Question 1

How many variables can a ventilator control at one time?

Accepted Answer

A)  One 
B)  Two 
C)  Three 
D)  Four 
A)  One 
B)  Two 
C)  Three 
D)  Four

Question 2

In pressure targeted ventilation the trigger variable for a patient who is sedated is which of the following?

Accepted Answer

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

Question 3

The respiratory therapist is called to a patient's room because the "alarms are ringing." When the respiratory therapist arrives at the bedside,the high pressure limit,low exhaled tidal volume,and low exhaled minute volume alarms are active.The cause of these alarms is which of the following?

Accepted Answer

A)  Disconnection from the ventilator. 
B)  Critical leak in the ventilator circuit. 
C)  Lung compliance has improved. 
D)  Airway resistance has increased. 
A)  Disconnection from the ventilator. 
B)  Critical leak in the ventilator circuit. 
C)  Lung compliance has improved. 
D)  Airway resistance has increased.

Question 4

A patient who has a decrease in lung compliance due to acute respiratory distress syndrome during volume-limited ventilation will cause which of the following?

Accepted Answer

A)  Increased volume delivery 
B)  Increased peak pressure 
C)  Decreased flow delivery 
D)  Decreased peak pressure 
A)  Increased volume delivery 
B)  Increased peak pressure 
C)  Decreased flow delivery 
D)  Decreased peak pressure

Question 5

A patient is receiving volume-controlled ventilation.The respiratory therapist notes the pressure-time scalar on the ventilator screen,shown in the figure.The most appropriate action to take includes which of the following?

Accepted Answer

A)  Increase the rate setting. 
B)  Increase the baseline setting. 
C)  Decrease the volume setting. 
D)  Increase the sensitivity setting. 
A)  Increase the rate setting. 
B)  Increase the baseline setting. 
C)  Decrease the volume setting. 
D)  Increase the sensitivity setting.

Question 6

The pressure-time scalar shown in the figure could be caused by which of the following?

Accepted Answer

A)  Inspiratory hold 
B)  Clogged expiratory filter 
C)  Excessive secretions in the airway 
D)  Negative end expiratory pressure 
A)  Inspiratory hold 
B)  Clogged expiratory filter 
C)  Excessive secretions in the airway 
D)  Negative end expiratory pressure

Question 7

The equation of motion describes the relationships between which of the following?

Accepted Answer

A)  Pressure and flow during a mechanical breath 
B)  Pressure and volume during a spontaneous breath 
C)  Flow and volume during a mechanical or spontaneous breath 
D)  Flow, volume, and pressure during a spontaneous or mechanical breath 
A)  Pressure and flow during a mechanical breath 
B)  Pressure and volume during a spontaneous breath 
C)  Flow and volume during a mechanical or spontaneous breath 
D)  Flow, volume, and pressure during a spontaneous or mechanical breath

Question 8

A ventilator is set to deliver a 600 mL tidal volume.The flow rate is set at 40 L/min and the frequency is set at 10 breaths/min.If the flow rate is doubled and the patient is not assisting,which of the following will occur?

Accepted Answer

A)  The frequency will decrease. 
B)  The tidal volume will increase. 
C)  The expiratory time will increase. 
D)  The inspiratory time will increase. 
A)  The frequency will decrease. 
B)  The tidal volume will increase. 
C)  The expiratory time will increase. 
D)  The inspiratory time will increase.

Question 9

The equation of motion is represented by which of the following?

Accepted Answer

A)  Pᴛᴀ = Pᴀ ×Rₐᴡ 
B)  Pᴛʀ = Paw + PA 
C)  Pᵥₑₙₜ + Pmus =Rₐᴡ + Pᴛᴀ 
D)  Pᵥₑₙₜ + Pmus =Rₐᴡ × PA 
A)  Pᴛᴀ = Pᴀ ×Rₐᴡ 
B)  Pᴛʀ = Paw + PA 
C)  Pᵥₑₙₜ + Pmus =Rₐᴡ + Pᴛᴀ 
D)  Pᵥₑₙₜ + Pmus =Rₐᴡ × PA

Question 10

During pressure-targeted ventilation the patient's airway resistance decreases to normal due to medication delivery.The ventilator will respond with which of the following changes?
1)Altered flow waveform
2)Increased pressure
3)Increased volume
4)Decrease volume

Accepted Answer

A)  1 and 3 only 
B)  2 and 4 only 
C)  1 and 4 only 
D)  1, 2, and 3 only 
A)  1 and 3 only 
B)  2 and 4 only 
C)  1 and 4 only 
D)  1, 2, and 3 only

How many variables can a ventilator control at one time?

In pressure targeted ventilation the trigger variable for a patient who is sedated is which of the following?

The respiratory therapist is called to a patient's room because the "alarms are ringing." When the respiratory therapist arrives at the bedside,the high pressure limit,low exhaled tidal volume,and low exhaled minute volume alarms are active.The cause of these alarms is which of the following?

A patient who has a decrease in lung compliance due to acute respiratory distress syndrome during volume-limited ventilation will cause which of the following?

A patient is receiving volume-controlled ventilation.The respiratory therapist notes the pressure-time scalar on the ventilator screen,shown in the figure.The most appropriate action to take includes which of the following?

The pressure-time scalar shown in the figure could be caused by which of the following?

The equation of motion describes the relationships between which of the following?

A ventilator is set to deliver a 600 mL tidal volume.The flow rate is set at 40 L/min and the frequency is set at 10 breaths/min.If the flow rate is doubled and the patient is not assisting,which of the following will occur?

The equation of motion is represented by which of the following?

During pressure-targeted ventilation the patient's airway resistance decreases to normal due to medication delivery.The ventilator will respond with which of the following changes? 1)Altered flow waveform 2)Increased pressure 3)Increased volume 4)Decrease volume

Basic Terms and Concepts of Mechanical Ventilation

How Ventilators Work

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

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 3: How a Breath Is Delivered

How many variables can a ventilator control at one time?

In pressure targeted ventilation the trigger variable for a patient who is sedated is which of the following?

The respiratory therapist is called to a patient's room because the "alarms are ringing." When the respiratory therapist arrives at the bedside,the high pressure limit,low exhaled tidal volume,and low exhaled minute volume alarms are active.The cause of these alarms is which of the following?

A patient who has a decrease in lung compliance due to acute respiratory distress syndrome during volume-limited ventilation will cause which of the following?

A patient is receiving volume-controlled ventilation.The respiratory therapist notes the pressure-time scalar on the ventilator screen,shown in the figure.The most appropriate action to take includes which of the following?

The pressure-time scalar shown in the figure could be caused by which of the following?

The equation of motion describes the relationships between which of the following?

A ventilator is set to deliver a 600 mL tidal volume.The flow rate is set at 40 L/min and the frequency is set at 10 breaths/min.If the flow rate is doubled and the patient is not assisting,which of the following will occur?

The equation of motion is represented by which of the following?

During pressure-targeted ventilation the patient's airway resistance decreases to normal due to medication delivery.The ventilator will respond with which of the following changes? 1)Altered flow waveform 2)Increased pressure 3)Increased volume 4)Decrease volume

Basic Terms and Concepts of Mechanical Ventilation

How Ventilators Work

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

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