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Which of the following tests requires the use of a blood collection tube with a gray stopper?


A) Coagulation studies
B) Blood glucose tests
C) Viral studies
D) Arterial blood gases
E) Blood cultures

F) C) and D)
G) A) and C)

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A blood collection tube with a gold stopper contains a silicone serum separator and is used for studies requiring blood ________.

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Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?


A) Hemoglobin determination
B) Platelet count
C) Hematocrit determination
D) Differential white blood cell count
E) Red blood cell count

F) A) and C)
G) A) and B)

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The most common sites for venipuncture are the ____.


A) femoral and inguinal veins
B) median cubital and cephalic veins
C) great saphenous and superior vena cava veins
D) popliteal and posterior tibial veins
E) radial and ulnar veins

F) C) and E)
G) D) and E)

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After how many unsuccessful attempts at obtaining a good blood sample should you seek assistance from your supervisor or the doctor?


A) 1
B) 2
C) 3
D) 4
E) 5

F) A) and E)
G) All of the above

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A(n) ________ puncture is a superficial puncture of the skin with a sharp point, releasing a smaller amount of blood than venipuncture.

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Which of the following items forms the first line of defense during a phlebotomy procedure?


A) Face mask
B) Eye goggles
C) Laboratory coat
D) Gown
E) Gloves

F) C) and D)
G) A) and B)

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

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


A) Plasma
B) Red blood cells
C) White blood cells
D) Platelets
E) Hemoglobin

F) None of the above
G) All of the above

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Hemophilia is ____.


A) the rupturing of red blood cells, which releases hemoglobin that can cause kidney failure
B) the study of blood
C) a disorder in which the blood does not coagulate at a wound or puncture site
D) the insertion of a needle or cannula into a vein for the purpose of withdrawing blood
E) a disorder in which the blood is thicker than normal, resulting in slow collection times

F) D) and E)
G) A) and B)

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

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The normal sodium blood level is ____.


A) 3.5 to 5.1 mEq/L
B) 8.6 to 10.0 mEq/L
C) 136 to 145 mEq/L
D) 98 to 108 mEq/L
E) 21 to 28 mEq/L

F) C) and E)
G) B) and E)

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The normal blood calcium level is ____.


A) 8.6 to 10.0 mEq/L
B) 98 to 108 mEq/L
C) 136 to 145 mEq/L
D) 3.5 to 5.1 mEq/L
E) 27 to 29 mEq/L

F) A) and C)
G) A) and E)

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To make sure you identify the patient correctly prior to blood collection, you should ____.


A) call the patient by name
B) Ask the patient what labs she will be having done
C) ask the patient to tell you her name
D) ask the patient to state her home address
E) verify the patient's name with the doctor

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

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A(n) ________ is a calibrated glass tube that holds a small, precise volume of fluid and is used to collect capillary blood for some tests.

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