Deck 7: Blood Collection Equipment

Question 1

Which of the following statements is true?

A) Double-ended needles are used with syringes.
B) Higher needle gauges correspond to larger needle bore size.
C) Needles should be recapped prior to disposal.
D) Safety devices are part of the venipuncture needle or holder.

Answer 1

Safety devices are part of the venipuncture needle or holder.

Question 2

The gauge of a needle is its

A) length.
B) outside diameter.
C) bore size.
D) none of these.

Answer 2

bore size.

Question 3

A lavender-stoppered evacuated blood collection tube contains

A) ethylene-diamine tetra acetic acid.
B) sodium, lithium, or ammonium heparin.
C) sodium fluoride and potassium oxalate.
D) no additives.

Answer 3

ethylene-diamine tetra acetic acid.

Question 4

A light blue- contains

A) sodium citrate.
B) sodium fluoride.
C) sodium heparin.
D) no additives.

Question 5

Royal blue-stoppered evacuated blood collection tubes may contain (check all that apply)
i. anticoagulants.
ii. gel separator.
iii. clot activator.
iv. EDTA.

A) i, ii, and iii
B) i, iii, and iv
C) ii, iii, and iv
D) i, ii, and iv

Question 6

Evacuated blood collection tubes that contain a clot activator include (check all that apply)
i. Gold
ii. Mint
iii. Royal
iv. Orange

A) i, ii, and iii
B) i, iii, and iv
C) ii, iii, and iv
D) i, ii, and iv

Question 7

Appropriate discard tubes collected prior to filling tubes for coagulation testing include: (check all that apply)
i. Red/clear
ii. Green/black
iii. Red/gray
iv. Red non-additive

A) i, ii, and iii
B) i and iv
C) ii, iii, and iv
D) i, ii, and iv

Question 8

A gray-stoppered evacuated blood collection tube contains: (check all that apply)
i. sodium citrate.
ii. sodium fluoride.
iii. sodium heparin.
iv. potassium oxalate

A) i and ii
B) ii and iv
C) i and iii
D) ii and iii

Question 9

The anticoagulant in a gray-stoppered blood collection tube is

A) sodium citrate.
B) sodium fluoride.
C) potassium heparin.
D) potassium oxalate

Question 10

The antiglycolytic agent in a gray-stoppered blood collection tube is

A) sodium citrate.
B) sodium fluoride.
C) potassium heparin.
D) potassium oxalate.

Question 11

Which tube(s) are specially designed to be free from lead? (check all that apply)
i. Gold
ii. Orange
iii. Royal
iv. Tan

A) i and ii
B) ii and iv
C) i and iii
D) iii and iv

Question 12

Which tube(s) are specially designed to be free from all trace elements? (check all that apply)

A) Gold
B) Orange
C) Royal
D) Tan

Question 13

You are asked to collect a specimen that needs to be tested for heavy metals such as mercury. The evacuated tube you should use has which color cap?

A) Orange
B) Royal
C) Tan
D) White

Question 14

A mint-stoppered evacuated blood collection tube contains

A) ethylene-diamine tetra acetic acid.
B) sodium, lithium, or ammonium heparin.
C) sodium fluoride and potassium oxalate.
D) no additives.

Question 15

A green-stoppered evacuated blood collection tube contains

A) ethylene-diamine tetra acetic acid.
B) sodium, lithium, or ammonium heparin.
C) sodium fluoride and potassium oxalate.
D) no additives.

Question 16

Some evacuated tube stoppers are translucent rather than solid colored. This means that the tube:

A) contains no additive
B) has a stopper that is free from lead
C) has a less vacuum and will only fill part way
D) must have a discard tube precede it

Question 17

A white-stoppered evacuated blood collection tube contains

A) ethylene-diamine tetra acetic acid.
B) sodium, lithium, or ammonium heparin.
C) sodium fluoride and potassium oxalate.
D) no additives.

Question 18

You are assisting another phlebotomist who asks that you hand her a plasma separator tube (PST). Which tube will you hand her?

A) Gold
B) Green
C) Mint
D) Royal

Question 19

A red-stoppered evacuated blood collection tube may contain (check all that apply)
i. a clot activator
ii. lithium heparin
iii. sodium heparin
iv. no additive

A) i and ii
B) ii and iv
C) i and iv
D) ii and iii

Question 20

Evacuated blood collection tubes that do not contain any additives include: (check all that apply)
i. clear-stoppered with red center
ii. red-stoppered plastic tube
iii. red-stoppered glass tube
iv. royal-stoppered with red band on label

A) i, ii, and iii
B) i, iii, and iv
C) ii, iii, and iv
D) i, ii, and iv

Question 21

Appropriate discard tubes collected prior to filling tubes for special coagulation testing include (check all that apply)
i. Lavender
ii. Light blue
iii. Green
iv. Red non-additive

A) i and ii
B) ii and iv
C) i and iii
D) ii and iii

Question 22

Evacuated blood collection tubes that contain sodium citrate include

A) Lavender
B) Light blue
C) Gray
D) Green

Question 23

Evacuated blood collection tubes that contain sodium fluoride include

A) Lavender
B) Light blue
C) Gray
D) Green

Question 24

Evacuated blood collection tubes that contain potassium heparin include

A) Lavender
B) Light blue
C) Gray
D) Green

Question 25

Evacuated blood collection tubes that contain potassium oxalate include

A) Lavender
B) Light blue
C) Gray
D) Green

Question 26

You are employed at a physician's office that serves a high number of patients with diabetes and are asked to order a supply of evacuated tubes that will be used for monitoring these patients' glucose levels. The evacuated tubes you should order have which color stopper?

A) Lavender
B) Gold
C) Gray
D) Mint

Question 27

The laboratory at which you are employed is providing an outreach to the local schools to test children for blood lead levels. The evacuated tubes you should use have which color stopper?

A) Gold
B) Mint
C) Pink
D) Tan

Question 28

-Which part of the needle in the image provided is used to puncture a vein for blood collection?

A) Image A
B) Image B
C) Image C
D) Image D

Question 29

-Which part of the needle in the image provided is used to puncture the cap on evacuated tubes?

A) Image A
B) Image B
C) Image C
D) Image D

Question 30

-Which part of the needle in the image provided is used to connect the needle to the tube holder?

A) Image A
B) Image B
C) Image C
D) Image D

Question 31

-Which part of the needle in the image provided is used to prevent leakage of blood between tube changes?

A) Image A
B) Image B
C) Image C
D) Image D

Question 32

-Which part of the needle in the image provided is used to prevent a needlestick injury?

A) Image A
B) Image B
C) Image C
D) Image D
E) Image E
F) All of the above

Question 33

-Select the evacuated tube(s), represented by the stoppers in this image that contain heparin.

A) Image A
B) Image B
C) Image C
D) Image D
E) All of the above

Question 34

-Select the evacuated tube(s), represented by the stoppers in this image that contain a gel separator.

A) Images A, B
B) Images B, D
C) Images C, B
D) Images A, D

Question 35

Select the evacuated tube, represented by the stoppers in this image that should be used to collect blood for a complete blood count (CBC).

A) Image A
B) Image B
C) Image C
D) Image D

Question 36

-Select the evacuated tube, represented by the stoppers in this image that should be used to collect blood for plasma chemistry tests.

A) Image A
B) Image B
C) Image C
D) Image D

Question 37

-Select the evacuated tube, represented by the stoppers in this image that should be used to collect blood for serum chemistry tests.

A) Image A
B) Image B
C) Image C
D) Image D

Question 38

-Select the evacuated tube, represented by the stoppers in this image that should be used to collect blood for coagulation studies.

A) Image A
B) Image B
C) Image C
D) Image D

Question 39

-Select the evacuated tube, represented by the stoppers in this image, which can be used as discard tubes before collecting blood for special coagulation studies.

A) Image A
B) Image B
C) Image C
D) Image D

Question 40

-Select which blood collection container(s) in this image are appropriate for collecting blood from an infant's heel.

A) Image A
B) Image B
C) Image C
D) Image D

Question 41

-Select which blood collection container(s) in this image are appropriate for collecting blood from a small child.

A) Images A, B, C
B) Images B, C, D
C) Images C, D, A
D) Images D, B, A

Question 42

-Select which blood collection container(s) in this image are appropriate for collecting blood from an adult with easy to access veins.

A) Image A
B) Image B
C) Image C
D) Image D

Question 43

Place the blood collection containers, shown in this image, in their proper order-of-draw.

A) 1,2,3
B) 2,3,1
C) 3,1,2
D) 3,2,1

Question 44

Place the blood collection containers, shown in this image, in their proper order-of-draw.

A) 1,2,3,4
B) 2,4,1,3
C) 3,2,1,4
D) 4,3,2,1

Question 45

Collecting blood into evacuated tubes in the order-of-draw shown in this image may cause:

A) serum samples to remain unclotted.
B) cells to clump in the EDTA tube.
C) contamination of coagulation specimens.
D) no adverse affects; the order is correct.

Question 46

The object in this image is used to:

A) hold the needle and evacuated tubes during venipuncture.
B) perform a capillary puncture.
C) attach a butterfly needle to a syringe.
D) transfer blood from a syringe to an evacuated tube.

Question 47

The object in this image is used to:

A) hold the needle and evacuated tubes during venipuncture.
B) perform a capillary puncture.
C) attach a butterfly needle to a syringe.
D) transfer blood from a syringe to an evacuated tube.

Question 48

The object in this image is used to:

A) collect hold the needle and evacuated tubes during venipuncture.
B) perform a capillary puncture.
C) attach a butterfly needle to a syringe.
D) transfer blood from a syringe to an evacuated tube.

Question 49

A requisition indicates that you must collect blood for ammonia, complete blood count, liver enzymes, and coagulation tests. Select the order in which you will collect tubes for these tests.

A) ammonia, complete blood count, liver enzymes, coagulation tests
B) complete blood count, liver enzymes, coagulation tests ammonia
C) coagulation tests, ammonia, complete blood count, liver enzymes
D) coagulation tests, liver enzymes, ammonia, complete blood count

Question 50

A requisition indicates that you must collect blood for blood type and screen, electrolytes, and coagulation tests. Select the order in which you will collect tubes for these tests.

A) blood type and screen, coagulation tests, electrolytes
B) coagulation tests, blood type and screen, electrolytes
C) coagulation tests, electrolytes, blood type and screen
D) electrolytes, blood type and screen, coagulation tests