and Answers (2026) | Latest Test Bank with
Verified Solutions | Grade A+
• Describe in detail negative pressure ventilation (NPV) -✓✓decrease Ppl (pleural
pressure) during inspiration by exposing the chest to subatmospheric pressure.
"box surrounding the lungs/enclosed form"
• In which of the following types of ventilation is alveolar expansion during
inspiration due to an increase in alveolar pressure? -✓✓Positive-pressure
ventilation
• On what does volume delivered depend during pressure-targeted modes of
ventilatory support? -✓✓I. Set pressure limit II. Patient lung mechanics III. Patient
effort
• For patients with respiratory insufficiency, pressure-supported ventilation (PSV)
has all of the following advantages over spontaneous breathing except: -
✓✓Increased muscle activity
• Which of the following statements are TRUE about negative-pressure ventilation
(NPV)? -✓✓I. NPV is similar to spontaneous breathing. II. Airway (mouth)
pressure during NPV is zero. III. Expiration during NPV is by passive recoil.
IV.NPV decreases pressure at the body surface.
• Which of the following variables determine the level of support achieved with
adaptive support ventilation? -✓✓I. Patient effort III. Resistance of the
endotracheal tube
• Inspection of the airway pressure waveform of a patient receiving volume-
controlled continuous mandatory ventilation assist-control with constant flow
reveals a large dip or drop in pressure at the beginning of inspiration. Which of the
following problems is most likely? -✓✓The trigger setting is improper.
• Which of the following parameters are set when volume-supported ventilation
(VSV) is used? -✓✓I. Tidal volume II. Maximum peak pressure III. Positive end-
expiratory pressure (PEEP) IV. Flow
, • The magnitude of WOBpt depends on which of the following? -✓✓I. Compliance
II. Resistance III. Ventilatory drive IV. Trigger sensitivity V. Peak flow
• Hyperventilation should generally be avoided during mechanical ventilatory
support. Exceptions to this rule include: -✓✓II. failure of other methods to reduce
intracranial pressure.
• Which of the following is considered a normal spontaneous tidal volume? -✓✓5
to 7 ml/kg
• Which of the following is the best explanation for the decreased levels of atrial
natriuretic hormone commonly observed among patients receiving positive-
pressure ventilation? -✓✓Decreased right atrial transmural pressure
• A patient receiving long-term positive-pressure ventilation support exhibits a
progressive weight gain and a reduction in the hematocrit. W hich of the following
is the most likely cause of this problem? -✓✓Water retention
• Which of the following is the recommended tidal volume for mechanical
ventilation in acute respiratory failure? -✓✓4 to 8 ml/kg
• Which level of plateau pressure increases the likelihood of causing lung injury? -
✓✓> 30 cm H2O
• Which of the following variables determine the level of support achieved with
proportional assist ventilation? -✓✓I. Patient effort II. Elastance III. Resistance
• Which of the following is a benefit of high inspiratory flows during positive-
pressure ventilation? -✓✓Reduced air trapping
• Which of the following variables determine the level of support achieved with
adaptive support ventilation? -✓✓I. Patient effort III. Time constant
• Which of the following modes of ventilatory support is used to help decrease
airway and alveolar pressures? -✓✓Pressure-controlled continuous mandatory
ventilation