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PHL 103 > #3 > Flashcards

#3 Flashcards

1
Q

Leukocytes

A

Protect the body from infection

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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 test what color is it?

A

Lavender

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4
Q

Why is the pt #ID included on the specimen tube label?

A

To avoid confusing specimens form the pts with the same names

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5
Q

When selecting a venipuncture site how can you tell the vein from the 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 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 cells transport oxygen

A

Erythrocytes

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12
Q

Labeling a routine inpatient blood specimen should take place

A

At bedside immediately after draw

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13
Q

The most common PPE use 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 physician

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15
Q

What is the most common proper arm position for routine venipuncture

A

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

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16
Q

This set is indispensable tool for collecting blood from small or difficult veins such as a hand vein or veins of elderly/ pediatric pts?

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

30mins

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18
Q

When drawing blood from an elderly pt 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

A

Plunger

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20
Q

It’s 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?

A

Jaundice
Avoid light
Be at room temperature (amber tube)

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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

Test performed on plasma are

A

Anticoagulant( does not clot)
Blue
Lavender
Gray

24
Q

Older elderly pts are more prone to hematoma formation because

A

Their 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 needs to be inserted

A

Bevel up

28
Q

This term is defined as the insertion of the needle in a vein and its purpose is 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 sharps into containers

32
Q

Whole blood is

A

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

33
Q

If the inpt is not wearing an ID band when the phlebotomist comes to collect the specimen the phlebotomist should

A

Ask pt nurse to put ID band on the pt 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 vacutainer method in drawing according to CLIA

A

Order of draw
Blood culture
Light blue
Red
Gold
Light green
Green
Purple
Pink
Gray

36
Q

An aliquot is a

A

A portion of blood sample being tested

37
Q

The blood collection tube has no anticoagulant

A

Red tube

38
Q

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

A

As soon as you get blood flow

39
Q

How many inches should the 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

10-30

41
Q

As a phlebotomist is about to draw blood form or she touches the needle to the skin and changes her mind and then pulls away

A

Obtain a new needle

42
Q

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

A

Attached male hub and attached syringe on top insert tube and do not push down the tube will fill on its own

43
Q

Of the following tubes, which should be eliminated for use in collecting blood banks 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

What tube is used to collect glucose

A

Gray

48
Q

What tube do you draw a complete blood count (CBC) ? Pro time? kidney function?

A

Lavender
Light blue
Green/ Chemistry

49
Q

Which needle has the smallest diameter?

A

23 gauge
The bigger the gauge the small the needle

50
Q

This test identifies risk for coronary disease?

A

Total Cholesterol

51
Q

Why should the phlebotomist visually inspect the needle tip before inserting into the patient 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

A SST (speckle red/black)

53
Q

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

A

Adhesive bandages

54
Q

A pro time, prothrombin and platelet count are ordered on an 80year old patient 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 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 patient is still bleeding 10 minutes after checking the site

A

Notify the nurse or contact physician

PHL 103 (1 decks)

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