Question 1

The part of a syringe that is withdrawn after the vein is entered is the:

Accepted Answer

A)   barrel.
B)   hub.
C)   shield.
D)   plunger.E) A) and B)
F) C) and D)

Question 2

Some evacuated tubes are designed not to completely fill.

Accepted Answer

A) True 
 B)False

Question 3

Lavender stopper tubes are used for which of the following laboratory departments?

Accepted Answer

A)   Hematology
B)   Coagulation
C)   Microbiology
D)   ChemistryE) B) and D)
F) B) and C)

Question 4

Most anticoagulants in blood collection tubes prevent clotting by:

Accepted Answer

A)   binding calcium.
B)   acting as an antithrombin agent.
C)   binding fibrinogen.
D)   releasing heparin.E) A) and B)
F) B) and C)

Question 5

Samples collected in serum separator tubes are most frequently delivered to:

Accepted Answer

A)   immunohematology.
B)   serology.
C)   hematology.
D)   chemistry.E) A) and B)
F) All of the above

Question 6

When using a winged blood collection set,a light blue stopper tube should be collected first.

Accepted Answer

A) True 
 B)False

Question 7

Yellow stopper tubes containing sodium polyanethol sulfonate are used for which of the following?

Accepted Answer

A)   Blood cultures
B)   Lead testing
C)   Human leukocyte antigen (HL
A)   typing
D)   Paternity testingE) A) and B)
F) B) and C)

Question 8

Plasma separator tubes (PSTs) contain the anticoagulant ethylenediaminetetraacetic acid (EDTA).

Accepted Answer

A) True 
 B)False

Question 9

What information does the color coding of evacuated tubes provide?

Accepted Answer

A)   Presence of an anticoagulant
B)   Type of sample collected
C)   Need to invert the tube
D)   All of the aboveE) A) and B)
F) A) and C)

Question 10

A blood-alcohol test should not be collected in a gray stopper tube.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following tubes contains an anticoagulant that inhibits thrombin?

Accepted Answer

A)   Lavender
B)   Light blue
C)   White
D)   GreenE) B) and D)
F) B) and C)

Question 12

The main anticoagulant for coagulation studies is:

Accepted Answer

A)   ethylenediaminetetraacetic acid (EDT
A)  .
B)   sodium citrate.
C)   heparin.
D)   oxalate.E) B) and D)
F) A) and D)

Question 13

The correct order of the four stages of the coagulation or hemostasis process is:

Accepted Answer

A)   Retraction or tightening of the clot; platelets become sticky,clump together,and adhere to the injured vessel wall; degradation or breakdown of the clot; and the extrinsic,intrinsic,and common pathway activate and proceed to complete the clot.
B)   Platelets become sticky,clump together,and adhere to the injured vessel wall; retraction or tightening of the clot; degradation or breakdown of the clot; and the extrinsic,intrinsic,and common pathway activate and proceed to complete the clot.
C)   Platelets become sticky,clump together,and adhere to the injured vessel wall; the extrinsic,intrinsic,and common pathway activate and proceed to complete the clot; retraction or tightening of the clot; and degradation or breakdown of the clot.
D)   The extrinsic,intrinsic,and common pathway activate and proceed to complete the clot; retraction or tightening of the clot; degradation or breakdown of the clot; and platelets become sticky,clump together,and adhere to the injured vessel wall.E) A) and B)
F) C) and D)

Question 14

The purpose of sodium fluoride in gray stopper tubes is to:

Accepted Answer

A)   prevent hemolysis.
B)   prevent clotting.
C)   preserve glucose.
D)   maintain cellular morphology.E) All of the above
F) A) and B)

Question 15

The ratio of blood to anticoagulant in a light blue stopper tube is:

Accepted Answer

A)   2:1.
B)   5:1.
C)   9:1.
D)   10:1.E) A) and B)
F) A) and C)

Question 16

To prevent leakage of blood when tubes are changed,evacuated tube needles:

Accepted Answer

A)   have a blunting device.
B)   use a rubber sheathe.
C)   are only used for single tube collections.
D)   are used with safety holders.E) B) and C)
F) None of the above

Question 17

Needle protection devices are not necessary when using a syringe.

Accepted Answer

A) True 
 B)False

Exam 2: Venipuncture Equipment

Yellow stopper tubes containing sodium polyanethol sulfonate are used for which of the following?

Correct Answer
verified

Samples collected in serum separator tubes are most frequently delivered to:

Correct Answer
verified

To prevent leakage of blood when tubes are changed,evacuated tube needles:

Correct Answer
verified

The part of a syringe that is withdrawn after the vein is entered is the:

Correct Answer
verified

The correct order of the four stages of the coagulation or hemostasis process is:

Correct Answer
verified

The purpose of sodium fluoride in gray stopper tubes is to:

Correct Answer
verified

The ratio of blood to anticoagulant in a light blue stopper tube is:

Correct Answer
verified

What information does the color coding of evacuated tubes provide?

Correct Answer
verified

A blood-alcohol test should not be collected in a gray stopper tube.

Correct Answer
verified

Most anticoagulants in blood collection tubes prevent clotting by:

Correct Answer
verified

Plasma separator tubes (PSTs) contain the anticoagulant ethylenediaminetetraacetic acid (EDTA).

Correct Answer
verified

Lavender stopper tubes are used for which of the following laboratory departments?

Correct Answer
verified

Needle protection devices are not necessary when using a syringe.

Correct Answer
verified

Which of the following tubes contains an anticoagulant that inhibits thrombin?

Correct Answer
verified

When using a winged blood collection set,a light blue stopper tube should be collected first.

Correct Answer
verified

Some evacuated tubes are designed not to completely fill.

Correct Answer
verified

The main anticoagulant for coagulation studies is:

Correct Answer
verified

Exam 2: Venipuncture Equipment

Yellow stopper tubes containing sodium polyanethol sulfonate are used for which of the following?

Correct AnswerverifiedShow Answer

Samples collected in serum separator tubes are most frequently delivered to:

Correct AnswerverifiedShow Answer

To prevent leakage of blood when tubes are changed,evacuated tube needles:

Correct AnswerverifiedShow Answer

The part of a syringe that is withdrawn after the vein is entered is the:

Correct AnswerverifiedShow Answer

The correct order of the four stages of the coagulation or hemostasis process is:

Correct AnswerverifiedShow Answer

The purpose of sodium fluoride in gray stopper tubes is to:

Correct AnswerverifiedShow Answer

The ratio of blood to anticoagulant in a light blue stopper tube is:

Correct AnswerverifiedShow Answer

What information does the color coding of evacuated tubes provide?

Correct AnswerverifiedShow Answer

A blood-alcohol test should not be collected in a gray stopper tube.

Correct AnswerverifiedShow Answer

Most anticoagulants in blood collection tubes prevent clotting by:

Correct AnswerverifiedShow Answer

Plasma separator tubes (PSTs) contain the anticoagulant ethylenediaminetetraacetic acid (EDTA).

Correct AnswerverifiedShow Answer

Lavender stopper tubes are used for which of the following laboratory departments?

Correct AnswerverifiedShow Answer

Needle protection devices are not necessary when using a syringe.

Correct AnswerverifiedShow Answer

Which of the following tubes contains an anticoagulant that inhibits thrombin?

Correct AnswerverifiedShow Answer

When using a winged blood collection set,a light blue stopper tube should be collected first.

Correct AnswerverifiedShow Answer

Some evacuated tubes are designed not to completely fill.

Correct AnswerverifiedShow Answer

The main anticoagulant for coagulation studies is:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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