Question 1

Which of the following is important when drawing blood from an elderly patient?

Accepted Answer

A)   Do not apply pressure after removing the needle
B)   Wiggle the needle to position it precisely in the vein
C)   Have the patient bend her elbow after removing the needle
D)   Avoid using a butterfly collection device
E)   Have the patient elevate her arm after removing the needleF) A) and C)
G) B) and D)

Question 2

The hemoglobin A1c test reflects blood glucose levels over what period of time?

Accepted Answer

A)   1 year
B)   6 months
C)   3 months
D)   1 month
E)   2 weeksF) A) and C)
G) C) and E)

Question 3

A blood collection tube with a lavender stopper is selected for ________ studies.

Accepted Answer

The answer of A blood collection tube with a lavender...

Question 4

A blood collection tube with a yellow stopper is used to obtain blood ________.

Accepted Answer

The answer of A blood collection tube with a yellow...

Question 5

Enzyme-linked immunosorbent assay (ELISA)  and Western blot tests are used to confirm which of the following diagnoses?

Accepted Answer

A)   Diabetes mellitus
B)   HIV infection
C)   Gout
D)   Coronary artery disease
E)   AnemiaF) None of the above
G) A) and D)

Question 6

After explaining the process, you are drawing blood on 82-year-old Mrs. Green using an evacuated tube system. As you insert the third tube into the holder, the Mrs. Green begins to cry. You ask if she is in pain and she says, "No, but I am so scared! Why do they need this much blood? I must have a terrible disease!" Which of the following is your best response?

Accepted Answer

A)   "If you have a terrible disease, wouldn't you rather know about it?"
B)   "We don't really need this much blood-we always draw a couple of extra tubes."
C)   "Drawing blood does not necessarily mean you are ill; blood tests are one of the best ways to get an overall picture of your health."
D)   "I am drawing several tubes of blood because, at your age, there are many different tests that we have to run."
E)   "Don't worry; I'm sure everything will be fine."F) A) and E)
G) A) and C)

Question 7

The red blood cells, white blood cells, and platelets are known as the ____.

Accepted Answer

A)   whole blood
B)   serum
C)   monocyte
D)   formed elements
E)   hemoglobinF) C) and D)
G) A) and E)

Question 8

The red blood cells, white blood cells, and platelets are known as the ________ elements in a blood sample.

Accepted Answer

The answer of The red blood cells, white blood cells,...

Question 9

The gel-like barrier between the serum and the clot in a coagulated blood sample is formed by a serum ________.

Accepted Answer

The answer of The gel-like barrier between the serum and...

Question 10

When blood is centrifuged, the heavier red blood cells move to one end of the tube, lighter plasma moves to the other end, and the ________ ________ that contains the white blood cells and platelets is between the two.

Accepted Answer

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

Question 11

Whole blood is ____.

Accepted Answer

A)   the clear, yellow liquid that remains after a blood clot forms
B)   the total volume of plasma and formed elements
C)   the main component of erythrocytes
D)   the rupturing of red blood cells
E)   the buffy coat in centrifuged bloodF) D) and E)
G) B) and C)

Question 12

A vein commonly used for venipuncture and indicated by number 2 in the figure is the ________ vein.

Accepted Answer

The answer of A vein commonly used for venipuncture and...

Question 13

Which of the following refers to the study of the shape or form of objects?

Accepted Answer

A)   Phagocytosis
B)   Morphology
C)   Coagulation
D)   Phlebotomy
E)   DifferentialF) C) and E)
G) D) and E)

Question 14

The addition of a(n) ________ to a blood collection tube causes the blood to remain in a liquid state.

Accepted Answer

The answer of The addition of a(n) ________ to a...

Question 15

A small, disposable instrument with a sharp point used to puncture the skin and make a shallow incision is called a(n) ________.

Accepted Answer

The answer of A small, disposable instrument with a sharp...

Question 16

A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.

Accepted Answer

The answer of A blood collection tube with a gray...

Question 17

Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?

Accepted Answer

A)   Red
B)   Blue
C)   Red/black
D)   Gray
E)   GreenF) None of the above
G) B) and D)

Question 18

Which of the following is used in the capillary puncture technique?

Accepted Answer

A)   Lancet
B)   Retracting needle
C)   Syringe
D)   Evacuation tube
E)   Butterfly needleF) B) and E)
G) D) and E)

Question 19

Which of the following would you include when performing venipuncture using an evacuation system?

Accepted Answer

A)   Bunch up the patient's skin above and below the insertion site
B)   Insert the needle at a 45º angle with the bevel side down
C)   Penetrate the vein wall to a depth of 1/4 to 1/2 inch
D)   Leave the tourniquet on until after you withdraw the needle from the vein
E)   Be careful not to invert collection tubes that have additives in themF) C) and D)
G) A) and C)

Question 20

In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?

Accepted Answer

A)   Povidone-iodine
B)   Hibiclens
C)   Soap and water
D)   Hydrogen peroxide
E)   Sodium chlorideF) A) and E)
G) B) and D)

Exam 49: Collecting, Processing, and Testing Blood Specimens

The gel-like barrier between the serum and the clot in a coagulated blood sample is formed by a serum ________.

Correct Answer
verified

Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?

Correct Answer
verified

Which of the following refers to the study of the shape or form of objects?

Correct Answer
verified

When blood is centrifuged, the heavier red blood cells move to one end of the tube, lighter plasma moves to the other end, and the that contains the white blood cells and platelets is between the two.

Correct Answer
verified

A vein commonly used for venipuncture and indicated by number 2 in the figure is the ________ vein.

Correct Answer
verified

A small, disposable instrument with a sharp point used to puncture the skin and make a shallow incision is called a(n) ________.

Correct Answer
verified

The hemoglobin A1c test reflects blood glucose levels over what period of time?

Correct Answer
verified

A blood collection tube with a yellow stopper is used to obtain blood ________.

Correct Answer
verified

Which of the following is important when drawing blood from an elderly patient?

Correct Answer
verified

In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?

Correct Answer
verified

Correct Answer
verified

The red blood cells, white blood cells, and platelets are known as the ____.

Correct Answer
verified

A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.

Correct Answer
verified

The addition of a(n) ________ to a blood collection tube causes the blood to remain in a liquid state.

Correct Answer
verified

A blood collection tube with a lavender stopper is selected for ________ studies.

Correct Answer
verified

Whole blood is ____.

Correct Answer
verified

Which of the following is used in the capillary puncture technique?

Correct Answer
verified

Which of the following would you include when performing venipuncture using an evacuation system?

Correct Answer
verified

The red blood cells, white blood cells, and platelets are known as the ________ elements in a blood sample.

Correct Answer
verified

Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?

Correct Answer
verified

Exam 49: Collecting, Processing, and Testing Blood Specimens

The gel-like barrier between the serum and the clot in a coagulated blood sample is formed by a serum ________.

Correct AnswerverifiedShow Answer

Enzyme-linked immunosorbent assay (ELISA) and Western blot tests are used to confirm which of the following diagnoses?

Correct AnswerverifiedShow Answer

Which of the following refers to the study of the shape or form of objects?

Correct AnswerverifiedShow Answer

When blood is centrifuged, the heavier red blood cells move to one end of the tube, lighter plasma moves to the other end, and the ________ ________ that contains the white blood cells and platelets is between the two.

Correct AnswerverifiedShow Answer

A vein commonly used for venipuncture and indicated by number 2 in the figure is the ________ vein.

Correct AnswerverifiedShow Answer

A small, disposable instrument with a sharp point used to puncture the skin and make a shallow incision is called a(n) ________.

Correct AnswerverifiedShow Answer

The hemoglobin A1c test reflects blood glucose levels over what period of time?

Correct AnswerverifiedShow Answer

A blood collection tube with a yellow stopper is used to obtain blood ________.

Correct AnswerverifiedShow Answer

Which of the following is important when drawing blood from an elderly patient?

Correct AnswerverifiedShow Answer

In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The red blood cells, white blood cells, and platelets are known as the ____.

Correct AnswerverifiedShow Answer

A blood collection tube with a gray stopper is used to obtain blood for a blood ________ test.

Correct AnswerverifiedShow Answer

The addition of a(n) ________ to a blood collection tube causes the blood to remain in a liquid state.

Correct AnswerverifiedShow Answer

A blood collection tube with a lavender stopper is selected for ________ studies.

Correct AnswerverifiedShow Answer

Whole blood is ____.

Correct AnswerverifiedShow Answer

Which of the following is used in the capillary puncture technique?

Correct AnswerverifiedShow Answer

Which of the following would you include when performing venipuncture using an evacuation system?

Correct AnswerverifiedShow Answer

The red blood cells, white blood cells, and platelets are known as the ________ elements in a blood sample.

Correct AnswerverifiedShow Answer

Blood chemistries and HIV/AIDS antibody tests must be performed with a collection tube with what color stopper?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

When blood is centrifuged, the heavier red blood cells move to one end of the tube, lighter plasma moves to the other end, and the that contains the white blood cells and platelets is between the two.

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
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified