Question 1

When looking at the pressure-volume loop, a decrease in CLT will not affect the PTA.

Accepted Answer

A) True 
 B)False  True

Question 2

A slow rise time during PSV is more comfortable for the patient.

Accepted Answer

A) True 
 B)False  True

Question 3

In constant flow and descending ramp flow ventilation, the rise in alveolar pressure (PALV) is directly related to the compliance and inversely related to the volume delivered.

Accepted Answer

A) True 
 B)False  False

Question 4

Describe the waveform characteristics of controlled mandatory ventilation.

Accepted Answer

CMV is a mode that defines the specific

Question 5

Gas trapping can easily be recognized by examining the ____.

Accepted Answer

A)  volume-time waveform 
B)  constant flow waveform 
C)  DRFW 
D)  pressure-volume loop 
A)  volume-time waveform 
B)  constant flow waveform 
C)  DRFW 
D)  pressure-volume loop

Question 6

What are the signs of patient-ventilator dyssynchrony?

Accepted Answer

When signs of patient-ventilator dyssync

Question 7

Constant Peak Flow *I Time = ____

Accepted Answer

A)  PIP 
B)  PTA 
C)  TCT 
D)  VT 
A)  PIP 
B)  PTA 
C)  TCT 
D)  VT

Question 8

Approximately 5 to 6 ml/cm H2O of compressible volume lost is common for disposable adult circuits even when the ventilator offers volume compensation.

Accepted Answer

A) True 
 B)False

Question 9

_______________ is used only under conditions of severe hypoxemia and lung injury.

Accepted Answer

Inverse ratio pressure-controlled ventil

Question 10

____ is a major concern and reason for performing the pause pressure measurement during ventilator management.

Accepted Answer

A)  PALV 
B)  CLT 
C)  PAO 
D)  PIP 
A)  PALV 
B)  CLT 
C)  PAO 
D)  PIP

Question 11

Describe which variables are set by the operator and how the other variables are set in pressure-controlled ventilation in the CMV mode.

Accepted Answer

In PCV CMV a set (operator) pressure is

Question 12

In CPAP, airway pressure is above _____ cm H2O and all breaths are ____.

Accepted Answer

A)  0; controlled 
B)  0; spontaneous 
C)  5; controlled 
D)  5; spontaneous 
A)  0; controlled 
B)  0; spontaneous 
C)  5; controlled 
D)  5; spontaneous

Question 13

When looking at a flow-time waveform, which of the following is always to the lower side of baseline or zero flow?

Accepted Answer

A)  inspiration 
B)  change from inspiration to expiration 
C)  expiration 
D)  peak expiratory flow rate 
A)  inspiration 
B)  change from inspiration to expiration 
C)  expiration 
D)  peak expiratory flow rate

Question 14

During _______________, either in the CMV or spontaneous modes, the pressure target is sustained while the flow and volume vary when there are changes in pulmonary mechanics.

Accepted Answer

pressure-controlled ventilatio

Question 15

Volume waveforms are primarily used to ensure accurate VT delivery, but they can also be used to check for ____.

Accepted Answer

A)  decreased CLT 
B)  increased airway resistance 
C)  air trapping 
D)  air leaks 
A)  decreased CLT 
B)  increased airway resistance 
C)  air trapping 
D)  air leaks

Question 16

The first physical sign of increased WOB is ____ and a general appearance of agitation.

Accepted Answer

A)  intercostal retractions 
B)  active expiration 
C)  tachypnea 
D)  the use of accessory respiratory muscles 
A)  intercostal retractions 
B)  active expiration 
C)  tachypnea 
D)  the use of accessory respiratory muscles

Question 17

How has the advent of waveform analysis improved ventilator-patient management for respiratory care professionals?

Accepted Answer

Waveforms give us the capacity to observ

Question 18

During pressure-controlled ventilation, a ____ may present an exponential decay or concave pattern depending on lung characteristics and patient effort.

Accepted Answer

A)  CFW 
B)  DRFW 
C)  ascending ramp flow waveform 
D)  sine waveform 
A)  CFW 
B)  DRFW 
C)  ascending ramp flow waveform 
D)  sine waveform

Question 19

In PCV CMV the rate, TI or I:E ratio are set by the operator.

Accepted Answer

A) True 
 B)False

Question 20

A decrease in CLT causes the pressure-volume loop to shift to the ____.

Accepted Answer

A)  left toward the volume axis 
B)  right toward the pressure axis. 
C)  left toward the pressure axis. 
D)  right toward the pressure axis 
A)  left toward the volume axis 
B)  right toward the pressure axis. 
C)  left toward the pressure axis. 
D)  right toward the pressure axis

When looking at the pressure-volume loop, a decrease in C_LT will not affect the P_TA.

A slow rise time during PSV is more comfortable for the patient.

In constant flow and descending ramp flow ventilation, the rise in alveolar pressure (P_ALV) is directly related to the compliance and inversely related to the volume delivered.

Describe the waveform characteristics of controlled mandatory ventilation.

Gas trapping can easily be recognized by examining the ____.

What are the signs of patient-ventilator dyssynchrony?

Constant Peak Flow *I Time = ____

Approximately 5 to 6 ml/cm H₂O of compressible volume lost is common for disposable adult circuits even when the ventilator offers volume compensation.

_______________ is used only under conditions of severe hypoxemia and lung injury.

____ is a major concern and reason for performing the pause pressure measurement during ventilator management.

Describe which variables are set by the operator and how the other variables are set in pressure-controlled ventilation in the CMV mode.

In CPAP, airway pressure is above _ cm H₂O and all breaths are .

When looking at a flow-time waveform, which of the following is always to the lower side of baseline or zero flow?

During _______________, either in the CMV or spontaneous modes, the pressure target is sustained while the flow and volume vary when there are changes in pulmonary mechanics.

Volume waveforms are primarily used to ensure accurate V_T delivery, but they can also be used to check for ____.

The first physical sign of increased WOB is ____ and a general appearance of agitation.

How has the advent of waveform analysis improved ventilator-patient management for respiratory care professionals?

During pressure-controlled ventilation, a ____ may present an exponential decay or concave pattern depending on lung characteristics and patient effort.

In PCV CMV the rate, T_Ior I:E ratio are set by the operator.

A decrease in C_LT causes the pressure-volume loop to shift to the ____.

Principles of Mechanical Ventilation

Effects of Positive Pressure Ventilation

Classification of Mechanical Ventilators

Operating Modes of Mechanical Ventilation

Special Airways for Ventilation

Airway Management in Mechanical Ventilation

Noninvasive Positive Pressure Ventilation

Initiation of Mechanical Ventilation

Monitoring in Mechanical Ventilation

Hemodynamic Monitoring

Management of Mechanical Ventilation

Pharmacotherapy for Mechanical Ventilation

Procedures Related to Mechanical Ventilation

Critical Care Issues in Mechanical Ventilation

Weaning From Mechanical Ventilation

Neonatal Mechanical Ventilation

Mechanical Ventilation in Non-Traditional Settings

Filters

Exam 11: Ventilator Waveform Analysis

When looking at the pressure-volume loop, a decrease in CLT will not affect the PTA.

A slow rise time during PSV is more comfortable for the patient.

In constant flow and descending ramp flow ventilation, the rise in alveolar pressure (PALV) is directly related to the compliance and inversely related to the volume delivered.

Describe the waveform characteristics of controlled mandatory ventilation.

Gas trapping can easily be recognized by examining the ____.

What are the signs of patient-ventilator dyssynchrony?

Constant Peak Flow *I Time = ____

Approximately 5 to 6 ml/cm H2O of compressible volume lost is common for disposable adult circuits even when the ventilator offers volume compensation.

_______________ is used only under conditions of severe hypoxemia and lung injury.

____ is a major concern and reason for performing the pause pressure measurement during ventilator management.

Describe which variables are set by the operator and how the other variables are set in pressure-controlled ventilation in the CMV mode.

In CPAP, airway pressure is above _____ cm H2O and all breaths are ____.

When looking at a flow-time waveform, which of the following is always to the lower side of baseline or zero flow?

During _______________, either in the CMV or spontaneous modes, the pressure target is sustained while the flow and volume vary when there are changes in pulmonary mechanics.

Volume waveforms are primarily used to ensure accurate VT delivery, but they can also be used to check for ____.

The first physical sign of increased WOB is ____ and a general appearance of agitation.

How has the advent of waveform analysis improved ventilator-patient management for respiratory care professionals?

During pressure-controlled ventilation, a ____ may present an exponential decay or concave pattern depending on lung characteristics and patient effort.

In PCV CMV the rate, TI or I:E ratio are set by the operator.

A decrease in CLT causes the pressure-volume loop to shift to the ____.

Principles of Mechanical Ventilation

Effects of Positive Pressure Ventilation

Classification of Mechanical Ventilators

Operating Modes of Mechanical Ventilation

Special Airways for Ventilation

Airway Management in Mechanical Ventilation

Noninvasive Positive Pressure Ventilation

Initiation of Mechanical Ventilation

Monitoring in Mechanical Ventilation

Hemodynamic Monitoring

Management of Mechanical Ventilation

Pharmacotherapy for Mechanical Ventilation

Procedures Related to Mechanical Ventilation

Critical Care Issues in Mechanical Ventilation

Weaning From Mechanical Ventilation

Neonatal Mechanical Ventilation

Mechanical Ventilation in Non-Traditional Settings

Filters

When looking at the pressure-volume loop, a decrease in C_LT will not affect the P_TA.

In constant flow and descending ramp flow ventilation, the rise in alveolar pressure (P_ALV) is directly related to the compliance and inversely related to the volume delivered.

Approximately 5 to 6 ml/cm H₂O of compressible volume lost is common for disposable adult circuits even when the ventilator offers volume compensation.

In CPAP, airway pressure is above _ cm H₂O and all breaths are .

Volume waveforms are primarily used to ensure accurate V_T delivery, but they can also be used to check for ____.

In PCV CMV the rate, T_Ior I:E ratio are set by the operator.

A decrease in C_LT causes the pressure-volume loop to shift to the ____.