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HEAL 214 > Chapter 39 > Flashcards

Chapter 39 Flashcards

1
Q

When a blood pressure cuff is used as a tourniquet, the cuff should be maintained at what pressure ?

a. Slightly above the diastolic pressure	
b. Slightly below the diastolic pressure	
c. Slightly above the systolic pressure	
d. Slightly below the systolic pressure
A

b. Slightly below the diastolic pressure

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2
Q

Which of the following is the usual site for capillary puncture in adults?

a. Toe	
b. Heel	
c. Fingertip	
d. Earlobe
A

c. Fingertip

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3
Q

Which of the following best describes the purpose of additives?

a. All of the above	
b. Anticoagulant to prevent clotting	
c. Substance to accelerate the clotting process	
d. Chemical to help preserve blood
A

a. All of the above

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4
Q

Which of the following is the first step in performing a successful venipuncture?

a. Position the patient in a sitting position.	
b. Clean the site with an alcohol prep pad.	
c. Put the patient at ease.	
d. Use non-sterile disposable gloves.
A

c. Put the patient at ease.

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5
Q

The plasma and red blood cells are separated by what when using anticoagulated tubes?

a. Fibrinogen	
b. Buffy coat	
c. Serum	
d. Platelets
A

b. Buffy coat

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6
Q

Which of the following is the primary factory for the production of blood cells?

a. Bone marrow	
b. Spleen	
c. Lymph nodes	
d. Thymus
A

a. Bone marrow

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7
Q

Which of the following is the most appropriate action when using a phlebotomy tray?

a. Label with an approved biohazard symbol.	
b. Use to transport blood specimens only.	
c. Keep away from patient examination rooms.	
d. Keep covered with a sterile cover.
A

a. Label with an approved biohazard symbol.

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8
Q

What happens during the clotting process of blood?

a. Plasma degradation	
b. Buffy coat is formed	
c. Converts fibrinogen to fibrin	
d. Formation of plasma
A

c. Converts fibrinogen to fibrin

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9
Q

Which of the following best describes when a syringe is most often used for venipuncture?

a. When large blood samples are needed	
b. When multiple tubes are needed	
c. When collecting small amounts of blood from fragile veins	
d. When a patient has a good vein in the antecubital area
A

c. When collecting small amounts of blood from fragile veins

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10
Q

When using the safer plastic vacuum tubes, which of the following is the correct order of draw?

a. Cultures, blue top (citrate), red top and/or SST	
b. Cultures, red top and/or SST, blue top (citrate)	
c. Blue top (citrate), red top and/or SST, cultures
A

a. Cultures, blue top (citrate), red top and/or SST

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11
Q

Pressure to the site must be held longer than 2 to 3 minutes after a venipuncture is performed if the patient is taking which of the following?

a. Coumadin	
b. Aspirin	
c. Ginko biloba	
d. All of the above
A

d. All of the above

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12
Q

Which of the following is NOT included in the necessary information written on the specimen tube label?

a. Complete name of patient	
b. Address of patient	
c. Date and time specimen drawn	
d. Patient identification number
A

b. Address of patient

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13
Q

What is the gauge of needles most commonly used in venipuncture?

a. 18, 20, and 21	
b. 20, 21, and 22	
c. 20, 21, and 16	
d. 21, 22, and 23
A

b. 20, 21, and 22

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14
Q

Place the steps of blood clotting in correct sequence as it occurs.

  1. calcium utilized
  2. fibrinogen converts to fibrin
  3. clot forms
  4. prothrombin converts to thrombin
  5. uncoagulated blood
A

d. 3, 1, 5, 4, 2

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15
Q

Which of the following best describes the correct application of a tourniquet?

a. Apply 3 to 4 inches above the puncture site.	
b. Apply 3 to 4 inches below the puncture site.	
c. Leave on the arm no longer than 3 minutes.	
d. Apply to the upper arm at the level of the deltoid.
A

a. Apply 3 to 4 inches above the puncture site.

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16
Q

Which of the following is the usual site for capillary puncture in infants?

a. Toe	
b. Fingertip	
c. Heel	
d. Earlobe
A

c. Heel

17
Q

Which of the following is NOT a function of the blood?

a. Transport nutrients to all parts of the body	
b. Transport waste products to organs for elimination	
c. Transport oxygen to tissues	
d. Assist in food metabolism
A

d. Assist in food metabolism

18
Q

Which of the following is NOT a quality assurance control?

a. Specimen must be in correct anticoagulant.	
b. Specimens are in syringes with a needle still attached.	
c. Each specimen must have its own label attached to the specimen’s primary container.	
d. Patient label must have complete information.
A

b. Specimens are in syringes with a needle still attached.

19
Q

Which of the following is the recommended order for checking the best available vein site?

  1. back of the hand
  2. antecubital region of the arm
  3. back of the wrist
  4. ankle or foot
A

c. 2, 1, 3, 4,

20
Q

When performing a venipuncture, which vein is used the majority of the time?

a. Basilic	
b. Cephalic	
c. Radial	
d. Median cubital
A

d. Median cubital

21
Q

Which of the following best describes why OSHA requires safety needles be made available to employees?

a. Can only be used with specific guidelines	
b. Prevents on-the-job needle stick injuries	
c. Eliminates the need for biohazard waste containers	
d. Protects patients completely from accidental sticks
A

b. Prevents on-the-job needle stick injuries

22
Q

Which of the following is NOT an appropriate action when collecting a capillary blood sample?

a. Use the first drop of blood.	
b. Massage the finger gently.	
c. Use capillary tubes for collecting.	
d. Avoid squeezing the fingertip.
A

a. Use the first drop of blood.

23
Q

Which of the following is NOT the medical assistant’s role in phlebotomy?

a. Collect blood as efficiently as possible.	
b. Perform blood testing using automated equipment only.	
c. Provide high-quality care to patients.	
d. Performs tasks that are critical to patient’s diagnosis.
A

b. Perform blood testing using automated equipment only.

24
Q

Which of the following best describes an advantage of a soft rubber tourniquet?

a. Expensive but long lasting	
b. Hard and plastic	
c. Cannot be cleaned easily	
d. Inexpensive enough to replace often
A

d. Inexpensive enough to replace often

25
Q

Which of the following is a combination system that can be used with the syringe or the vacuum tube?

a. Hematology system	
b. Capillary puncture system	
c. Blood culture system	
d. Butterfly collection system
A

d. Butterfly collection system

26
Q

Which of the following is the appropriate action when palpating for a vein in the upper arm?

a. Always select a rolling vein.	
b. Palpate the vein with the tip of your index finger.	
c. Place the patient’s arm in an upward position.	
d. Palpate the vein with your thumb.
A

b. Palpate the vein with the tip of your index finger.

27
Q

Which of the following is NOT one of the arteries of the arm?

a. Brachial	
b. Ulnar	
c. Radial	
d. Femoral
A

d. Femoral

28
Q

Which of the following method(s) is used to perform a venipuncture?

a. Syringe method	
b. Vacuum tube method	
c. Butterfly method	
d. All of the above	
e. None of the above
A

d. All of the above

29
Q

When a blood sample cannot be obtained, which of the following should be done?

a. Try another tube.	
b. Advance the needle slightly.	
c. Withdraw the needle slightly.	
d. All the above.
A

d. All the above.

30
Q

Which of the following best describes the cause of hemolysis?

a. Inverting evacuation tubes gently	
b. Separating serum at the wrong time	
c. Puncturing the skin before allowing the alcohol to dry completely	
d. Using a needle that is too short
A

c. Puncturing the skin before allowing the alcohol to dry completely

31
Q

Which of the following best describes how a tube with anticoagulants is identified?

a. Size of the tube	
b. Test name on label	
c. Laboratory use	
d. Tube stopper color
A

d. Tube stopper color

32
Q

How many liters of blood does the body contain?

a. 6	
b. 8	
c. 10	
d. 3
A

a. 6

33
Q

Which of the following blood cells is responsible for the transport of oxygen and carbon dioxide?

a. Leukocytes	
b. Erythrocytes	
c. Lymphocytes	
d. Thrombocytes
A

b. Erythrocytes

34
Q

Which of the following is NOT a factor that can affect laboratory values?

a. Tourniquet on 1 minute or less	
b. Fasting	
c. Heparin	
d. Exercise
A

a. Tourniquet on 1 minute or less

35
Q

Which of the following is the most appropriate next step when a medical assistant attempts a venipuncture on an adult patient and cannot obtain a sample, and a second medical assistant is also unsuccessful?

a. Inform the physician of unsuccessful attempts.	
b. Get another medical assistant to attempt a draw.	
c. Schedule the patient to come back the next day.	
d. Explain the problem to the patient and try the other arm.
A

a. Inform the physician of unsuccessful attempts.

HEAL 214 (8 decks)

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