Which of the Following Modes of Mechanical Ventilation Would Provide

Multiple Choice

Which of the following modes of mechanical ventilation would provide an augmentation to a spontaneously breathing patient with weakened respiratory musculature such as in Guillain-Barré syndrome?

A) Negative-pressure ventilator
B) Positive-pressure ventilator
C) High-frequency oscillatory ventilation
D) Bilevel positive airway pressure ventilation