Chapter 4 Flashcards

0
Q

When is a phlebotomist allowed to perform a venipuncture on an ankle vein?

A

Never

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1
Q

You notice a patient just finished breakfast when you arrive to collect the fasting blood glucose test what should you do

A

Inform the nurse right nonfasting on the label if the specimen still can be collected and label the requisition slip

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2
Q

The most important step in performing Mina puncture is

A

Identifying the patient

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3
Q

No Armanda’s present on an inpatient what should the phlebotomist do

A

Ask patients nurse to put an armband on the patient

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4
Q

The vein most frequently used for venipuncture is the

A

Median cubital

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5
Q

To produce a round drop of blood figure punctures should be made

A

Across the fingerprint

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6
Q

situations in which an arm should not be used

A

Iv is running both arms are burned both arms are edematous

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7
Q

When a patient develops syncope during a venipuncture the Phlebotomus should first

A

Remove the needle

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8
Q

When cleaning the site for venipuncture you should perform all of the following

A

Use alcohol allow alcohol to air dry rub alcohol pad in Con centric circles from inside out

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9
Q

In general what is the maximum number of times you should stick a patient

A

To

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10
Q

What is the effect of forming the site prior to dermal puncture

A

It increases blood flow to the area

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11
Q

The angle at which you enter the vein should be

A

Devil up at 15° angle

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12
Q

During a fingerstick collection excessive milking can cause

A

Contamination of the specimen with tissue fluid

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13
Q

During a venipuncture if the area surrounding the main begins to swell you should first

A

Remove the Tourniquet

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14
Q

Advancing the stopper of a collection to pass the mark or ridge on the adapter during equipment set up will

A

Cause a loss of the vacuum in the tube

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15
Q

According to guidelines the depth of a heel stick Lancette should be no more than

A

2.4 mm

16
Q

Why should the first drop of blood be wiped during a dermal puncture?

A

To remove any interstitial fluid contamination

17
Q

What is the most serious error a phlebotomist can make

A

Failure to identify a patient correctly

18
Q

What will happen if a tourniquet it is left on too long

A

Hemoconcentration

19
Q

Name the 12 steps for venipuncture

A
  1. introduce yourself
  2. Identify the patient
    3 explain procedure to the patient
    4 . wash hands and put on gloves
    5 . apply Tourniquet
    6 . select and clean me to puncture site 7 anchor vein eight insert needle into patient’s arm nine release tourniquet 10 remove two and mix 11 apply pressure to puncture site 12 label tubes