Arterial Blood Collection

Question 1

Not a routine duty for phlebotomists and is not for beginners

Answer 1

Arterial Puncture

Question 2

Arterial blood is primarily requested for evaluation of blood gases (oxygen and carbon dioxide). True or False

Answer 2

True

Question 3

Arterial blood is can be requested for the measurement of lactic acid and ammonia. True or False

Answer 3

True

Question 4

Arterial puncture training includes precautions taken to ensure a safe procedure, sample handling procedures to prevent alteration of test results, correct puncture technique, and supervised puncture performance. True or False

Answer 4

True

Question 5

Measures the ability of the lungs to provide oxygen to the blood and to remove carbon dioxide from the blood and exhale it.

Answer 5

ABG Test

Question 6

ABG Test is best done during the steady-state. True or False

Answer 6

True

Question 7

Arterial blood is collected and transported in specially prepared syringes. Specimens are introduced directly into blood gas analyzers from the collection using a syringe. True or False

Answer 7

True

Question 8

Arterial blood collection kits contain preanticoagulated syringes with hypodermic needles a safety shield and a tightly fitting cap for the Luer tip of the syringe after being removed. True or False

Answer 8

True

Question 9

For arterial puncture, CLSI recommended that syringes should be a glass with freely moving plungers and contain an appropriate anticoagulant. (Heparin is the anticoagulant of choice) True or False

Answer 9

False - plastic syringe

Question 10

Acceptable needles range from 16 to 20 gauge and are 5/8 to 1 1⁄2 inches long. True or False

Answer 10

False - 20 to 25

Question 11

When samples cannot be tested within 5 minutes, glass syringes must be used and should be lubricated and heparinized prior to use.

Answer 11

False - within 3 minutes

Question 12

A container of crushed ice helps in maintaining sample integrity. True or False

Answer 12

True

Question 13

Steady-state refers to refraining from doing exercise for at least 20 – 30 minutes before obtaining the sample. True or False

Answer 13

True

Question 14

To be acceptable as a puncture site, an artery must be small enough to accept at least a 25 gauge needle. True or False

Answer 14

False - large enough to accept at least a 25 gauge needle

Question 15

The artery is much preferred located near the skin surface so that deep puncture is not required. True or False

Answer 15

True

Question 16

What artery has these advantages:

• Good collateral circulation
• Easy to palpate
• Less chance of hematoma formation

Answer 16

Radial Artery

Question 17

What artery has these advantages:

• Large and relatively easy to palpate and puncture
• Sometimes the preferred artery for a large volume of blood
• Adequate collateral circulation

Answer 17

Brachial Artery

Question 18

The largest artery used, generally used for emergency and performed primarily by Physician

Answer 18

Femoral Artery

Question 19

Scalp and Umbilical arteries are can be used for infants. True or False

Answer 19

True

Question 20

Dorsalis pedis arteries are can be used as an alternative for adults. True or False

Answer 20

True

Question 21

Measures arterial competency, and should be performed before taking an arterial sample.

Answer 21

Modified Allen Test Procedure

Question 22

In assessing the results of the modified allen test, the hand should be flushes pink within 15 minutes. True or False

Answer 22

False - 15 seconds

Question 23

Administer anesthetic if necessary (numb the area with 1% epinephrine free lidocaine). True or False

Answer 23

True

Question 24

It is important to check the ulnar pulse after the puncture. True or False

Answer 24

False - radial pulse

Question 25

Sample integrity may be compromised if it fails to analyze the sample in a timely manner. True or False

Answer 25

True

Question 26

A temporary constriction of the artery CHOICES: Vasovagal response, Arteriospasm, HemorrhagE, Thrombus formation

Answer 26

Arteriospasm

Question 27

sudden loss of consciousness after the puncture

Answer 27

Vasovagal response

Question 28

Patients with coagulation disorder are prone to this

Answer 28

Hemorrhage

Question 29

Exposure of blood as little as 10 to 30 seconds can significantly alter the results of blood gases. True or False

Answer 29

True

Question 30

The arterial puncture site is more likely to bleed than a venipuncture site because of the higher blood pressure in the arteries. True or False

Answer 30

True

Question 31

The use of too much/too little heparin is a sampling error. True or False

Answer 31

True

Question 32

It doesn't need to remove the air bubbles. True or False

Answer 32

False - it needs to be removed since it will cause a sampling errror