Question 1

The proper procedure for collecting a serum specimen is to

Accepted Answer

A)   use a green-topped tube.
B)   allow the specimen to clot.
C)   use a microhematocrit tube.
D)   use a red or marbled-top tube.
E)   B and D.F) B) and E)
G) A) and D)

Question 2

A(n)___________ is applied to the skin 30 to 60 seconds before the blood draw to prevent infection at the puncture site.

Accepted Answer

The answer of A(n)___________ is applied to the skin 30...

Question 3

A winged infusion set is also known as a

Accepted Answer

A)   Hemagard tube.
B)   Velcro tourniquet.
C)   butterfly needle.
D)   luer adapter.E) B) and D)
F) None of the above

Question 4

Which of the following collection tubes contains thixotropic gel?

Accepted Answer

A)   Lavender
B)   Red
C)   Green-gray
D)   Light green
E)   Both C and DF) A) and B)
G) A) and C)

Question 5

A(n)____________ is a special laboratory filter paper that is used to collect a blood sample from newborns.

Accepted Answer

The answer of A(n)____________ is a special laboratory filter paper...

Question 6

The slant at the open end of a needle used for venipuncture is called the

Accepted Answer

A)   lumen.
B)   bevel.
C)   shaft.
D)   bore.E) C) and D)
F) All of the above

Question 7

The clear part of whole blood that contains clotting agents is

Accepted Answer

A)   plasma.
B)   blood cells.
C)   serum.
D)   hemoglobin.
E)   B and D.F) A) and B)
G) C) and D)

Question 8

Securing a patient in a blood collection chair helps prevent injuries if the patient experiences ____________.

Accepted Answer

The answer of Securing a patient in a blood collection...

Question 9

With regard to venipuncture needles,the smaller the gauge number,the larger the lumen of the needle.

Accepted Answer

A) True 
 B)False

Question 10

The device used for dermal puncture is a(n)

Accepted Answer

A)   Unopette.
B)   lancet.
C)   butterfly.
D)   Vacutainer.E) A) and C)
F) B) and C)

Question 11

A syringe is preferred over a Vacutainer collection device when

Accepted Answer

A)   the patient's veins are fragile.
B)   the sample must be drawn from the hand veins.
C)   many tests have been ordered,and multiple tubes must be drawn.
D)   All of the aboveE) B) and C)
F) All of the above

Question 12

With phlebotomy on teenage patients,it is important to make sure a parent is present during the blood draw to give permission for the procedure.

Accepted Answer

A) True 
 B)False

Question 13

A tourniquet should never be used when a venous blood sample is to be drawn from the hand.

Accepted Answer

A) True 
 B)False

Question 14

A patient must give verbal consent before venipuncture can be performed.

Accepted Answer

A) True 
 B)False

Question 15

Why should a tourniquet not be tied too tightly?

Accepted Answer

A)   It impedes arterial blood flow.
B)   It restricts venous blood return.
C)   It results in poor venous distention.
D)   All of the above are correct.E) B) and C)
F) All of the above

Question 16

The most common phlebotomy site(s) in adults is (are) the

Accepted Answer

A)   radial vein.
B)   brachial artery.
C)   veins in the antecubital space.
D)   veins in the popliteal area.E) A) and C)
F) A) and B)

Question 17

What is the first step OSHA recommends for the effective management of an accidental sharps exposure?

Accepted Answer

A)   Injury reported to the supervisor
B)   Site is washed for 10 minutes with antimicrobial soap
C)   Referred to a physician for confidential assessment and follow-up
D)   Incident report is completedE) C) and D)
F) B) and D)

Question 18

What is the major cause of specimen rejection?

Accepted Answer

A)   Insufficient quantity
B)   Incorrect tube used for the test ordered
C)   Hemolysis
D)   Improper handling
E)   Defective tubeF) A) and C)
G) B) and C)

Question 19

If a patient faints while his or her blood is being drawn,the patient must remain in the facility for at least 15 minutes and should not operate a vehicle for at least 30 minutes.

Accepted Answer

A) True 
 B)False

Question 20

Blood obtained via capillary puncture can be collected

Accepted Answer

A)   in Microtainer tubes.
B)   in capillary tubes.
C)   in microhematocrit tubes.
D)   onto filter paper.
E)   All of the aboveF) D) and E)
G) C) and D)

Exam 29: Assisting in Blood Collection

What is the major cause of specimen rejection?

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A winged infusion set is also known as a

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Why should a tourniquet not be tied too tightly?

Correct AnswerverifiedShow Answer

With phlebotomy on teenage patients,it is important to make sure a parent is present during the blood draw to give permission for the procedure.

Correct AnswerverifiedShow Answer

Blood obtained via capillary puncture can be collected

Correct AnswerverifiedShow Answer

If a patient faints while his or her blood is being drawn,the patient must remain in the facility for at least 15 minutes and should not operate a vehicle for at least 30 minutes.

Correct AnswerverifiedShow Answer

A patient must give verbal consent before venipuncture can be performed.

Correct AnswerverifiedShow Answer

A tourniquet should never be used when a venous blood sample is to be drawn from the hand.

Correct AnswerverifiedShow Answer

With regard to venipuncture needles,the smaller the gauge number,the larger the lumen of the needle.

Correct AnswerverifiedShow Answer

A(n)____________ is a special laboratory filter paper that is used to collect a blood sample from newborns.

Correct AnswerverifiedShow Answer

Securing a patient in a blood collection chair helps prevent injuries if the patient experiences ____________.

Correct AnswerverifiedShow Answer

What is the first step OSHA recommends for the effective management of an accidental sharps exposure?

Correct AnswerverifiedShow Answer

The proper procedure for collecting a serum specimen is to

Correct AnswerverifiedShow Answer

The clear part of whole blood that contains clotting agents is

Correct AnswerverifiedShow Answer

Which of the following collection tubes contains thixotropic gel?

Correct AnswerverifiedShow Answer

The slant at the open end of a needle used for venipuncture is called the

Correct AnswerverifiedShow Answer

A(n)___________ is applied to the skin 30 to 60 seconds before the blood draw to prevent infection at the puncture site.

Correct AnswerverifiedShow Answer

The most common phlebotomy site(s) in adults is (are) the

Correct AnswerverifiedShow Answer

A syringe is preferred over a Vacutainer collection device when

Correct AnswerverifiedShow Answer

The device used for dermal puncture is a(n)

Correct AnswerverifiedShow Answer

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