Question 1

During spontaneous inspiration alveolar pressure (PA)is about: ________________.

Accepted Answer

A)  - 1 cm H2O 
B)  + 1 cm H2O 
C)  0 cm H2O 
D)  5 cm H2O 
A)  - 1 cm H2O 
B)  + 1 cm H2O 
C)  0 cm H2O 
D)  5 cm H2O

Question 2

Calculate the static compliance (CS),in mL/cm H2O,when PIP is 47 cm H2O,plateau pressure (Pplateau)is 27 cm H2O,baseline pressure is 10 cm H2O,and exhaled tidal volume (VT)is 725 mL.

Accepted Answer

A)  43 CS 
B)  36 CS 
C)  20 CS 
D)  0.065 CS 
A)  43 CS 
B)  36 CS 
C)  20 CS 
D)  0.065 CS

Question 3

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (PTA).The respiratory therapist should conclude which of the following?

Accepted Answer

A)  Static compliance (CS)has increased. 
B)  Static compliance (CS)has decreased. 
C)  Airway resistance (Raw)has increased. 
D)  Airway resistance (Raw )has decreased. 
A)  Static compliance (CS)has increased. 
B)  Static compliance (CS)has decreased. 
C)  Airway resistance (Raw)has increased. 
D)  Airway resistance (Raw )has decreased.

Question 4

A patient receiving mechanical ventilation has an exhaled tidal volume (VT)of 500 mL and a positive-end expiratory pressure setting (PEEP)of 5 cm H2O.Patient-ventilator system checks reveal the following data:   The respiratory therapist should recommend which of the following for this patient?
1)Tracheobronchial suctioning
2)Increase in the set tidal volume
3)Beta adrenergic bronchodilator therapy
4)Increase positive end expiratory pressure

Accepted Answer

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

Question 5

Based upon the following patient information calculate the patient's static lung compliance: exhaled tidal volume (VT)is 675 mL,peak inspiratory pressure (PIP)is 28 cm H2O,plateau pressure (Pplateau)is 8 cm H2O,and PEEP is set at 5 cm H2O.

Accepted Answer

A)  0.02 L/cm H2O 
B)  0.03 L/cm H2O 
C)  0.22 L/cm H2O 
D)  0.34 L/cm H2O 
A)  0.02 L/cm H2O 
B)  0.03 L/cm H2O 
C)  0.22 L/cm H2O 
D)  0.34 L/cm H2O

Question 6

Calculate the pressure needed to overcome airway resistance during positive pressure ventilation when the proximal airway pressure (PAw)is 35 cm H2O and the alveolar pressure (PA)is 5 cm H2O.

Accepted Answer

A)  7 cm H2O 
B)  30 cm H2O 
C)  40 cm H2O 
D)  175 cm H2O 
A)  7 cm H2O 
B)  30 cm H2O 
C)  40 cm H2O 
D)  175 cm H2O

Question 7

The body's mechanism for conducting air in and out of the lungs is known as which of the following?

Accepted Answer

A)  External respiration 
B)  Internal respiration 
C)  Spontaneous ventilation 
D)  Mechanical ventilation 
A)  External respiration 
B)  Internal respiration 
C)  Spontaneous ventilation 
D)  Mechanical ventilation

Question 8

The transairway pressure (PTA)shown in this figure is which of the following?

Accepted Answer

A)  5 cm H2O 
B)  10 cm H2O 
C)  20 cm H2O 
D)  30 cm H2O 
A)  5 cm H2O 
B)  10 cm H2O 
C)  20 cm H2O 
D)  30 cm H2O

Question 9

Use this figure to compute the static compliance (CS)for an intubated patient with an exhaled tidal volume (VT)of 500 mL.

Accepted Answer

A)  14 mL/cm H2O 
B)  20 mL/cm H2O 
C)  33 mL/cm H2O 
D)  50 mL/cm H2O 
A)  14 mL/cm H2O 
B)  20 mL/cm H2O 
C)  33 mL/cm H2O 
D)  50 mL/cm H2O

Question 10

The statement that describes the alveolus shown in Figure 1-1 is which of the following?   
1)Requires more time to fill than a normal alveolus
2)Fills more quickly than a normal alveolus
3)Requires more volume to fill than a normal alveolus
4)More pressure is needed to achieve a normal volume

Accepted Answer

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

Question 11

The pressure required to maintain alveolar inflation is known as which of the following?

Accepted Answer

A)  Transairway pressure (PTA ) 
B)  Transthoracic pressure (PTT) 
C)  Transrespiratory pressure (PTR) 
D)  Transpulmonary pressure (PL) 
A)  Transairway pressure (PTA ) 
B)  Transthoracic pressure (PTT) 
C)  Transrespiratory pressure (PTR) 
D)  Transpulmonary pressure (PL)

Question 12

The values below pertain to a patient who is being mechanically ventilated with a measured exhaled tidal volume (VT )of 700 mL.   Analysis of this data points to which of the following conclusions?

Accepted Answer

A)  Airway resistance in increasing. 
B)  Airway resistance is decreasing. 
C)  Lung compliance is increasing. 
D)  Lung compliance is decreasing. 
A)  Airway resistance in increasing. 
B)  Airway resistance is decreasing. 
C)  Lung compliance is increasing. 
D)  Lung compliance is decreasing.

Question 13

Which of the following are involved in external respiration?

Accepted Answer

A)  Red blood cells and body cells 
B)  Scalenes and trapezius muscles 
C)  Alveoli and pulmonary capillaries 
D)  External oblique and transverse abdominal muscles 
A)  Red blood cells and body cells 
B)  Scalenes and trapezius muscles 
C)  Alveoli and pulmonary capillaries 
D)  External oblique and transverse abdominal muscles

Question 14

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a Cs = 40 mL/cm H2O and the Raw = 1 cm H2O/(L/sec).

Accepted Answer

A)  0.04 sec 
B)  0.16 sec 
C)  1.6 sec 
D)  4.0 sec 
A)  0.04 sec 
B)  0.16 sec 
C)  1.6 sec 
D)  4.0 sec

Question 15

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a Cs = 60 mL/cm H2O and the Raw = 6 cm H2O/(L/sec).

Accepted Answer

A)  0.36 sec 
B)  0.5 sec 
C)  1.4 sec 
D)  1.8 sec 
A)  0.36 sec 
B)  0.5 sec 
C)  1.4 sec 
D)  1.8 sec

During spontaneous inspiration alveolar pressure (P_A)is about: ________________.

Calculate the static compliance (C_S),in mL/cm H₂O,when PIP is 47 cm H₂O,plateau pressure (P_plateau)is 27 cm H₂O,baseline pressure is 10 cm H₂O,and exhaled tidal volume (V_T)is 725 mL.

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (P_TA).The respiratory therapist should conclude which of the following?

Based upon the following patient information calculate the patient's static lung compliance: exhaled tidal volume (V_T)is 675 mL,peak inspiratory pressure (PIP)is 28 cm H₂O,plateau pressure (P_plateau)is 8 cm H₂O,and PEEP is set at 5 cm H₂O.

Calculate the pressure needed to overcome airway resistance during positive pressure ventilation when the proximal airway pressure (P_Aw)is 35 cm H₂O and the alveolar pressure (P_A)is 5 cm H₂O.

The body's mechanism for conducting air in and out of the lungs is known as which of the following?

The transairway pressure (P_TA)shown in this figure is which of the following?

Use this figure to compute the static compliance (C_S)for an intubated patient with an exhaled tidal volume (V_T)of 500 mL.

The statement that describes the alveolus shown in Figure 1-1 is which of the following? 1)Requires more time to fill than a normal alveolus 2)Fills more quickly than a normal alveolus 3)Requires more volume to fill than a normal alveolus 4)More pressure is needed to achieve a normal volume

The pressure required to maintain alveolar inflation is known as which of the following?

The values below pertain to a patient who is being mechanically ventilated with a measured exhaled tidal volume (V_T )of 700 mL. Analysis of this data points to which of the following conclusions?

Which of the following are involved in external respiration?

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a C_s= 40 mL/cm H₂O and the R_aw = 1 cm H₂O/(L/sec).

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a C_s= 60 mL/cm H₂O and the R_aw = 6 cm H₂O/(L/sec).

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

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

Discontinuation and Weaning From Mechanical Ventilation

Long Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

Exam 1: Basic Terms and Concepts of Mechanical Ventilation

During spontaneous inspiration alveolar pressure (PA)is about: ________________.

Calculate the static compliance (CS),in mL/cm H2O,when PIP is 47 cm H2O,plateau pressure (Pplateau)is 27 cm H2O,baseline pressure is 10 cm H2O,and exhaled tidal volume (VT)is 725 mL.

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (PTA).The respiratory therapist should conclude which of the following?

Based upon the following patient information calculate the patient's static lung compliance: exhaled tidal volume (VT)is 675 mL,peak inspiratory pressure (PIP)is 28 cm H2O,plateau pressure (Pplateau)is 8 cm H2O,and PEEP is set at 5 cm H2O.

Calculate the pressure needed to overcome airway resistance during positive pressure ventilation when the proximal airway pressure (PAw)is 35 cm H2O and the alveolar pressure (PA)is 5 cm H2O.

The body's mechanism for conducting air in and out of the lungs is known as which of the following?

The transairway pressure (PTA)shown in this figure is which of the following?

Use this figure to compute the static compliance (CS)for an intubated patient with an exhaled tidal volume (VT)of 500 mL.

The statement that describes the alveolus shown in Figure 1-1 is which of the following? 1)Requires more time to fill than a normal alveolus 2)Fills more quickly than a normal alveolus 3)Requires more volume to fill than a normal alveolus 4)More pressure is needed to achieve a normal volume

The pressure required to maintain alveolar inflation is known as which of the following?

The values below pertain to a patient who is being mechanically ventilated with a measured exhaled tidal volume (VT )of 700 mL. Analysis of this data points to which of the following conclusions?

Which of the following are involved in external respiration?

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a Cs = 40 mL/cm H2O and the Raw = 1 cm H2O/(L/sec).

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a Cs = 60 mL/cm H2O and the Raw = 6 cm H2O/(L/sec).

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

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

Discontinuation and Weaning From Mechanical Ventilation

Long Term Ventilation

Neonatal and Pediatric Ventilation

Special Techniques in Ventilatory Support

Filters

During spontaneous inspiration alveolar pressure (P_A)is about: ________________.

Calculate the static compliance (C_S),in mL/cm H₂O,when PIP is 47 cm H₂O,plateau pressure (P_plateau)is 27 cm H₂O,baseline pressure is 10 cm H₂O,and exhaled tidal volume (V_T)is 725 mL.

The patient-ventilator data over the past few hours demonstrates an increased peak inspiratory pressure (PIP)with a constant transairway pressure (P_TA).The respiratory therapist should conclude which of the following?

Based upon the following patient information calculate the patient's static lung compliance: exhaled tidal volume (V_T)is 675 mL,peak inspiratory pressure (PIP)is 28 cm H₂O,plateau pressure (P_plateau)is 8 cm H₂O,and PEEP is set at 5 cm H₂O.

Calculate the pressure needed to overcome airway resistance during positive pressure ventilation when the proximal airway pressure (P_Aw)is 35 cm H₂O and the alveolar pressure (P_A)is 5 cm H₂O.

The transairway pressure (P_TA)shown in this figure is which of the following?

Use this figure to compute the static compliance (C_S)for an intubated patient with an exhaled tidal volume (V_T)of 500 mL.

The values below pertain to a patient who is being mechanically ventilated with a measured exhaled tidal volume (V_T )of 700 mL. Analysis of this data points to which of the following conclusions?

Calculate the inspiratory time necessary to ensure 98% of the volume is delivered to a patient with a C_s= 40 mL/cm H₂O and the R_aw = 1 cm H₂O/(L/sec).

Compute the inspiratory time necessary to ensure 100% of the volume is delivered to an intubated patient with a C_s= 60 mL/cm H₂O and the R_aw = 6 cm H₂O/(L/sec).