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Phlebotomy > Test two > Flashcards

Test two Flashcards

1
Q

What is the proper blood-to additive ratio for a light-tube collected for a coagulation test?

A

9:1

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2
Q

Which needle gauge has the largest lumen?

A

18

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3
Q

The tests performed in the following department are typically collected in a tube with a light-blue stopper.

A

Coagulation

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4
Q

A tube with a green stopper normally contains….

A

Heparin.

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5
Q

The purpose of an antiglycolytic agent is to…

A

Preserve glucose

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6
Q

The solution normally used to clean the site before routine venipuncture is…

A

70% isopropanol

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7
Q

When nitrile or vinyl strap tourniquets become soiled with blood, it is best to…

A

Throw them away.

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8
Q

What is the most important factor in choosing which gauge needle to use for venipuncture?

A

Size and Condition of the vein

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9
Q

Which additive is usually present in a tube with a lavender stopper?

A

EDTA

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10
Q

Glass particles present in serum separator tubes….

A

enhance clotting.

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11
Q

Heparin prevents blood from clotting by….

A

inhibiting thrombin.

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12
Q 
Which of the following is classified as a disinfectant?
Benzalkonium chloride
Isopropanol
Povidone-iodine
Sodium hypochlorite
A

Sodium Hypochlorite

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13
Q

The slanted tip of the needle that enters the vein is called the

A

bevel.

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14
Q

According to CLSI standards, which of the tubes listed below is filled last when using a syringe?

A

EDTA

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15
Q

When using a winged infusion blood collection set, if the first tube is an additive tube, it is important to collect a few milliliters of blood into a nonadditive tube first to…..

A

maintain proper blood-to additive ratio.

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16
Q

A phlebotomist collects a light-blue top, lavender-top, and gray- top tube from an inpatient. Respectively, which of the following additives do the tubes most likely contain?

A

Citrate, EDTA, sodium fluoride

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17
Q

A rapid serum tube contains…..

A

Thrombin.

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18
Q

The tube additive that is responsible for the most carryover problems is …

A

ethylenediaminetetraacetic acid

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19
Q 
Which of the following substances is a biocide?
Hydrogen peroxide
Isopropyl alcohol
Povidone iodine
All of the options are correct.
A

All of the options are correct.

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20
Q

You must collect a routine hematology test, a coagulation test, and a STAT chemistry test. Which of the following are tubes you would most likely use, listed in the correct order of draw?

A

Light-blue top, Green-top, purple-top.

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21
Q

A request is given to draw a specimen from an inpatient by the name of John Doe. Which of the following is an acceptable way to confirm the patient’s identity?

A

Match the ID band and requisition with the patient’s verbal statement of ID.

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22
Q

The following tests have all been ordered at the same time on different inpatients. Only one phlebotomist is on duty. Which test should the phlebotomist collect first?

A

STAT electrolytes in the ER.

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23
Q

Doing which of the following during the vein selection process is bad for the specimen?

A

Allowing the patient to pump her fist.

24
Q

Using which of the following communication strategies before obtaining a blood specimen from a child demonstrates poor technique?

A

Telling the child it won’t hurt.

25
Q

The patient is just finishing a big breakfast as the phlebotomist arrives to draw a fasting specimen. What should be phlebotomist do?

A

Check with the patient’s nurse to see if the specimen should still be collected.

26
Q

What may happen if you mix a specimen too vigorously?

A

Hemolysis.

27
Q

Never leave a tourniquet on for more than….

A

one minute.

28
Q

How can you tell that you are in a vein when using a needle and a syringe ?

A

You will normally see blood appear in the hub or the needle

29
Q

What is the most critical error a phlebotomist can make?

A

Misidentifying a patient specimen.

30
Q

What is the best way for a newly trained phlebotomist to handle a venipuncture on a patient with needle phobia?

A

Ask an experienced phlebotomist to do the draw.

31
Q

What would be the system of choice to identify laboratory specimens from an unconscious, unidentified woman in the Emergency room?

A

Use a three-part identification band and labels.

32
Q 
The priority designation for a test request is based on all of the following EXCEPT...
Age and gender
diet restriction 
patient condition
timed collection
A

Age and gender

33
Q

A phlebotomist arrives to draw a specimen from an inpatient. The patient’s door is closed. What should the phlebotomist do ?

A

Knock softly, open it slowly, and ask permission to enter.

34
Q

The patient asks if the specimen about to drawn is for a diabetes test. How should the question be answered?

A

Say, “It’s best to discuss that with the doctor.”

35
Q

An unconscious patient is not wearing an ID band. There is an ID band taped to the patient’s IV pole with information that matches the requisition. What should the phlebotomist do?

A

Only draw the specimen after an ID band has been applied.

36
Q

Which of the following is the job of a student phlebotomist?

A

Letting the patient know that you are a student phlebotomist.

37
Q

An inpatient is sound asleep when the phlebotomist arrives to draw a blood specimen. What should the phlebotomist do?

A

Wake the patient gently to avoid a startle reaction.

38
Q

The first step in the testing process begins when the ….

A

test is ordered by the healthcare provider.

39
Q

If a venipuncture site is still bleeding after 5 minutes the phlebotomist should…

A

alert the patient’s nurse or other healthcare provider

40
Q

What is the recommended angle of needle insertion for an antecubital vein and a hand vein, respectively?

A

30 degrees or less, 10 degrees or less

41
Q

An elderly patient arrives at an outpatient clinic for a blood draw. He is accompanied by his daughter who mentions that he is hard of hearing. HOw should the phlebotomist proceed?

A

Speak distinctly in a normal tone of voice.

42
Q

A tourniquet used for venipuncture procedures should be…
applied 3 to 4 inches above the intended venipuncture
tight enough to slow venous flow but not affect arterial flow
snug or slightly tight, but not uncomfortable to the patient

A

All of the options are correct.

43
Q

A phlebotomist starts to perform a venipuncture. As the needle touches the skin, the patient moves his arm. The phlebotomist is startled and pulls the needle away from the arm. How should the phlebotomist proceed after apologizing to the patient?

A

Replace the needle, clean the site, warn the patient, and finish the draw.

44
Q

The phlebotomist has made two unsuccessful attempts to collect a fasting specimen from an outpatient. What should the phlebotomist do next?

A

Ask another phlebotomist to collect the specimen.

45
Q

An additive tube should be mixed…

A

as soon as it is removed from the holder.

46
Q

An insert synthetic substance that forms a physical barrier between the cells and serum or plasma of a specimen is known as _______.

A

gel

47
Q

A type of needle used to collect blood from small or difficult veins is known as _______.

A

butterfly

48
Q

A substance used to kill bacteria on surfaces and instruments is known as a _______.

A

disinfectant.

49
Q

Substances that provide increased surface for platelet activation are known as ___________.

A

Clot Activator

50
Q

Evacuated tubes fill with blood automatically because a _______ exists in the tube.

A

Vacuum

51
Q

The procedure of identifying a patient using the written requisition, arm band , and verbal confirmation is known as __________.

A

3 way ID

52
Q

Citrate prevents clotting by _______________>

A

binding calcium.

53
Q

The _____-gauge needle multisample needle is considered the standard needle for routine venipuncture

A

21

54
Q

A specimen that must be drawn immediately is called ________.

A

STAT

55
Q

Hospice is a type of care for patients who are ____________.

A

terminally ill.

Phlebotomy (6 decks)

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