Question 1

Calculate the static compliance using the information from the pressure-volume loop below.

Accepted Answer

A)  15 mL/cm H₂O 
B)  20 mL/cm H₂O 
C)  25 mL/cm H₂O 
D)  30 mL/cm H₂O 
A)  15 mL/cm H₂O 
B)  20 mL/cm H₂O 
C)  25 mL/cm H₂O 
D)  30 mL/cm H₂O

Question 2

What is the inspiratory time for the ventilator breath shown in section B of the figure below?

Accepted Answer

A)  0.5 second 
B)  1.0 second 
C)  1.5 second 
D)  2.0 seconds 
A)  0.5 second 
B)  1.0 second 
C)  1.5 second 
D)  2.0 seconds

Question 3

The peak inspiratory flow rate on the flow-time scalar below is which of the following?

Accepted Answer

A)  25 L/min 
B)  40 L/min 
C)  46 L/min 
D)  55 L/min 
A)  25 L/min 
B)  40 L/min 
C)  46 L/min 
D)  55 L/min

Question 4

Identify the type of flow waveform the ventilator is delivering from the flow-volume loop below.

Accepted Answer

A)  Ascending ramp 
B)  Rectangular 
C)  Descending ramp 
D)  Exponential decay 
A)  Ascending ramp 
B)  Rectangular 
C)  Descending ramp 
D)  Exponential decay

Question 5

Calculate the static compliance using the information from the scalar below.

Accepted Answer

A)  10 mL/cm H₂O 
B)  16 mL/cm H₂O 
C)  20 mL/cm H₂O 
D)  80 mL/cm H₂O 
A)  10 mL/cm H₂O 
B)  16 mL/cm H₂O 
C)  20 mL/cm H₂O 
D)  80 mL/cm H₂O

Question 6

What is the expiratory time shown in the flow-time scalar below?

Accepted Answer

A)  1 second 
B)  1.5 second 
C)  2 seconds 
D)  2.5 seconds 
A)  1 second 
B)  1.5 second 
C)  2 seconds 
D)  2.5 seconds

Question 7

The ventilator graphics generated by mechanical ventilation with pressure-controlled continuous mandatory ventilation (PC-CMV),rate 18,peak inspiratory pressure (PIP)25 cm H₂O,positive end-expiratory pressure (PEEP)5 cm H₂O,are shown in the scalars below.Interpretation of these scalars reveals which of the following?

Accepted Answer

A)  The flow rate is set too high and should be reduced. 
B)  There is air trapping that could be due to a high respiratory rate. 
C)  The ventilator settings are appropriate and there are no problems. 
D)  There is a leak in the system that needs to be identified and corrected. 
A)  The flow rate is set too high and should be reduced. 
B)  There is air trapping that could be due to a high respiratory rate. 
C)  The ventilator settings are appropriate and there are no problems. 
D)  There is a leak in the system that needs to be identified and corrected.

Question 8

Which of the following conditions causes a pressure-volume loop during volume-controlled continuous mandatory ventilation (VC-CMV)to extend farther to the right and flatten out?

Accepted Answer

A)  Asthma 
B)  Bronchitis 
C)  Emphysema 
D)  Pneumonia 
A)  Asthma 
B)  Bronchitis 
C)  Emphysema 
D)  Pneumonia

Question 9

The volume curve on a volume-time scalar is consistently dropping below the baseline during exhalation.The first action to take is which of the following?

Accepted Answer

A)  Measure the plateau pressure. 
B)  Measure the endotracheal (ET) tube cuff pressure. 
C)  Check the ventilator circuit for a leak. 
D)  Assess the patient for active exhalation. 
A)  Measure the plateau pressure. 
B)  Measure the endotracheal (ET) tube cuff pressure. 
C)  Check the ventilator circuit for a leak. 
D)  Assess the patient for active exhalation.

Question 10

Identify the improperly set ventilator parameter using the scalars shown below.

Accepted Answer

A)  Mode 
B)  Flow rate 
C)  Sensitivity 
D)  Tidal volume 
A)  Mode 
B)  Flow rate 
C)  Sensitivity 
D)  Tidal volume

Question 11

What is the trigger variable for the "A" breath shown in the figure below?

Accepted Answer

A)  Flow 
B)  Time 
C)  Pressure 
D)  Volume 
A)  Flow 
B)  Time 
C)  Pressure 
D)  Volume

Question 12

What is the cause of the change from pressure-volume loop A to pressure-volume loop B during volume-controlled continuous mandatory ventilation (VC-CMV)?

Accepted Answer

A)  Decreased compliance 
B)  Increased compliance 
C)  Decreased airway resistance 
D)  Increased airway resistance 
A)  Decreased compliance 
B)  Increased compliance 
C)  Decreased airway resistance 
D)  Increased airway resistance

Calculate the static compliance using the information from the pressure-volume loop below.

What is the inspiratory time for the ventilator breath shown in section B of the figure below?

The peak inspiratory flow rate on the flow-time scalar below is which of the following?

Identify the type of flow waveform the ventilator is delivering from the flow-volume loop below.

Calculate the static compliance using the information from the scalar below.

What is the expiratory time shown in the flow-time scalar below?

Which of the following conditions causes a pressure-volume loop during volume-controlled continuous mandatory ventilation (VC-CMV)to extend farther to the right and flatten out?

The volume curve on a volume-time scalar is consistently dropping below the baseline during exhalation.The first action to take is which of the following?

Identify the improperly set ventilator parameter using the scalars shown below.

What is the trigger variable for the "A" breath shown in the figure below?

What is the cause of the change from pressure-volume loop A to pressure-volume loop B during volume-controlled continuous mandatory ventilation (VC-CMV)?

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

Assessment of Respiratory Function

Hemodynamic Monitoring

Methods to Improve Ventilation in Patient-Ventilator Management

Improving Oxygenation and Management of ARDS

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

Weaning and Discontinuation from Mechanical Ventilation

Long-Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

Exam 9: Ventilator Graphics

Calculate the static compliance using the information from the pressure-volume loop below.

What is the inspiratory time for the ventilator breath shown in section B of the figure below?

The peak inspiratory flow rate on the flow-time scalar below is which of the following?

Identify the type of flow waveform the ventilator is delivering from the flow-volume loop below.

Calculate the static compliance using the information from the scalar below.

What is the expiratory time shown in the flow-time scalar below?

Which of the following conditions causes a pressure-volume loop during volume-controlled continuous mandatory ventilation (VC-CMV)to extend farther to the right and flatten out?

The volume curve on a volume-time scalar is consistently dropping below the baseline during exhalation.The first action to take is which of the following?

Identify the improperly set ventilator parameter using the scalars shown below.

What is the trigger variable for the "A" breath shown in the figure below?

What is the cause of the change from pressure-volume loop A to pressure-volume loop B during volume-controlled continuous mandatory ventilation (VC-CMV)?

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

Assessment of Respiratory Function

Hemodynamic Monitoring

Methods to Improve Ventilation in Patient-Ventilator Management

Improving Oxygenation and Management of ARDS

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

Weaning and Discontinuation from Mechanical Ventilation

Long-Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters