Question 1

The normal range for potassium in the blood is ____.

Accepted Answer

A)   8.6 to 10.0 mg/dL
B)   136 to 145 mEq/L
C)   3.5 to 5.1 mEq/L
D)   6 to 20 mg/dL
E)   21 to 28 mEq/LF) A) and E)
G) C) and D) C

Question 2

The rupturing of red blood cells, releasing hemoglobin, is called ________.

Accepted Answer

The answer of The rupturing of red blood cells, releasing...

Question 3

Which of the following are included in steps for collection of a blood specimen?

Accepted Answer

A)   Tell the patient the process will not be painful
B)   Identify the patient correctly
C)   Ask the patient what test he needs
D)   Use the same tubes for chemistry and hematology tests
E)   Apply the tourniquet to the patient's lower armF) B) and D)
G) A) and B)

Question 4

When blood leaks out of the vein around the puncture site during venipuncture and collects under the skin, it forms a(n) ________.

Accepted Answer

The answer of When blood leaks out of the vein...

Question 5

The total volume of plasma and formed elements is called ________ blood.

Accepted Answer

The answer of The total volume of plasma and formed...

Question 6

Normal prothrombin time (PT)  is ____.

Accepted Answer

A)   11 to 15 seconds
B)   30 50 60 seconds
C)   2 to 7 minutes
D)   8 to 10 minutes
E)   30 to 45 minutesF) A) and B)
G) B) and C) A

Question 7

Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?

Accepted Answer

A)   Evacuation system
B)   Capillary puncture
C)   Needle and syringe system
D)   Butterfly system
E)   Blood culture systemF) All of the above
G) A) and E)

Question 8

Which of the following is most commonly used to cleanse the skin before drawing blood?

Accepted Answer

A)   Alcohol
B)   Soap and water
C)   Hibiclens
D)   Hydrogen peroxide
E)   10% bleachF) B) and C)
G) B) and D)

Question 9

Julia is a pretty, 16-year-old patient who has come to the office for her annual physical. The physician has asked you to draw blood for routine blood tests. When she realizes that you are going to draw her blood, she frowns and backs away. She tells you that when "they" drew her blood last year, it left a huge, ugly bruise that took weeks to go away. Which of the following would be your best response?

Accepted Answer

A)   "They probably didn't draw the blood correctly last time."
B)   "Don't worry, I promise I will not cause a bruise on your arm."
C)   "If you get a bruise, you can wear long-sleeve shirts for a few weeks."
D)   "Some bruising is possible, but I will do everything possible to minimize it."
E)   "Bruising is just one of the side effects of having your blood drawn."F) C) and E)
G) A) and D)

Question 10

In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ____.

Accepted Answer

A)   recap needles before transporting them to the sharps container
B)   throw sharps into the wastebasket
C)   attend bloodborne pathogen training every three years
D)   avoid using needles with hinged shields
E)   use needles only if no safe alternatives are availableF) All of the above
G) A) and B)

Question 11

Kaiden is a 32-year-old businessman who is being seen in the office because he has been feeling fatigued all of the time. He says he is having difficulty concentrating at work, and his appetite is off. The physician has ordered several blood tests. When you explain the procedure to Kaiden, he smiles and says, "Oh, sure, I've been through this many times before. Do what you have to do!" A few seconds after you insert the needle and begin drawing the first tube of blood, Kaiden suddenly goes limp. You realize that he has fainted and is beginning to slip out of the chair. What should you do?

Accepted Answer

A)   Thrust his head down between his legs
B)   Leave the room immediately to call for help
C)   Release the tourniquet, but leave the needle in his arm until the physician arrives
D)   Wipe his face with a towel soaked with cool water
E)   Gently lower him to the floor while protecting his headF) B) and C)
G) B) and E)

Question 12

Which of the following is characteristic of lancets?

Accepted Answer

A)   They are used when a large amount of blood is required for a specific procedure.
B)   They puncture a vein for the purpose of drawing blood.
C)   They require the use of a tourniquet and a syringe with a needle.
D)   They are disposable instruments with sharp points used to puncture the skin.
E)   They eliminate the need for an engineered safety device.F) B) and C)
G) None of the above

Question 13

The insertion of a needle or cannula into a vein for the purpose of withdrawing blood is called ________.

Accepted Answer

The answer of The insertion of a needle or cannula...

Question 14

A(n) ________ is a small, calibrated glass tube that holds a precise volume of fluid.

Accepted Answer

The answer of A(n) ________ is a small, calibrated glass...

Question 15

A blood test that measures creatine kinase (CK)  can identify ____.

Accepted Answer

A)   gout
B)   heart disease
C)   leukemia
D)   diabetes mellitus
E)   sickle cell anemiaF) C) and D)
G) A) and B) B

Question 16

The clear, yellow liquid in which the formed elements of blood are suspended is called _______.

Accepted Answer

The answer of The clear, yellow liquid in which the...

Question 17

An erythrocyte (RBC)  count is used to identify ____.

Accepted Answer

A)   an infection
B)   anemia
C)   fluid and electrolyte imbalance
D)   leukemia
E)   viral hepatitisF) B) and E)
G) B) and D)

Question 18

When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.

Accepted Answer

The answer of When blood is centrifuged, the red layer...

Question 19

Which of the following would you include when preparing a venipuncture site?

Accepted Answer

A)   Elevate the chosen arm for the venipuncture site
B)   Apply the tourniquet tight enough to stop the flow of blood
C)   Palpate the proposed venipuncture site with your thumb
D)   Cleanse the venipuncture site using a circular motion starting at the center and working outward
E)   Use sterile gauze to dry the venipuncture site after cleansing itF) None of the above
G) C) and E)

Question 20

Melanie is a 46-year-old unemployed patient who is being seen in the medical office because of a pain in her abdomen that has persisted for three weeks. The physician orders a urinalysis and several blood tests. When you begin preparing to draw her blood, Melanie says, "No! I don't want you to draw my blood. I just want to know what is causing the pain in my stomach. You don't need blood for that! I can't afford all these extra tests." You explain that the blood tests are needed to help diagnose the stomach pain, but Melanie continues to refuse to allow you to draw her blood. What should you do?

Accepted Answer

A)   Inform Melanie that you must draw the blood because the physician ordered it
B)   Report her refusal to your supervisor or the physician and make a note in her chart
C)   Offer to draw the blood free of charge, since Melanie is unemployed
D)   Assure Melanie that insurance will cover the cost of the tests
E)   Ask colleagues in the office to assist you in drawing Melanie's bloodF) B) and E)
G) C) and D)

Exam 49: Collecting, Processing, and Testing Blood Specimens

The normal range for potassium in the blood is ____.

Correct Answer
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C

The rupturing of red blood cells, releasing hemoglobin, is called ________.

Correct Answer
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Which of the following are included in steps for collection of a blood specimen?

Correct Answer
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When blood leaks out of the vein around the puncture site during venipuncture and collects under the skin, it forms a(n) ________.

Correct Answer
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The total volume of plasma and formed elements is called ________ blood.

Correct Answer
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Normal prothrombin time (PT) is ____.

Correct Answer
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A

Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?

Correct Answer
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Which of the following is most commonly used to cleanse the skin before drawing blood?

Correct Answer
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In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ____.

Correct Answer
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Correct Answer
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Which of the following is characteristic of lancets?

Correct Answer
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The insertion of a needle or cannula into a vein for the purpose of withdrawing blood is called ________.

Correct Answer
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A(n) ________ is a small, calibrated glass tube that holds a precise volume of fluid.

Correct Answer
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A blood test that measures creatine kinase (CK) can identify ____.

Correct Answer
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B

The clear, yellow liquid in which the formed elements of blood are suspended is called _______.

Correct Answer
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An erythrocyte (RBC) count is used to identify ____.

Correct Answer
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When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.

Correct Answer
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Which of the following would you include when preparing a venipuncture site?

Correct Answer
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Exam 49: Collecting, Processing, and Testing Blood Specimens

The normal range for potassium in the blood is ____.

Correct AnswerverifiedC

The rupturing of red blood cells, releasing hemoglobin, is called ________.

Correct AnswerverifiedShow Answer

Which of the following are included in steps for collection of a blood specimen?

Correct AnswerverifiedShow Answer

When blood leaks out of the vein around the puncture site during venipuncture and collects under the skin, it forms a(n) ________.

Correct AnswerverifiedShow Answer

The total volume of plasma and formed elements is called ________ blood.

Correct AnswerverifiedShow Answer

Normal prothrombin time (PT) is ____.

Correct AnswerverifiedA

Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?

Correct AnswerverifiedShow Answer

Which of the following is most commonly used to cleanse the skin before drawing blood?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In addition to using appropriate engineered safety devices, NIOSH recommends that health-care workers ____.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is characteristic of lancets?

Correct AnswerverifiedShow Answer

The insertion of a needle or cannula into a vein for the purpose of withdrawing blood is called ________.

Correct AnswerverifiedShow Answer

A(n) ________ is a small, calibrated glass tube that holds a precise volume of fluid.

Correct AnswerverifiedShow Answer

A blood test that measures creatine kinase (CK) can identify ____.

Correct AnswerverifiedB

The clear, yellow liquid in which the formed elements of blood are suspended is called _______.

Correct AnswerverifiedShow Answer

An erythrocyte (RBC) count is used to identify ____.

Correct AnswerverifiedShow Answer

When blood is centrifuged, the red layer below the buffy coat consists of ________ red blood cells.

Correct AnswerverifiedShow Answer

Which of the following would you include when preparing a venipuncture site?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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C

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A

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B

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