Question 1

-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 2

The physician has asked you to draw blood from Peter, a 24-year-old patient, for routine pre-employment testing. As you begin explaining the process, Peter starts to look very uncomfortable. Although he pretends nothing is wrong, you soon discover that he is afraid of needles. Which of the following suggestions might you make to help Peter?

Accepted Answer

A)   "Take rapid, shallow breaths while I insert the needle in your arm."
B)   "Tense the muscles in your arm so it won't hurt as much."
C)   "See the magazine in the rack on the wall? Focus on that while I draw the blood."
D)   "This will be painful, but I know you are brave enough to get through it."
E)   "If you do not let me draw your blood, the company won't hire you."F) A) and C)
G) A) and B)

Question 3

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) B) and E)
G) D) and E)

Question 4

Which of the following is characteristic of capillary puncture?

Accepted Answer

A)   The blood is collected using a sterile needle and syringe.
B)   It is used on patients with small or fragile veins.
C)   The patient's non-dominant hand is used for this procedure.
D)   It releases a greater amount of blood, compared to venipuncture.
E)   The blood is collected into evacuated collection tubes.F) A) and B)
G) B) and D)

Question 5

Which tests require the use of a collection tube with a green stopper?

Accepted Answer

A)   Blood glucose tests
B)   Electrolyte studies
C)   Coagulation studies
D)   Blood cultures
E)   Hematology studiesF) A) and B)
G) C) and E)

Question 6

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 7

The vein used for venipuncture and represented by number 3 in the picture is the ________ vein.

Accepted Answer

The answer of The vein used for venipuncture and represented...

Question 8

Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?

Accepted Answer

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

Question 9

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) None of the above

Question 10

Blood tests for potassium and sodium identify ____.

Accepted Answer

A)   prostatic cancer
B)   hyperparathyroidism
C)   anemia
D)   fluid-electrolyte imbalances
E)   atherosclerosisF) B) and E)
G) All of the above

Question 11

The description of 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) A) and C)
G) A) and E)

Question 12

Which of the following blood tests is completed using a stained blood smear?

Accepted Answer

A)   WBC
B)   RBC
C)   Manual differential cell count
D)   Differential WBC
E)   Hematocrit determinationF) C) and E)
G) A) and E)

Question 13

A light blue-stoppered blood collection tube is selected for ________ studies.

Accepted Answer

The answer of A light blue-stoppered blood collection tube is...

Question 14

The study of the shape or form of objects is called ________.

Accepted Answer

The answer of The study of the shape or form...

Question 15

Which of the following is the liquid or fluid portion of the blood?

Accepted Answer

A)   Plasma
B)   Red blood cells
C)   White blood cells
D)   Platelets
E)   HemoglobinF) C) and E)
G) A) and B)

Exam 48: Collecting, Processing, and Testing Blood Specimens

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

Correct Answer
verified

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

Correct Answer
verified

Blood tests for potassium and sodium identify ____.

Correct Answer
verified

A light blue-stoppered blood collection tube is selected for ________ studies.

Correct Answer
verified

Which of the following is the liquid or fluid portion of the blood?

Correct Answer
verified

Normal prothrombin time (PT) is ____.

Correct Answer
verified

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

Correct Answer
verified

The description of whole blood is ____.

Correct Answer
verified

Correct Answer
verified

Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?

Correct Answer
verified

Which of the following is characteristic of capillary puncture?

Correct Answer
verified

Which tests require the use of a collection tube with a green stopper?

Correct Answer
verified

The study of the shape or form of objects is called ________.

Correct Answer
verified

The vein used for venipuncture and represented by number 3 in the picture is the ________ vein.

Correct Answer
verified

Which of the following blood tests is completed using a stained blood smear?

Correct Answer
verified

Exam 48: Collecting, Processing, and Testing Blood Specimens

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Blood tests for potassium and sodium identify ____.

Correct AnswerverifiedShow Answer

A light blue-stoppered blood collection tube is selected for ________ studies.

Correct AnswerverifiedShow Answer

Which of the following is the liquid or fluid portion of the blood?

Correct AnswerverifiedShow Answer

Normal prothrombin time (PT) is ____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The description of whole blood is ____.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?

Correct AnswerverifiedShow Answer

Which of the following is characteristic of capillary puncture?

Correct AnswerverifiedShow Answer

Which tests require the use of a collection tube with a green stopper?

Correct AnswerverifiedShow Answer

The study of the shape or form of objects is called ________.

Correct AnswerverifiedShow Answer

The vein used for venipuncture and represented by number 3 in the picture is the ________ vein.

Correct AnswerverifiedShow Answer

Which of the following blood tests is completed using a stained blood smear?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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