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Phlebotomy > Chapter 7-9 > Flashcards

Chapter 7-9 Flashcards

1
Q

When performing a venipuncture procedure, what position should the bevel of the needle be pointed at?

A

Bevel up

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2
Q

What should a phlebotomist do if the information on an inpatient’s ID bracelet is not identical to the information on the phlebotomy test requisition and labels?

A

Cannot draw the sample until ID issue is required

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3
Q

What should the phlebotomist tell the patient to make the vein become more prominent during initial step of venipuncture procedure?

A

Make a fist

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4
Q

After cleaning the venipuncture site with alcohol, the phlebotomist should?

A

Allow it to air dry on its own

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5
Q

While performing a venipuncture using a 10 ML to the vein suddenly collapsed. To prevent this the phlebotomist should?

A

Use the 5 ML evacuated tube

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6
Q

What tube is used for coagulation test?

A

Light blue

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7
Q

After drawing a six-year-old child on a bed with pushed down bed rails, the phlebotomist should do what?

A

Return the rail to the upright position

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8
Q

What tube contains no additive (plain)?

A

Red

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9
Q

This condition might happen after repeated venipuncture on the same vein?

A

Phlebitis

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10
Q

Give the proper order of draw in the given routine laboratory tests: CBC, cholesterol, triglycerides, glucose

A

Red, lavender, gray

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11
Q

After centrifuging a tube with anticoagulant, what substance will be forced at the bottom of the tube?

A

Red blood cells

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12
Q

Blood collection tubes are labeled when?

A

Immediately after specimen collection

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13
Q

If a patient adamantly refuses to have blood drawn, you should?

A

Notify the patient’s nurse or physician

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14
Q

When doing dermal stick procedure which blood collection should you do first?

A

Smear

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15
Q

When the patient’s arm is swollen with excess fluids, this condition is called what?

A

Edema

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16
Q

What is the additive in the gray tube?

A

Potassium oxalate

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17
Q

What will rise to the top of an unclotted blood sample?

A

Plasma

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18
Q

What is the purpose of the rubber sleeve end of the Vacutainer needle?

A

Prevents seepage of blood into the adapter (hub) to be able to draw multiple tubes

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19
Q

After an accidental needlestick, what should you do first?

A

Clean the area with alcohol/antibacterial soap immediately

20
Q

A winged infusion set is typically used for what?

A

Difficult and hand veins

21
Q

How many times may a needle be used before discarding it?

A

1

21
Q

How long should a tourniquet be left on the arm without changing any laboratory results?

A

60 seconds

23
Q

You are in the process of collecting a specimen by venipuncture. You hear a hissing sound and the blood flow stops. What has most likely happened?

A

The tube has lost its vacuum

24
Q

What is the initial step when performing a venipuncture procedure?

A

Identify the patient

25
Q

EDTA prevents coagulation by what ?

A

Binding calcium

26
Q

Tubes with gray stoppers are used for what?

A

Glucose tolerance test (GTT)

27
Q

At the middle of a venipuncture procedure, what should you do if the puncture site starts to swell?

A

Release the tourniquet, dispose needle and immediately apply pressure

28
Q

What causes evacuated tubes to fill with blood automatically?

A

Tube vacuum

29
Q

What is the action of sodium citrate additive when used in coagulation studies?

A

It binds to calcium to prevent the clotting process

30
Q

What laboratory test will be mostly affected if you failed to invert the tube properly?

A

CBC

31
Q

Which vein is often the only one that can be palpated in an obese patient?

A

Cephalic

32
Q

What tube should you use for serum createnine clearance test?

A

Red

33
Q

How do you cleanse the puncture site while doing a circular motion?

A

From the center to the periphery

34
Q

What is the most critical error a phlebotomist can make?

A

Misidentifying a patient specimen

35
Q

What type of alcohol is used for routine venipuncture?

A

70% isopropyl alcohol

36
Q

At what angle should a venipuncture needle penetrate the skin?

A

15 to 30 degrees

37
Q

When a lipid panel is ordered, what is required for the patient to do so that it can give better results for the physician to interpret?

A

Draw the blood after fasting for at least 10 hours

38
Q

An equipment created to provide access for dialysis and is a permanent fusion of artery and vein?

A

Fistula (arteriovenous shunt)

39
Q

An increase in the ratio of formed elements to plasma is called what?

A

Hemoconcentration

40
Q

Mass of blood that can be caused by blood leaking from a blood vessel during or following venipuncture

A

Hematoma

41
Q

While performing venipuncture you see a good flow of blood entering the first tube. What should you do next?

A

Tell patient to open his/her hand

42
Q

It is not a good idea to collect a CBC specimen from a screaming infant because what?

A

White blood count may be falsely elevated

43
Q

You have no choice but to draw a specimen from a site with hematoma. Where should you obtain the specimen?

A

Distal to the hematoma

44
Q

Tiny, non raised red spots that appear on the patient’s skin when tourniquet is applied

A

Petichiae

45
Q

What is the purpose of glass particles in the serum separator tubes?

A

Accelerate coagulation

Phlebotomy (3 decks)

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