When analyzing an ABG sample from a patient with acute respiratory distress syndrome and refractory hypoxemia, you notice a PaO2 of 141 mm Hg and a PaCO2 of 14 mm Hg. Which of the following analytic errors should you suspect?

A) excessive time since sample collection B) exposure of the blood sample to air C) excessive heparin in the sample D) sample admixture with venous blood A) excessive time since sample collection B) exposure of the blood sample to air C) excessive heparin in the sample D) sample admixture with venous blood

What is a normal level for CaO2?

A) 12 to 15 ml/100 ml B) 14 to 16 ml/100 ml C) 18 to 20 ml/100 ml D) 16 to 22 ml/100 ml A) 12 to 15 ml/100 ml B) 14 to 16 ml/100 ml C) 18 to 20 ml/100 ml D) 16 to 22 ml/100 ml

You are asked to provide continuous monitoring of the FIO2 provided by a humidified O2 delivery system using a galvanic cell analyzer. Where would you install the analyzer's sensor?

A) proximal to the heated humidifier B) on the expiratory side of the circuit C) distal to the heated humidifier D) as close to the patient as possible A) proximal to the heated humidifier B) on the expiratory side of the circuit C) distal to the heated humidifier D) as close to the patient as possible

Exam 18: Analysis and Monitoring of Gas Exchange

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Because of an extremely low PO₂, you suspect that an arterial blood sample taken from a patient's brachial artery might have been contaminated with venous blood. Which of the following might help to confirm your suspicion?

(Multiple Choice)

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Question 21

Which of the following is FALSE about the galvanic fuel cell O₂ analyzer?

(Multiple Choice)

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Question 22

When analyzing an ABG sample from a patient with acute respiratory distress syndrome and refractory hypoxemia, you notice a PaO₂ of 141 mm Hg and a PaCO₂ of 14 mm Hg. Which of the following analytic errors should you suspect?

(Multiple Choice)

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Question 23

During continuous monitoring of an active 5-year-old patient with a finger pulse oximetry probe, you obtain frequent and repeated false low HbO₂ alarms (less than 90%). Which of the following would be the best action to take in this situation?

(Multiple Choice)

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Question 24

All of the following are indications for capnography except:

(Multiple Choice)

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Question 25

Purposes of a needle-capping device include which of the following? I.to isolate the sample from air exposure II.to help prevent needlestick injuries III.to hold the excess anticoagulant

(Multiple Choice)

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Question 26

What is the appropriate interval for changing the site for a transcutaneous blood gas monitor sensor?

(Multiple Choice)

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Question 27

Factors contributing to bias (systematic) errors during blood gas analysis include all of the following except:

(Multiple Choice)

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Question 28

All of the following conditions make interpreting the results of a modified Allen test difficult except:

(Multiple Choice)

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Question 29

You determine that a blood gas sample that requires analysis has been sitting in an ice slush for 90 minutes. What should you do?

(Multiple Choice)

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Question 30

What is the most common source of error and false alarms with pulse oximetry?

(Multiple Choice)

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Question 31

For continuous monitoring of adults and children, you should set a pulse oximeter's low alarm in what range?

(Multiple Choice)

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Question 32

What is a normal level for CaO₂?

(Multiple Choice)

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Question 33

When conducting ABG analysis in the laboratory, obvious signs of preanalytical error include all of the following except:

(Multiple Choice)

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Question 34

Warming a capillary bed to 42° C has which of the following effects? I.It constricts the underlying blood vessels. II.It increases blood flow well above tissue needs. III.It "arterializes" the capillary blood.

(Multiple Choice)

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Question 35

Which of the following is NOT a use of capnometry?

(Multiple Choice)

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Question 36

Patient parameters that should be assessed as part of arterial blood sampling include all of the following except:

(Multiple Choice)

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Question 37

In which of the following patients would transcutaneous blood gas monitoring most likely provide inaccurate or erroneous results?

(Multiple Choice)

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Question 38

You are asked to provide continuous monitoring of the FIO₂ provided by a humidified O₂ delivery system using a galvanic cell analyzer. Where would you install the analyzer's sensor?

(Multiple Choice)

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Question 39

All of the following sites are used for arterial blood sampling by percutaneous needle puncture except:

(Multiple Choice)

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Question 40

Showing 21 - 40 of 125

Exam 18: Analysis and Monitoring of Gas Exchange

Because of an extremely low PO2, you suspect that an arterial blood sample taken from a patient's brachial artery might have been contaminated with venous blood. Which of the following might help to confirm your suspicion?

Which of the following is FALSE about the galvanic fuel cell O2 analyzer?

When analyzing an ABG sample from a patient with acute respiratory distress syndrome and refractory hypoxemia, you notice a PaO2 of 141 mm Hg and a PaCO2 of 14 mm Hg. Which of the following analytic errors should you suspect?

During continuous monitoring of an active 5-year-old patient with a finger pulse oximetry probe, you obtain frequent and repeated false low HbO2 alarms (less than 90%). Which of the following would be the best action to take in this situation?

All of the following are indications for capnography except:

Purposes of a needle-capping device include which of the following? I.to isolate the sample from air exposure II.to help prevent needlestick injuries III.to hold the excess anticoagulant

What is the appropriate interval for changing the site for a transcutaneous blood gas monitor sensor?

Factors contributing to bias (systematic) errors during blood gas analysis include all of the following except:

All of the following conditions make interpreting the results of a modified Allen test difficult except:

You determine that a blood gas sample that requires analysis has been sitting in an ice slush for 90 minutes. What should you do?

What is the most common source of error and false alarms with pulse oximetry?

For continuous monitoring of adults and children, you should set a pulse oximeter's low alarm in what range?

What is a normal level for CaO2?

When conducting ABG analysis in the laboratory, obvious signs of preanalytical error include all of the following except:

Warming a capillary bed to 42° C has which of the following effects? I.It constricts the underlying blood vessels. II.It increases blood flow well above tissue needs. III.It "arterializes" the capillary blood.

Which of the following is NOT a use of capnometry?

Patient parameters that should be assessed as part of arterial blood sampling include all of the following except:

In which of the following patients would transcutaneous blood gas monitoring most likely provide inaccurate or erroneous results?

You are asked to provide continuous monitoring of the FIO2 provided by a humidified O2 delivery system using a galvanic cell analyzer. Where would you install the analyzer's sensor?

All of the following sites are used for arterial blood sampling by percutaneous needle puncture except:

History of Respiratory Care

Quality and Evidence-Based Respiratory Care

Patient Safety, Communication, and Record Keeping

Principles of Infection Control

Ethical and Legal Implications of Practice

Physical Principles of Respiratory Care

Computer Applications in Respiratory Care

The Respiratory System

The Cardiovascular System

Ventilation

Gas Exchange and Transport

Solutions, Body Fluids, and Electrolytes

Acid-Base Balance

Regulation of Breathing

Bedside Assessment of the Patient

Interpretation of Clinical Laboratory Data

Interpreting the Electrocardiogram

Pulmonary Function Testing

A Review of Thoracic Imaging

Nutrition Assessment

Pulmonary Infections

Obstructive Lung Disease: Copd, Asthma, and Related Diseases

Interstitial Lung Disease

Pleural Diseases

Pulmonary Vascular Disease

Acute Lung Injury, Pulmonary Edema, and Multiple System Organ

Lung Cancer

Neuromuscular and Other Diseases of the Chest Wall

Disorders of Sleep

Neonatal and Pediatric Respiratory Disorders

Airway Pharmacology

Airway Management

Emergency Cardiovascular Life Support

Humidity and Bland Aerosol Therapy

Aerosol Drug Therapy

Storage and Delivery of Medical Gases

Medical Gas Therapy

Lung Expansion Therapy

Bronchial Hygiene Therapy

Respiratory Failure and the Need for Ventilatory Support

Mechanical Ventilators

Physiology of Ventilatory Support

Initiating and Adjusting Ventilatory Support

Noninvasive Positive Pressure Ventilation

Monitoring and Management of the Patient in the Intensive Care Unit

Discontinuing Ventilatory Support

Neonatal and Pediatric Respiratory Care

Patient Education and Health Promotion

Cardiopulmonary Rehabilitation

Respiratory Care in Alternative Settings

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Because of an extremely low PO₂, you suspect that an arterial blood sample taken from a patient's brachial artery might have been contaminated with venous blood. Which of the following might help to confirm your suspicion?

Which of the following is FALSE about the galvanic fuel cell O₂ analyzer?

When analyzing an ABG sample from a patient with acute respiratory distress syndrome and refractory hypoxemia, you notice a PaO₂ of 141 mm Hg and a PaCO₂ of 14 mm Hg. Which of the following analytic errors should you suspect?

During continuous monitoring of an active 5-year-old patient with a finger pulse oximetry probe, you obtain frequent and repeated false low HbO₂ alarms (less than 90%). Which of the following would be the best action to take in this situation?

What is a normal level for CaO₂?

You are asked to provide continuous monitoring of the FIO₂ provided by a humidified O₂ delivery system using a galvanic cell analyzer. Where would you install the analyzer's sensor?