Chap 4- Specimen Colection And Transportaion Flashcards
Anticoagulants are substances that___?
Prevent blood clotting.
The preferred anticoagulant and clinical chemistry is ____?
Heparin
General anticoagulant used to study glucose levels is ___?
Lithium heparin
Thee anticoagulant used in blood donations is ___?
Acid-citrate dextrose
And tubes with anticoagulants, it is important to fill the tube with the correct amount of blood to provide ___?
And accurate blood-additive ratio.
Needles have a color coding system which indicates the gauge size, the green top is
21 gauge
Needles have a color coding system which indicates the gauge size the, blue top is?
23 gauge
Needles have a color coding system which indicates the gauge size, the orange top is
25 guage
Disposal unit is also known as a __?
Sharps container.
Needles and other sharp objects/instruments must be disposed into___?
A disposal unit/sharps container
What is a centrifuge?
Device/machine with fast rotating container which applies radials force
What is a centrifuge used for?
Is used as a separate fluids of different densities.
If blood has a separation device, it should be centrifuged ___?
Once.
Why is it automated system more reliable?
It may have labels that use barcodes
Barcodes maybe used for___?
- Patient names, ID number, and date of birth.
- Specimen accession numbers.
- test codes
- product numbers
- Expiration dates of inventory
It is not used for-
- handwritten information can’t be converted to barcodes
- Not for patient arm preference
ID tags and RFID tags use ___.
Silicone chips in wireless receiver
Blood that needs to be tested for lead levels should be collected in___.
Lead top tubes.
Blood collected for testing a blood copper should be collected in___.
Royal blue top tubes
Blood collected for blood cell count should be collected in___.
Purple/lavender top tubes
Blood collected for cytogenetic analysis should be collected in___.
Green top tubes
The yellow talk tube is used for___.
Blood cultures (SPS)
Then green top tube is the ___.
Heparin tube
The Purple top tube is the __?
EDTA tube
Dark blue top tubes…
- Contain sodium EDTA l
- Specifically designed to contain no contaminating metals
- No anticoagulation
- Used to trace element testing and toxicology
The safest and most efficient method of transport is the ___ tube system.
Pneumatic
Why do blood and urine samples need to be transported quickly?
In order to increase the chance of pathogen detection.
Seara specimens should be transported to the lab within___to avoid erroneous results
2 hours
A delay or improper transport may cause a ___, Which can compromise laboratory testing and or assays
Hemolyzed specimen
A common way of keeping a specimen cold during transport is by using___.
Icy water
In the case of a light sensitive specimen it is best to wrap the collection tube in___to prevent exposure to light.
Aluminum foil
A common light-sensitive analyte is
Bilirubin
To prevent infection___.
The skin must be properly cleaned/sterilized, and gloves should always be worn
