Unit 5 Test - Amy's Class

Question 1

If you cannot get the blood gas to the lab for 20 minutes, how should you handle that sample?

Answer 1

Place the syringe in ice water

Question 2

Correct angle for a radial ABG is:

Answer 2

45 degrees

Question 3

If you get a negative Allen test on a patient’s left side, what is the next proper step?

Answer 3

Perform the Allen test on the other side

Question 4

A positive Allen test assures capillary refill in:

Answer 4

15 seconds

Question 5

The most common needle gauge used for a radial puncture on an adult would be:

Answer 5

22

Question 6

The location of the preferred site for drawing a single arterial sample is:

Answer 6

Radial

Question 7

Following a routine ABG puncture, how long should pressure be held?

Answer 7

2-5 minutes

Question 8

Why would an arterial blood gas be cooled in ice?

Answer 8

Stop cellular metabolism

Question 9

T or F: It is important to do an Allen’s test for a brachial puncture

Answer 9

False

Question 10

The bevel of the needle should be ___ as it enters the skin

Answer 10

Up

Question 11

Which is the largest needle?

Answer 11

22 gauge (The smaller the number, the bigger the needle)

Question 12

Why should air bubbles be removed before running an ABG sample?

Answer 12

False decrease in PaCO2 and increase in PaO2

Question 13

T or F: Hematoma and possible spasm of the vessel are complications associated with ABG draws

Answer 13

True

Question 14

All of the following are reasons to wear gloves while doing an ABG puncture except:

Answer 14

Decrease the number of time the technician need to wash their hands

Question 15

The pH electrode is called

Answer 15

Sanz electrode

Question 16

The PCO2 electrode is called

Answer 16

Severinghaus electrode

Question 17

The PO2 electrode is called

Answer 17

Clark electrode

Question 18

T or F: A prothrombin time (PT) tells you clotting time

Answer 18

True

Question 19

T or F: Young patients or those with no known disease do not need to have an Allen test

Answer 19

False

Question 20

T or F: Heparin is an antibiotic

Answer 20

False

Question 21

Why do you perform an Allen test?

Answer 21

Check to see if collateral circulation exists

Question 22

What is normal PVCO2?

Answer 22

46 torr

Question 23

After obtaining an ABG, bleeding is still occurring, what should you do?

Answer 23

Apply pressure to the site longer

Question 24

A sample that remains un-iced will show a ___ in pH and a ___ in PaCO2. Why?

Answer 24

Decrease; increase; cellular metabolism has started

Question 25

T or F: Heparin, Coumadin, and aspirin are common anticoagulants

Answer 25

True

Question 26

Correct angle for a brachial ABG is ___ degrees

Answer 26

60

Question 27

Correct angle for a radial ABG is ___ degrees

Answer 27

45

Question 28

Correct angle for a femoral ABG is ____ degrees

Answer 28

90

Question 29

Why should a patient’s temperature be taken at the time of the ABG draw?

Answer 29

Temperature affects the oxyhemoglobin curve

Question 30

A sample can remain united for ___ min

Answer 30

10

Question 31

Explain how to perform an Allen’s test

Answer 31

Occlude the radial and ulnar arteries, have the patient make a fist, open hand, release the ulnar artery, hand should flush within 10-15 seconds

Question 32

List steps to performing an ABG