Chap 4- Specimen Colection And Transportaion

Question 1

Anticoagulants are substances that___?

Answer 1

Prevent blood clotting.

Question 2

The preferred anticoagulant and clinical chemistry is ____?

Answer 2

Heparin

Question 3

General anticoagulant used to study glucose levels is ___?

Answer 3

Lithium heparin

Question 4

Thee anticoagulant used in blood donations is ___?

Answer 4

Acid-citrate dextrose

Question 5

And tubes with anticoagulants, it is important to fill the tube with the correct amount of blood to provide ___?

Answer 5

And accurate blood-additive ratio.

Question 6

Needles have a color coding system which indicates the gauge size, the green top is

Answer 6

21 gauge

Question 7

Needles have a color coding system which indicates the gauge size the, blue top is?

Answer 7

23 gauge

Question 8

Needles have a color coding system which indicates the gauge size, the orange top is

Answer 8

25 guage

Question 9

Disposal unit is also known as a __?

Answer 9

Sharps container.

Question 10

Needles and other sharp objects/instruments must be disposed into___?

Answer 10

A disposal unit/sharps container

Question 11

What is a centrifuge?

Answer 11

Device/machine with fast rotating container which applies radials force

Question 12

What is a centrifuge used for?

Answer 12

Is used as a separate fluids of different densities.

Question 13

If blood has a separation device, it should be centrifuged ___?

Answer 13

Once.

Question 14

Why is it automated system more reliable?

Answer 14

It may have labels that use barcodes

Question 15

Barcodes maybe used for___?

Answer 15

• 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

Question 16

ID tags and RFID tags use ___.

Answer 16

Silicone chips in wireless receiver

Question 17

Blood that needs to be tested for lead levels should be collected in___.

Answer 17

Lead top tubes.

Question 18

Blood collected for testing a blood copper should be collected in___.

Answer 18

Royal blue top tubes

Question 19

Blood collected for blood cell count should be collected in___.

Answer 19

Purple/lavender top tubes

Question 20

Blood collected for cytogenetic analysis should be collected in___.

Answer 20

Green top tubes

Question 21

The yellow talk tube is used for___.

Answer 21

Blood cultures (SPS)

Question 22

Then green top tube is the ___.

Answer 22

Heparin tube

Question 23

The Purple top tube is the __?

Answer 23

EDTA tube

Question 24

Dark blue top tubes…

Answer 24

• Contain sodium EDTA l
• Specifically designed to contain no contaminating metals
• No anticoagulation
• Used to trace element testing and toxicology

Question 25

The safest and most efficient method of transport is the ___ tube system.

Answer 25

Pneumatic

Question 26

Why do blood and urine samples need to be transported quickly?

Answer 26

In order to increase the chance of pathogen detection.

Question 27

Seara specimens should be transported to the lab within___to avoid erroneous results

Answer 27

2 hours

Question 28

A delay or improper transport may cause a ___, Which can compromise laboratory testing and or assays

Answer 28

Hemolyzed specimen

Question 29

A common way of keeping a specimen cold during transport is by using___.

Answer 29

Icy water

Question 30

In the case of a light sensitive specimen it is best to wrap the collection tube in___to prevent exposure to light.

Answer 30

Aluminum foil

Question 31

A common light-sensitive analyte is

Answer 31

Bilirubin

Question 32

To prevent infection___.

Answer 32

The skin must be properly cleaned/sterilized, and gloves should always be worn