Question 1

What is the optimal PEEP level given the following information?

Accepted Answer

A)  8 cm H2O 
B)  10 cm H2O 
C)  12 cm H2O 
D)  15 cm H2O 
A)  8 cm H2O 
B)  10 cm H2O 
C)  12 cm H2O 
D)  15 cm H2O

Question 2

During mechanical ventilation of a patient with CHF,the PaO2 = 38 mm Hg and the FIO2 = 0.6.If the desired PaO2 is 60 mm Hg,the FIO2 needs to be changed to which of the following?

Accepted Answer

A)  0.65 
B)  0.75 
C)  0.85 
D)  0.95 
A)  0.65 
B)  0.75 
C)  0.85 
D)  0.95

Question 3

The "sigmoid" shape of the static pressure-volume lung recruitment maneuver indicates which of the following?

Accepted Answer

A)  All parts of the lungs open with the same pressure. 
B)  Independent portions of the lungs open with the same pressure. 
C)  Dependent portions of the lungs open with different pressures. 
D)  Lung units open at different times with different pressures 
A)  All parts of the lungs open with the same pressure. 
B)  Independent portions of the lungs open with the same pressure. 
C)  Dependent portions of the lungs open with different pressures. 
D)  Lung units open at different times with different pressures

Question 4

Calculate the pulmonary shunt fraction for a patient with the following data: CAO2 = 17 vols%;CaO2 = 16.5 vols %;   = 11 vols%.

Accepted Answer

A)  8% 
B)  15% 
C)  30% 
D)  37% 
A)  8% 
B)  15% 
C)  30% 
D)  37%

Question 5

Calculate the pulmonary shunt fraction using the following data: Pb = 757 mm Hg;hemoglobin (Hb)= 11g/dL;FIO2 = 0.5;PaO2 = 86 mm Hg;PaCO2 = 40 mm Hg;SaO2 = 91%;   = 40 mm Hg;   = 71%;respiratory exchange quotient (R)= 0.8.

Accepted Answer

A)  19% 
B)  23% 
C)  26% 
D)  32% 
A)  19% 
B)  23% 
C)  26% 
D)  32%

Question 6

During a patient case study,increasing increments of PEEP showed no significant effects until 15 cm H2O was used,at which time the PaO2 improved markedly.This represents the point at which _______________.

Accepted Answer

A)  cardiac output decreased 
B)  airway resistance decreased 
C)  hemoglobin saturation improved 
D)  alveolar recruitment probably occurred 
A)  cardiac output decreased 
B)  airway resistance decreased 
C)  hemoglobin saturation improved 
D)  alveolar recruitment probably occurred

Question 7

Patients with which of the following clinical disorders may benefit from PEEP?

Accepted Answer

A)  COPD 
B)  Asthma 
C)  ARDS 
D)  Cystic fibrosis 
A)  COPD 
B)  Asthma 
C)  ARDS 
D)  Cystic fibrosis

Question 8

PEEP therapy is indicated for patients with which of the following?

Accepted Answer

A)  PaO2 of 95 mm Hg while receiving an FIO2 of 0.3 
B)  PaO2 of 100 mm Hg while receiving an FIO2 of 0.8 
C)  Returned VT of 600 mL with a Pplateau of 12 cm H2O 
D)  Returned VT of 800 mL with a Pplateau of 15 cm H2O 
A)  PaO2 of 95 mm Hg while receiving an FIO2 of 0.3 
B)  PaO2 of 100 mm Hg while receiving an FIO2 of 0.8 
C)  Returned VT of 600 mL with a Pplateau of 12 cm H2O 
D)  Returned VT of 800 mL with a Pplateau of 15 cm H2O

Question 9

The patient with which of the following assessment findings meets the criteria for beginning weaning from PEEP?

Accepted Answer

A)  PaO2 = 85 mm Hg;FIO2 = 0.6;Cs = 20 mL/cm H2O;PEEP = 12 cm H2O 
B)  PaO2 = 100 mm Hg;FIO2 = 0.9;Cs = 22 mL/cm H2O;PEEP = 10 cm H2O 
C)  PaO2 = 150 mm Hg;FIO2 = 0.7;Cs = 25 mL/cm H2O;PEEP = 12 cm H2O 
D)  PaO2 = 95 mm Hg;FIO2 = 0.3;Cs = 30 mL/cm H2O;PEEP = 15 cm H2O 
A)  PaO2 = 85 mm Hg;FIO2 = 0.6;Cs = 20 mL/cm H2O;PEEP = 12 cm H2O 
B)  PaO2 = 100 mm Hg;FIO2 = 0.9;Cs = 22 mL/cm H2O;PEEP = 10 cm H2O 
C)  PaO2 = 150 mm Hg;FIO2 = 0.7;Cs = 25 mL/cm H2O;PEEP = 12 cm H2O 
D)  PaO2 = 95 mm Hg;FIO2 = 0.3;Cs = 30 mL/cm H2O;PEEP = 15 cm H2O

Question 10

The most appropriate PEEP level (optimum PEEP)for the patient whose information is in the table below is which of the following?

Accepted Answer

A)  10 cm H2O 
B)  12 cm H2O 
C)  15 cm H2O 
D)  18 cm H2O 
A)  10 cm H2O 
B)  12 cm H2O 
C)  15 cm H2O 
D)  18 cm H2O

What is the optimal PEEP level given the following information?

During mechanical ventilation of a patient with CHF,the PaO₂ = 38 mm Hg and the F_IO₂ = 0.6.If the desired PaO₂ is 60 mm Hg,the F_IO₂ needs to be changed to which of the following?

The "sigmoid" shape of the static pressure-volume lung recruitment maneuver indicates which of the following?

Calculate the pulmonary shunt fraction for a patient with the following data: C_AO₂ = 17 vols%;CaO₂ = 16.5 vols %; $Calculate the pulmonary shunt fraction for a patient with the following data: C<sub>A</sub>O<sub>2</sub> = 17 vols%;CaO<sub>2</sub> = 16.5 vols %; = 11 vols%.$ = 11 vols%.

During a patient case study,increasing increments of PEEP showed no significant effects until 15 cm H₂O was used,at which time the PaO₂ improved markedly.This represents the point at which _______________.

Patients with which of the following clinical disorders may benefit from PEEP?

PEEP therapy is indicated for patients with which of the following?

The patient with which of the following assessment findings meets the criteria for beginning weaning from PEEP?

The most appropriate PEEP level (optimum PEEP)for the patient whose information is in the table below is which of the following?

Basic Terms and Concepts of Mechanical Ventilation

How Ventilators Work

How a Breath Is Delivered

Establishing the Need for Mechanical Ventilation

Selecting the Ventilator and the Mode

Initial Ventilator Settings

Final Considerations in Ventilator Setup

Initial Patient Assessment

Ventilator Graphics

Assessment of Respiratory Function

Hemodynamic Monitoring

Methods to Improve Ventilation in Patient-Ventilator Management

Ventilator-Associated Pneumonia

Sedatives,Analgesics,and Paralytics

Extrapulmonary Effects of Mechanical Ventilation

Effects of Positive Pressure Ventilation on the Pulmonary System

Troubleshooting and Problem Solving

Basic Concepts of Noninvasive Positive Pressure Ventilation

Discontinuation and Weaning From Mechanical Ventilation

Long Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

Exam 13: Improving Oxygenation and Management of Ards

What is the optimal PEEP level given the following information?

During mechanical ventilation of a patient with CHF,the PaO2 = 38 mm Hg and the FIO2 = 0.6.If the desired PaO2 is 60 mm Hg,the FIO2 needs to be changed to which of the following?

The "sigmoid" shape of the static pressure-volume lung recruitment maneuver indicates which of the following?

Calculate the pulmonary shunt fraction for a patient with the following data: CAO2 = 17 vols%;CaO2 = 16.5 vols %; = 11 vols%.

Calculate the pulmonary shunt fraction using the following data: Pb = 757 mm Hg;hemoglobin (Hb)= 11g/dL;FIO2 = 0.5;PaO2 = 86 mm Hg;PaCO2 = 40 mm Hg;SaO2 = 91%; = 40 mm Hg; = 71%;respiratory exchange quotient (R)= 0.8.

During a patient case study,increasing increments of PEEP showed no significant effects until 15 cm H2O was used,at which time the PaO2 improved markedly.This represents the point at which _______________.

Patients with which of the following clinical disorders may benefit from PEEP?

PEEP therapy is indicated for patients with which of the following?

The patient with which of the following assessment findings meets the criteria for beginning weaning from PEEP?

The most appropriate PEEP level (optimum PEEP)for the patient whose information is in the table below is which of the following?

Basic Terms and Concepts of Mechanical Ventilation

How Ventilators Work

How a Breath Is Delivered

Establishing the Need for Mechanical Ventilation

Selecting the Ventilator and the Mode

Initial Ventilator Settings

Final Considerations in Ventilator Setup

Initial Patient Assessment

Ventilator Graphics

Assessment of Respiratory Function

Hemodynamic Monitoring

Methods to Improve Ventilation in Patient-Ventilator Management

Ventilator-Associated Pneumonia

Sedatives,Analgesics,and Paralytics

Extrapulmonary Effects of Mechanical Ventilation

Effects of Positive Pressure Ventilation on the Pulmonary System

Troubleshooting and Problem Solving

Basic Concepts of Noninvasive Positive Pressure Ventilation

Discontinuation and Weaning From Mechanical Ventilation

Long Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

During mechanical ventilation of a patient with CHF,the PaO₂ = 38 mm Hg and the F_IO₂ = 0.6.If the desired PaO₂ is 60 mm Hg,the F_IO₂ needs to be changed to which of the following?

Calculate the pulmonary shunt fraction for a patient with the following data: C_AO₂ = 17 vols%;CaO₂ = 16.5 vols %; $Calculate the pulmonary shunt fraction for a patient with the following data: C<sub>A</sub>O<sub>2</sub> = 17 vols%;CaO<sub>2</sub> = 16.5 vols %; = 11 vols%.$ = 11 vols%.

During a patient case study,increasing increments of PEEP showed no significant effects until 15 cm H₂O was used,at which time the PaO₂ improved markedly.This represents the point at which _______________.