Egan's Chapter 49 Exam Prep | Initiating and Adjusting Invasive Vent Support Review Questions 2026-2027
During initial mechanical ventilation of the chronic C. 55 mmHg
obstructive pulmonary disease (COPD) patient with
chronic hypercapnia, what PaCO2 is most likely used as
a target value?
a. 30 mm Hg
b. 40 mm Hg
c. 55 mm Hg
d. 75 mm Hg
The goals of mechanical ventilatory support include D. 1, 2, 3
which of the following? 1. Support or manipulate gas
exchange.
2. Reduce or manipulate the work of breathing.
3. Restore acid-base balance.
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
After starting volume-cycled mechanical ventilation on B. Lower the delivered Vt
a patient in respiratory failure with a VT of 10 ml/kg, you
measure and obtain a plateau pressure of 45 cm H2O.
Which of the following actions would you recommend
to the patient's physician?
a. Decrease the inspiratory flow.
b. Lower the delivered VT.
c. Administer a bronchodilator.
d. Add PEEP.
Which the following are hazards associated with D. 1, 3, 4
mechanical ventilation? 1. Reduced cardiac output
2. Liver failure
3. Ventilatory muscle dysfunction
4. Ventilator-induced lung injury
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only
What goals does the practitioner hope to achieve when D. 1, 2, 3, 4
selecting initial ventilatory support settings?
1. Optimize oxygenation. 2. Optimize ventilation.
3. Maintain acid-base balance. 4. Avoid harmful side
effects.
a. 1 and 4 only
b. 2 and 3 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4
,Egan's Chapter 49 Exam Prep | Initiating and Adjusting Invasive Vent Support Review Questions 2026-2027
To stabilize a patient during the initial application of B. 1, 2, 3
ventilatory support, which of the following parameters
must be set?
1. Airway temperature
2. Ventilatory support mode
3. O2 concentration (FiO2) 4. Minute ventilation (f, VT)
a. 1 and 3 only
b. 1, 2, and 3 only
c. 2, 3, and 4 only
d. 1, 2, 3, and 4
Which of the following are advantages of Assist Control B. 1, 2, 3
Volume ventilation? 1. Minimal safe level of ventilation
achieved.
2. Patient can set breathing rate.
3. May reduce work of breathing.
4. Pressure is limited.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
Which of the following is an advantage of Pressure C. Improved gas distribution allows for lower Vt
Control Ventilation?
a. Higher mean airway pressure can decrease venous
return.
b. VT varies depending on lung compliance, resistance,
and patient effort.
c. Improved gas distribution allows for lower VT.
d. If VT or minute ventilation alarms are not set
properly, alveolar hypoventilation
and acidosis may not be detected.
Which of the following is the recommended tidal C. 6 to 8 ml/kg
volume for mechanical ventilation in patients with
COPD?
a. 4 to 8 ml/kg
b. 3 to 5 ml/kg
c. 6 to 8 ml/kg
d. 10 to 12 ml/kg
Which of the following are specific clinical objectives of B. 1, 2, 4
ventilatory support?
1. To reverse hypoxemia
2. To prevent or reverse atelectGasRisADESLAB.COM 3.
To prevent sedation and neuromuscular blockade 4. To
reverse acute respiratory acidosis
a. 1 and 3 only
b. 1, 2, and 4 only
c. 2 and 4 only
d. 2, 3, and 4 only
, Egan's Chapter 49 Exam Prep | Initiating and Adjusting Invasive Vent Support Review Questions 2026-2027
What percentage of mechanical ventilated patients has A. 5% to 10%
a tracheostomy tube place at some point?
a. 5% to 10%
b. 10% to 15%
c. 20% to 25%
d. 30% to 35%
. A patient receiving control-mode continuous D. 5.9 L/min
mandatory ventilation has the following ABGs on an
FiO2 of 0.4: pH = 7.51; PCO2 = 30 mm Hg; HCO3- = 25
mm Hg. Her current minute ventilation (VE) is 7.9 L/min.
What new VE would you recommend?
a. 9.0 L/min
b. 6.7 L/min
c. 7.5 L/min
d. 5.9 L/min
Compared to a pressure-controlled strategy, what is D. Guarantees a minimum minute ventilation
the primary advantage of volume-controlled ventilatory
support?
a. Provides a decelerating flow pattern.
b. Limits and controls peak airway pressures.
c. Improves patient-ventilator synchrony.
d. Guarantees a minimum minute ventilation.
Compared with a volume-cycled strategy, what are C. 1, 3
some potential advantages of
GRADESLAB.COM
pressure-targeted ventilatory support?
1. Limit and control of peak airway pressures 2. Direct
control over inspiratory time
3. Provision of a decelerating flow pattern
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
What is the recommended range for the tidal volume B. 6 to 8 ml/kg
for the initial ventilator settings in the volume control
mode in a patient with normal lungs?
a. 4 to 6 ml/kg
b. 6 to 8 ml/kg
c. 10 to 12 ml/kg
d. 12 to 15 ml/kg
If the patient is being ventilated via a mechanical A. Increase
ventilator via intermittent mandatory ventilation with
partial ventilatory support, what would probably
happen to PaCO2 if the patient suddenly had no
spontaneous breathing?
a. Increase
b. Decrease
c. Stay the same
d. Change according to FiO2
During initial mechanical ventilation of the chronic C. 55 mmHg
obstructive pulmonary disease (COPD) patient with
chronic hypercapnia, what PaCO2 is most likely used as
a target value?
a. 30 mm Hg
b. 40 mm Hg
c. 55 mm Hg
d. 75 mm Hg
The goals of mechanical ventilatory support include D. 1, 2, 3
which of the following? 1. Support or manipulate gas
exchange.
2. Reduce or manipulate the work of breathing.
3. Restore acid-base balance.
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
After starting volume-cycled mechanical ventilation on B. Lower the delivered Vt
a patient in respiratory failure with a VT of 10 ml/kg, you
measure and obtain a plateau pressure of 45 cm H2O.
Which of the following actions would you recommend
to the patient's physician?
a. Decrease the inspiratory flow.
b. Lower the delivered VT.
c. Administer a bronchodilator.
d. Add PEEP.
Which the following are hazards associated with D. 1, 3, 4
mechanical ventilation? 1. Reduced cardiac output
2. Liver failure
3. Ventilatory muscle dysfunction
4. Ventilator-induced lung injury
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only
What goals does the practitioner hope to achieve when D. 1, 2, 3, 4
selecting initial ventilatory support settings?
1. Optimize oxygenation. 2. Optimize ventilation.
3. Maintain acid-base balance. 4. Avoid harmful side
effects.
a. 1 and 4 only
b. 2 and 3 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4
,Egan's Chapter 49 Exam Prep | Initiating and Adjusting Invasive Vent Support Review Questions 2026-2027
To stabilize a patient during the initial application of B. 1, 2, 3
ventilatory support, which of the following parameters
must be set?
1. Airway temperature
2. Ventilatory support mode
3. O2 concentration (FiO2) 4. Minute ventilation (f, VT)
a. 1 and 3 only
b. 1, 2, and 3 only
c. 2, 3, and 4 only
d. 1, 2, 3, and 4
Which of the following are advantages of Assist Control B. 1, 2, 3
Volume ventilation? 1. Minimal safe level of ventilation
achieved.
2. Patient can set breathing rate.
3. May reduce work of breathing.
4. Pressure is limited.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
Which of the following is an advantage of Pressure C. Improved gas distribution allows for lower Vt
Control Ventilation?
a. Higher mean airway pressure can decrease venous
return.
b. VT varies depending on lung compliance, resistance,
and patient effort.
c. Improved gas distribution allows for lower VT.
d. If VT or minute ventilation alarms are not set
properly, alveolar hypoventilation
and acidosis may not be detected.
Which of the following is the recommended tidal C. 6 to 8 ml/kg
volume for mechanical ventilation in patients with
COPD?
a. 4 to 8 ml/kg
b. 3 to 5 ml/kg
c. 6 to 8 ml/kg
d. 10 to 12 ml/kg
Which of the following are specific clinical objectives of B. 1, 2, 4
ventilatory support?
1. To reverse hypoxemia
2. To prevent or reverse atelectGasRisADESLAB.COM 3.
To prevent sedation and neuromuscular blockade 4. To
reverse acute respiratory acidosis
a. 1 and 3 only
b. 1, 2, and 4 only
c. 2 and 4 only
d. 2, 3, and 4 only
, Egan's Chapter 49 Exam Prep | Initiating and Adjusting Invasive Vent Support Review Questions 2026-2027
What percentage of mechanical ventilated patients has A. 5% to 10%
a tracheostomy tube place at some point?
a. 5% to 10%
b. 10% to 15%
c. 20% to 25%
d. 30% to 35%
. A patient receiving control-mode continuous D. 5.9 L/min
mandatory ventilation has the following ABGs on an
FiO2 of 0.4: pH = 7.51; PCO2 = 30 mm Hg; HCO3- = 25
mm Hg. Her current minute ventilation (VE) is 7.9 L/min.
What new VE would you recommend?
a. 9.0 L/min
b. 6.7 L/min
c. 7.5 L/min
d. 5.9 L/min
Compared to a pressure-controlled strategy, what is D. Guarantees a minimum minute ventilation
the primary advantage of volume-controlled ventilatory
support?
a. Provides a decelerating flow pattern.
b. Limits and controls peak airway pressures.
c. Improves patient-ventilator synchrony.
d. Guarantees a minimum minute ventilation.
Compared with a volume-cycled strategy, what are C. 1, 3
some potential advantages of
GRADESLAB.COM
pressure-targeted ventilatory support?
1. Limit and control of peak airway pressures 2. Direct
control over inspiratory time
3. Provision of a decelerating flow pattern
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
What is the recommended range for the tidal volume B. 6 to 8 ml/kg
for the initial ventilator settings in the volume control
mode in a patient with normal lungs?
a. 4 to 6 ml/kg
b. 6 to 8 ml/kg
c. 10 to 12 ml/kg
d. 12 to 15 ml/kg
If the patient is being ventilated via a mechanical A. Increase
ventilator via intermittent mandatory ventilation with
partial ventilatory support, what would probably
happen to PaCO2 if the patient suddenly had no
spontaneous breathing?
a. Increase
b. Decrease
c. Stay the same
d. Change according to FiO2
