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PHL 103 > PHL 103 FINAL > Flashcards

PHL 103 FINAL Flashcards

1
Q

What is the function of leukocytes?

A

Protects the body against infections

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2
Q

A protein that contains iron and is a main component of the erythrocytes?

A

Hemoglobin

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3
Q

The color code that is most often associated with tubes used to collect hematology tests, what color is it?

A

Lavender

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4
Q

Why is the patients # ID included in the specimen tube label?

A

To avoid confusing specimens from the patients with the same name

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5
Q

When selecting a venipuncture site, how can you tell the difference between a vein and artery?

A

Pulse

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6
Q

What is the best practice if the vein can be felt but not seen even with the tourniquet on?

A

Look for visual clues on the skin

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7
Q

How many times should you mix the non-additive tubes ?

A

Zero

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8
Q

Identify the term that means damage or destruction of RBCs?

A

Hemolysis

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9
Q

What is the maximum amount of time that a tourniquet can be left on the arm in order to minimize hemoconcentration and erroneous results?

A

1 minute

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10
Q

The term “ phlebotomy” is derived from the Greek language and its meaning is?

A

Vein

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11
Q

Which cell transports oxygen?

A

Erythrocytes

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12
Q

Labeling a routine inpatient blood specimen should take place?

A

At bedside immediately after drawing in front of patient.

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13
Q

The most common PPE used for routine phlebotomy procedures is?

A

Gloves

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14
Q

If the phlebotomist is unable to obtain a blood specimen for any reason, the usual protocol is to..?

A

Chart it, time it & contact the physician

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15
Q

What is the most common proper arm position for routine venipuncture?

A

Straight from the shoulder to the wrist in a downward position with the palm up

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16
Q

This set is an indispensable tool for collecting blood from small or difficult veins, such as hand veins or veins of elderly/pediatric patients?

A

Butterfly/wing infused set

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17
Q

Approximately how long does it normally take for serum specimens to completely clot at room temperature?

A

30-60 minutes

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18
Q

When drawing blood from an elderly patient, you should?

A

Recognize possible changes in the skin

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19
Q

2 parts of the syringe include the gradual barrel and what else?

A

Plunger

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20
Q

It is important to mix anticoagulant tubes immediately after filling them because?

A

it avoids microclots

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21
Q

A bilirubin sample is used to detect what?

A

Jaundice
(keep amber tube out of light & at room temp.)

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22
Q

The liquid or fluid portion of anticoagulant blood is known as?

A

Plasma

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23
Q

Tests performed on plasma are ?

A

Anticoagulants (don’t clot)
Tubes: blues, lavender, & gray

24
Q

Older elderly patients are more prone to hematoma formation because?

A

There veins have decreased elasticity

25
Q

The most important step in specimen collection is?

A

Identifying the patient

26
Q

What are the 3 parts of the needle?

A

Bevel, shaft, & hub

27
Q

When performing venipuncture the needle is insert…?

A

Bevel up

28
Q

This term is defined as the insertion of a needle in a vein and its purposes to draw blood?

A

Phlebotomy

29
Q

Which of the following is generally used to cleanse the skin for routine venipuncture?

A

70% alcohol

30
Q

What is the most important consideration when drawing blood from an older child?

A

Open line of communication

31
Q

According to OSHA, what does proper needle disposal involve?

A

Throwing all into sharps container

32
Q

Whole blood is…?

A

Total volume of plasma and formed elements together unspun and not clotted together

33
Q

If an inpatient is not wearing an ID band when the phlebotomist comes to collect the specimen, the phlebotomist should?

A

Ask patients nurse to put an ID band on the patient before drawing the specimen

34
Q

Where is the tourniquet placed when drawing a hand vein?

A

Proximal to the wrist bone

35
Q

Identify which tube sequence is listed in the correct order for the rescuer method and drawing blood according to CLIA?

A

order of draw
Blood cultures, light blue, red, gold, light, green, dark green, purple, pink, gray, and royal blue

36
Q

An aliquot is a…

A

A portion of the blood sample being tested

37
Q

The blood collection tube has no anticoagulants

A

Red tube

38
Q

According to CLSI guidelines, when is the best time to release a tourniquet during venipuncture?

A

As soon as you get blood flow

39
Q

How many inches should a tourniquet be applied above the intended venipuncture site?

A

3-4 inches

40
Q

What’s the best angle for needle insertion during routine venipuncture?

A

10 to 30 degrees

41
Q

As a phlebotomist is about to draw blood from a patient, she touches the needle to the skin changes her mind and then pulls the needle away. What should be done next?

A

Obtain a new needle

42
Q

What is the proper technique for transferring blood from a syringe to an evacuated tube?

A

Using a transfer syringe

43
Q

Of the following tubes, which should be eliminated for use in collecting blood bank specimens?

A

Large gel barrier tubes

44
Q

Increase blood glucose is called…?

A

Hyperglycemia

45
Q

A light green tube contains what additive ?

A

Lithium Heparin

46
Q

When performing venipuncture, hand washing is necessary when?

A

Before and after

47
Q

Which gauge has the smallest diameter ?

A

23

48
Q

What color tube is used to test glucose?

A

Gray
(oxolate)

49
Q

What tube do you draw a CBC in (complete blood count)?

A

Lavender
protime( light blue)
kidney function (green/chem)

50
Q

This test identifies risk for coronary artery disease…

A

Total Cholesterol

51
Q

Why should the phlebotomist visually inspect the needle tip before inserting into the patients vein?

A

To check the needle point for imperfections that might damage the patients vein

52
Q

A serum specimen is requested, what evacuated tube can be used to collect it?

A

SST (speckled red/black)

53
Q

CILA advises against using these on infants and children under 2 years old?

A

Adhesive tape

54
Q

A protime, prothrombin & platelet count are ordered on an 80 year female old pt, decided to use a butterfly and short draw, evacuated tubes on a tiny cephalic vein on the dorsal side of her right arm. The phlebotomist collects one light blue tube and one lavender tube. Why would you suspect the PT test results might be incorrect and the platelet count unaffected?

A

No tube was used to remove air from the butterfly tubing

55
Q

What should be done if a pt is still bleeding 10 mins after checking the site?

A

Notify the nurse or contact the physician

PHL 103 (1 decks)

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