinine
urea
uric acid

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11
Q

if the blood is drawn in an SST/PST tube it is stable for ___ after centrifugation

A

24 hours

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12
Q

if stored at 4 degrees, the SST/PST tube is stable for ___

A

48 hours

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13
Q

urine specimens (protected from light) can be tested within ___ at ___

A

2 hours, RT

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14
Q

cytology specimens should be tested ____

if not ____ should be added to preserve the cells

A

ASAP

ethanol

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15
Q

refers to the process of dividing a larger volume of a specimen into smaller, standardized aliquots for storage, analysis or distribution

A

Aliquot preparation

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16
Q

aliquot is used when

A
  1. Multiple tests are ordered
  2. tests are performed on different instruments or in different areas
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17
Q

serum/plasma should be not thawed more than ?

A

once

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18
Q

estimate the amount of specimen in an aliquot tube

A

0.5 ml = little finger
1.0 ml = index finger
2.0 ml = middle and index finger

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19
Q

body temp

A

36.4 - 37.6 degrees celsius (avg is 37 degrees)

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20
Q

room temp

A

20 - 30 degrees C (avg 25)

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21
Q

refrigerator temp

A

2 - 10 degrees C

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22
Q

frozen temp

A
  • 20 degrees C (some specimens require -70 degrees C or lower)
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23
Q

slows down metabolic specimens

also protects thermolabile

should be completely immersed in a slurry of crushed ice

A

chilling specimen

24
Q

to altered or destroyed by heat

A

thermolabile

25
these specimens can be immersed in a combination of water and ice
arterial blood gases - on ice ammonia - on ice lactic acid - on ice
26
specimens that must not be chilled
coag tests potassium
27
specimens to be kept at body temp
cold agglutinins cryofibrinogen semen analysis
28
these samples can be taken in plain tube and protected from light by wrapping in aluminum foil - amber colored collection containers are available for collecting bilirubin for infants
bilirubin vitamin b12 carotene
29
a decrease of ___ of the bilirubin is lost after 1 hour of light exposure
50%
30
urine specimens for porphyrins
are collected in a dark bottle
31
used to diagnose meningitis infections and other brain disorders always delivered STAT usually collected in 3-4 tubes
CSF
32
1st tube for CSF
goes to chemistry/immunology on ice
33
2nd tube for CSF
goes to micro - no ice
34
3rd tube for CSF
goes to hema (differential and cell count) - on ice
35
4th tube for CSF
goes to cytology or other special test
36
if one specimen such as urine or CSF is needed by 3 depts., it must be processed as follows do not put on ice
micro - prevents contamination hema - for cellular analysis chem
37
lab personnel must be aware of TDG regulations for 3 reasons
1. Transport chemicals needed for the lab 2. Transport of specimens from one site to another (satellite to main lab) 3. Disposal of hazardous waste (chemical and biological)
38
packaging of diagnostic and infectious specimens should generally follow
The triple packaging system
39
Blood collection tubes, urine containers, or pour off tubes with leak proof lids
Primary package
40
Durable, watertight, leak-proof receptable to enclose and protect the primary receptacle(s) Example envelope plastic bag
Secondary package
41
Durable rigid container Example: cooler
Outer package
42
Refers to the management and preservation of laboratory specimens and test results after the completion of analysis
Post analysis storage
43
Anticoagulated venous specimen should be stored at ____ if they will not be tested within ____
2-8 degrees celsius; 4 hours
44
____/_____ aliquots can remain at room temp for no longer than ____
Serum/plasma; 8 hours
45
If the assays can be tested within ____, then the aliquots should be refrigerated (____)
48 hours; 2-8 degrees celsius
46
If assays are not completed within 48 hrs, the aliquots should be frozen at ____ or below degrees C
-20 degrees C
47
____ tubes are stored for _____ and discarded. Frozen specimens unacceptable.
EDTA; 24 hours
48
____/____ tubes are stored at RT for ____
Sodium flouride/potassium oxalate; 24 hours
49
Must be incinerated or buried in a cemetery or destroyed in a crematorium
Human anatomical waste
50
Must be incinerated, autoclaved, or otherwise treated in a manner that destroys pathogens
Microbiological waste
51
Sharps are disposed of in puncture resistant containers and shall be
Incinerated Autoclaved Otherwise treated in manner that renders them unusable and destroys pathogenic microorganisms
52
COC
Chain of custody forms
53
Refers to the documented process of establishing and maintaining control over the handling, storage, and disposition of specimen samples, or evidence from the time of collection to final disposition
Chain of custody
54
Clean with _____ when collecting ETOH
benzalkonium chloride (or soap and water)
55
Indicate life threatening situation. And action must be taken immediately.
Critical (panic) levels

MLA (12 decks)

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