Mechanical Ventilation Exam 2 New Practice
Questions and Answers | Complete Exam
Prep Resource | A+ Pass Guaranteed
• Spontaneous breath modes include all of the following except: -✓✓continuous
mandatory ventilation assist-control.
• What is the primary physiological effect of positive end-expiratory pressure
(PEEP)? -✓✓Increase the functional residual capacity (FRC). Useful in treating
Refractory Hypoxemia. (when a low Pa02 doesn't respond to high Fi02
• Which of the following is an advantage of intermittent mandatory ventilation
(IMV) over continuous mandatory ventilation (CMV)? -✓✓IMV results in lower
pleural pressures for a given VE.
• Compared to using pressure as the trigger variable, what is the major advantage
of flow-triggering? -✓✓Decreased work of breathing
• Which of the following modes is commonly selected for patients with
neuromuscular disorders? -✓✓VC-IMV
• While observing a patient receiving ventilatory support, you notice that some
delivered breaths are begun or ended by the machine, whereas others are begun
and ended by the patient. Which of the following modes of ventilatory support is in
force? -✓✓Intermittent mandatory ventilation (IMV)
• If the pressure waveform of a ventilator remains the same when a patient's lung
mechanics change, then what is the ventilator? -✓✓Pressure controller
• What parameter serves as the baseline variable on all modern ventilators? -
✓✓Pressure
• Mean airway pressure is highest with what waveform? -✓✓Rectangular pressure
• During pressure-targeted ventilation, which of the following settings determine
VT? -✓✓I. Pressure difference II. Inspiratory time III. Time constant
,• Flow serves as a limit variable whenever a ventilator controls what? -✓✓Flow
• primary parameters used to alter the breath size in pressure controlled? -
✓✓Positive inspiratory pressure (PIP) & positive end-expiratory pressure (PEEP)
• What is the mode of ventilatory support in which patient's inspiratory efforts are
augmented with a set amount of positive airway pressure? -✓✓Pressure support
ventilation (PSV)
• A patient is receiving continuous mandatory ventilation in the control mode at a
rate of 15/min. The inspiratory time is 0.8 second. What is the expiratory time? -
✓✓3.2 seconds
• What is the application of pressure above atmospheric at the airway throughout
expiration during mechanical ventilation? -✓✓Positive end-expiratory pressure
(PEEP)
• During volume control ventilation, the clinician has control over which of the
following? -✓✓II. Volume waveform III. Flow waveform
• During volume-targeted ventilation, which of the following settings determine the
machine-delivered minute volume? -✓✓I. Volume III. Rate
• A patient is receiving continuous mandatory ventilation through a constant flow
generator in the control mode at a rate of 20/min with a VT of 750 mL. The
inspiratory time is 1 second. What is the flow? -✓✓45 L/min
• Which of the following can be used by a ventilator as a conditional variable? -
✓✓I. Volume II. Pressure III. Flow IV. Time
• While observing a patient receiving ventilatory support, you notice that all
delivered breaths are initiated or terminated by the machine. Which of
the following modes of ventilatory support is in force? -✓✓Continuous mandatory
ventilation
• A volume-cycled ventilator provides gas under positive pressure during
inspiration until what point? -✓✓A preselected volume of gas is expelled from the
device.
, • During mechanical ventilation, what variable causes a breath to begin? -
✓✓Trigger
• What is the name of a breath where a patient is able to change the inspiratory
time? -✓✓Patient cycled
• A ventilator providing pressure support ventilation to a patient is set to flow
trigger on spontaneous breaths (base flow = 10 L/min; trigger = 3 L/min below
base flow). While at the bedside, you observe that the ventilator trigger rate is
much higher than the patient's spontaneous rate, causing noticeable patient
discomfort. Which of the following could be causing this problem? -✓✓I. Circuit
leaks III. Circuit movement
• During volume-targeted ventilation, which of the following settings determine I:E
ratio? -✓✓I. Volume II. Flow III. Rate
• You observe that a ventilator reaches a preset pressure early in inspiration but
holds it for a specific time, after which inspiration ends. What mode of ventilatory
support is in force? -✓✓Time cycled
• Which of the following are characteristic of a ventilator that functions as a true
volume controller? -✓✓I. Its pressure waveform changes with changes in lung
mechanics.
II. It measures and uses volume to control the volume waveform.
III. Its volume waveform stays constant with changes in lung mechanics.
• If lung compliance decreases while a patient is receiving mechanical ventilation
with pressure-controlled continuous mandatory ventilation (PC-CMV), which of
the following would occur? -✓✓tidal volume decreases
• Full ventilatory support is provided by which of the following modes? -
✓✓Pressure-controlled intermittent mandatory ventilation (PC-IMV) rate 12 with
pressure support (PS)
• Of the following breath descriptions, which one is considered spontaneous?
a. Pressure triggered, pressure limited, time cycled
b. Patient triggered, patient cycled, baseline pressure +5 cm H2O
Questions and Answers | Complete Exam
Prep Resource | A+ Pass Guaranteed
• Spontaneous breath modes include all of the following except: -✓✓continuous
mandatory ventilation assist-control.
• What is the primary physiological effect of positive end-expiratory pressure
(PEEP)? -✓✓Increase the functional residual capacity (FRC). Useful in treating
Refractory Hypoxemia. (when a low Pa02 doesn't respond to high Fi02
• Which of the following is an advantage of intermittent mandatory ventilation
(IMV) over continuous mandatory ventilation (CMV)? -✓✓IMV results in lower
pleural pressures for a given VE.
• Compared to using pressure as the trigger variable, what is the major advantage
of flow-triggering? -✓✓Decreased work of breathing
• Which of the following modes is commonly selected for patients with
neuromuscular disorders? -✓✓VC-IMV
• While observing a patient receiving ventilatory support, you notice that some
delivered breaths are begun or ended by the machine, whereas others are begun
and ended by the patient. Which of the following modes of ventilatory support is in
force? -✓✓Intermittent mandatory ventilation (IMV)
• If the pressure waveform of a ventilator remains the same when a patient's lung
mechanics change, then what is the ventilator? -✓✓Pressure controller
• What parameter serves as the baseline variable on all modern ventilators? -
✓✓Pressure
• Mean airway pressure is highest with what waveform? -✓✓Rectangular pressure
• During pressure-targeted ventilation, which of the following settings determine
VT? -✓✓I. Pressure difference II. Inspiratory time III. Time constant
,• Flow serves as a limit variable whenever a ventilator controls what? -✓✓Flow
• primary parameters used to alter the breath size in pressure controlled? -
✓✓Positive inspiratory pressure (PIP) & positive end-expiratory pressure (PEEP)
• What is the mode of ventilatory support in which patient's inspiratory efforts are
augmented with a set amount of positive airway pressure? -✓✓Pressure support
ventilation (PSV)
• A patient is receiving continuous mandatory ventilation in the control mode at a
rate of 15/min. The inspiratory time is 0.8 second. What is the expiratory time? -
✓✓3.2 seconds
• What is the application of pressure above atmospheric at the airway throughout
expiration during mechanical ventilation? -✓✓Positive end-expiratory pressure
(PEEP)
• During volume control ventilation, the clinician has control over which of the
following? -✓✓II. Volume waveform III. Flow waveform
• During volume-targeted ventilation, which of the following settings determine the
machine-delivered minute volume? -✓✓I. Volume III. Rate
• A patient is receiving continuous mandatory ventilation through a constant flow
generator in the control mode at a rate of 20/min with a VT of 750 mL. The
inspiratory time is 1 second. What is the flow? -✓✓45 L/min
• Which of the following can be used by a ventilator as a conditional variable? -
✓✓I. Volume II. Pressure III. Flow IV. Time
• While observing a patient receiving ventilatory support, you notice that all
delivered breaths are initiated or terminated by the machine. Which of
the following modes of ventilatory support is in force? -✓✓Continuous mandatory
ventilation
• A volume-cycled ventilator provides gas under positive pressure during
inspiration until what point? -✓✓A preselected volume of gas is expelled from the
device.
, • During mechanical ventilation, what variable causes a breath to begin? -
✓✓Trigger
• What is the name of a breath where a patient is able to change the inspiratory
time? -✓✓Patient cycled
• A ventilator providing pressure support ventilation to a patient is set to flow
trigger on spontaneous breaths (base flow = 10 L/min; trigger = 3 L/min below
base flow). While at the bedside, you observe that the ventilator trigger rate is
much higher than the patient's spontaneous rate, causing noticeable patient
discomfort. Which of the following could be causing this problem? -✓✓I. Circuit
leaks III. Circuit movement
• During volume-targeted ventilation, which of the following settings determine I:E
ratio? -✓✓I. Volume II. Flow III. Rate
• You observe that a ventilator reaches a preset pressure early in inspiration but
holds it for a specific time, after which inspiration ends. What mode of ventilatory
support is in force? -✓✓Time cycled
• Which of the following are characteristic of a ventilator that functions as a true
volume controller? -✓✓I. Its pressure waveform changes with changes in lung
mechanics.
II. It measures and uses volume to control the volume waveform.
III. Its volume waveform stays constant with changes in lung mechanics.
• If lung compliance decreases while a patient is receiving mechanical ventilation
with pressure-controlled continuous mandatory ventilation (PC-CMV), which of
the following would occur? -✓✓tidal volume decreases
• Full ventilatory support is provided by which of the following modes? -
✓✓Pressure-controlled intermittent mandatory ventilation (PC-IMV) rate 12 with
pressure support (PS)
• Of the following breath descriptions, which one is considered spontaneous?
a. Pressure triggered, pressure limited, time cycled
b. Patient triggered, patient cycled, baseline pressure +5 cm H2O
