Question 1

If the modified Allen's test is negative on one hand what should the practitioner do at this time?

Accepted Answer

A)  Hold the patient's hand above the level of the heart for 30 to 60 seconds. 
B)  Release the pressure on the radial artery and determine if circulation returns. 
C)  Perform the modified Allen's test on the other hand. 
D)  Perform the arterial stick anyway because of the poor perfusion. 
A)  Hold the patient's hand above the level of the heart for 30 to 60 seconds. 
B)  Release the pressure on the radial artery and determine if circulation returns. 
C)  Perform the modified Allen's test on the other hand. 
D)  Perform the arterial stick anyway because of the poor perfusion. C

Question 2

Which of the following patient considerations for arterial blood gas sampling is NOT correct?

Accepted Answer

A)  It is important to assess if the patient is receiving the proper oxygen therapy before doing the puncture 
B)  Check the circulation proximal to the puncture site and for any bleeding at the site 20 to 30 minutes after the procedure. 
C)  It is important to check the patient's chart for a physician's order for anticoagulant therapy before arterial sampling. 
D)  A physician's order is required before performing this procedure. 
A)  It is important to assess if the patient is receiving the proper oxygen therapy before doing the puncture 
B)  Check the circulation proximal to the puncture site and for any bleeding at the site 20 to 30 minutes after the procedure. 
C)  It is important to check the patient's chart for a physician's order for anticoagulant therapy before arterial sampling. 
D)  A physician's order is required before performing this procedure. B

Question 3

A delay of more than 30 minutes in analyzing an arterial blood gas sample,even if it is iced,would have what effect on the blood gas values?

Accepted Answer

A)  Higher PO₂, higher PC0₂, lower pH 
B)  Lower PO₂, lower PC0₂, higher pH 
C)  Lower PO₂, higher PCO₂, higher pH 
D)  Lower PO₂, higher PCO₂, lower pH 
A)  Higher PO₂, higher PC0₂, lower pH 
B)  Lower PO₂, lower PC0₂, higher pH 
C)  Lower PO₂, higher PCO₂, higher pH 
D)  Lower PO₂, higher PCO₂, lower pH D

Question 4

Possible complications of arterial puncture at any site are vessel trauma and occlusion,embolization,infection,and vessel spasm.How could these be prevented?

Accepted Answer

Vessel trauma,occlusion,and embolization

Question 5

Which blood gas or hemoximetry value is used to assess a patient's ventilatory status?

Accepted Answer

A)  PaCO₂ 
B)  pH 
C)  PaO₂ 
D)  O₂Hb 
A)  PaCO₂ 
B)  pH 
C)  PaO₂ 
D)  O₂Hb

Question 6

Which of the following is a disadvantage of drawing blood from the radial artery?

Accepted Answer

A)  The small size of the artery 
B)  The presence of collateral circulation 
C)  There are no veins or nerves immediately adjacent to the artery. 
D)  It is close to the surface of the skin. 
A)  The small size of the artery 
B)  The presence of collateral circulation 
C)  There are no veins or nerves immediately adjacent to the artery. 
D)  It is close to the surface of the skin.

Question 7

Hyperventilation may lower the patient's ___________

Accepted Answer

A)  PaCO₂. 
B)  anxiety. 
C)  pH. 
D)  PaO₂. 
A)  PaCO₂. 
B)  anxiety. 
C)  pH. 
D)  PaO₂.

Question 8

How should the practitioner ensure that the arterial line's measured blood pressure is accurate?

Accepted Answer

Accurate blood pressures are assured thr

Question 9

A patient has an elevated leukocyte count.What precautions should be done for the sample?

Accepted Answer

A)  The sample needs to be properly anticoagulated. 
B)  No special precautions need to be taken with the sample. 
C)  Air bubbles need to be introduced into the sample. 
D)  The sample needs to by immediately chilled and analyzed. 
A)  The sample needs to be properly anticoagulated. 
B)  No special precautions need to be taken with the sample. 
C)  Air bubbles need to be introduced into the sample. 
D)  The sample needs to by immediately chilled and analyzed.

Question 10

If the brachial artery is damaged and circulation is stopped through the brachial artery,what could possibly happen to the patient?

Accepted Answer

A)  Damage to the median nerve 
B)  Collateral circulation could continue through the ulnar artery. 
C)  Loss of the arm 
D)  The vein could support circulation through the arm. 
A)  Damage to the median nerve 
B)  Collateral circulation could continue through the ulnar artery. 
C)  Loss of the arm 
D)  The vein could support circulation through the arm.

Question 11

Which of the following is NOT a hazard of an arterial puncture?

Accepted Answer

A)  Trauma and occlusion 
B)  Hypoventilation 
C)  Infection 
D)  Spasm 
A)  Trauma and occlusion 
B)  Hypoventilation 
C)  Infection 
D)  Spasm

Question 12

What should the practitioner teach the patient concerning an arterial line?

Accepted Answer

The patient should be taught the purpose

Question 13

If a blood gas sample cannot be analyzed immediately and the sample is not iced,how much time can elapse before blood gas samples will start to change due to further metabolism of the blood dramatically?

Accepted Answer

A)  5 minutes 
B)  15 minutes 
C)  25 minutes 
D)  35 minutes 
A)  5 minutes 
B)  15 minutes 
C)  25 minutes 
D)  35 minutes

Question 14

What are capillary blood gas values that most closely correlate with arterial blood gas values in the newborn patient?

Accepted Answer

A)  PaCO₂ 
B)  pH 
C)  PaO₂ 
D)  a and b 
A)  PaCO₂ 
B)  pH 
C)  PaO₂ 
D)  a and b

Question 15

Pressure should be held after arterial blood gas sampling for a minimum of _____________.

Accepted Answer

A)  5 minutes. 
B)  1 minute. 
C)  20 to 30 minutes. 
D)  15 minutes. 
A)  5 minutes. 
B)  1 minute. 
C)  20 to 30 minutes. 
D)  15 minutes.

Question 16

When an air bubble is present in a blood gas sample that was drawn on room air,what will happen to the PO₂ of the blood gas sample?

Accepted Answer

A)  The PO₂ will increase. 
B)  The PO₂ will decrease. 
C)  The PO₂ will not change. 
A)  The PO₂ will increase. 
B)  The PO₂ will decrease. 
C)  The PO₂ will not change.

Question 17

Which artery is located on the medial side of the antecubital fossa near the insertion of the biceps muscle at the radial tuberosity?

Accepted Answer

A)  Radial artery 
B)  Brachial artery 
C)  Femoral artery 
D)  Dorsalis pedis 
A)  Radial artery 
B)  Brachial artery 
C)  Femoral artery 
D)  Dorsalis pedis

Question 18

When an air bubble is present in a blood gas sample that was drawn on room air,what will happen to the PCO₂ of the blood gas sample?

Accepted Answer

A)  The PCO₂ will remain the same. 
B)  The PCO₂ will increase. 
C)  The PCO₂ will decrease. 
A)  The PCO₂ will remain the same. 
B)  The PCO₂ will increase. 
C)  The PCO₂ will decrease.

Question 19

A neonatal patient needs an arterial blood gas drawn to justify the need for oxygen,but arterial access is not available.What should done?

Accepted Answer

A)  The patient's PaO₂ should be estimated based on the patient's color. 
B)  A venous blood gas sample should be done and the PaO₂ calculated. 
C)  A capillary blood gas sample should be drawn. 
D)  The patient's vital signs should be assessed to justify the need for O₂. 
A)  The patient's PaO₂ should be estimated based on the patient's color. 
B)  A venous blood gas sample should be done and the PaO₂ calculated. 
C)  A capillary blood gas sample should be drawn. 
D)  The patient's vital signs should be assessed to justify the need for O₂.

Question 20

When performing the modified Allen's test,color should return in the hand within _____ seconds.

Accepted Answer

A)  5 seconds 
B)  10 seconds 
C)  15 seconds 
D)  20 seconds 
A)  5 seconds 
B)  10 seconds 
C)  15 seconds 
D)  20 seconds

Exam 8: Arterial Blood Gas Sampling

If the modified Allen's test is negative on one hand what should the practitioner do at this time?

Which of the following patient considerations for arterial blood gas sampling is NOT correct?

A delay of more than 30 minutes in analyzing an arterial blood gas sample,even if it is iced,would have what effect on the blood gas values?

Possible complications of arterial puncture at any site are vessel trauma and occlusion,embolization,infection,and vessel spasm.How could these be prevented?

Which blood gas or hemoximetry value is used to assess a patient's ventilatory status?

Which of the following is a disadvantage of drawing blood from the radial artery?

Hyperventilation may lower the patient's ___________

How should the practitioner ensure that the arterial line's measured blood pressure is accurate?

A patient has an elevated leukocyte count.What precautions should be done for the sample?

If the brachial artery is damaged and circulation is stopped through the brachial artery,what could possibly happen to the patient?

Which of the following is NOT a hazard of an arterial puncture?

What should the practitioner teach the patient concerning an arterial line?

If a blood gas sample cannot be analyzed immediately and the sample is not iced,how much time can elapse before blood gas samples will start to change due to further metabolism of the blood dramatically?

What are capillary blood gas values that most closely correlate with arterial blood gas values in the newborn patient?

Pressure should be held after arterial blood gas sampling for a minimum of _____________.

When an air bubble is present in a blood gas sample that was drawn on room air,what will happen to the PO₂ of the blood gas sample?

Which artery is located on the medial side of the antecubital fossa near the insertion of the biceps muscle at the radial tuberosity?

When an air bubble is present in a blood gas sample that was drawn on room air,what will happen to the PCO₂ of the blood gas sample?

A neonatal patient needs an arterial blood gas drawn to justify the need for oxygen,but arterial access is not available.What should done?

When performing the modified Allen's test,color should return in the hand within _____ seconds.

Basics of Asepsis

Basic Patient Assessment: Vital Signs and Breath Sounds

Advanced Patient Assessment: Inspection, Palpation, and Percussion

Radiologic Assessment

Pulmonary Function Testing

Electrocardiography

Phlebotomy

Hemodynamic Monitoring

Noninvasive Monitoring

Documentation and Goals Assessment

Oxygen Supply Systems

Oxygen Administration

Introduction to Respiratory Care Pharmacology

Humidity and Aerosol Therapy

Bronchial Hygiene Therapy

Hyperinflation Therapy

Bronchoscopy Assisting

Equipment Processing and Surveillance

Emergency Airway Management

Artificial Airway Care

Chest Tubes

Insertion and Maintenance of Intravenous Lines

Noninvasive Positive-Pressure Ventilation

Continuous Mechanical Ventilation

Advanced Modes of Mechanical Ventilation

Wave Form Analysis

Weaning and Discontinuance of Mechanical Ventilation

Neonatal Mechanical Ventilation

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