Which of the Following Techniques Can Help to Decrease a Patient's

Which of the following techniques can help to decrease a patient's imposed work of breathing during weaning from ventilatory support?
I.use of pressure-supported ventilation (PSV) II.trigger breath by flow, not pressure
III.application of small amounts of continuous positive airway pressure (CPAP) or positive end-expiratory pressure (PEEP) IV.use of automatic tube compensation (ATC)

A) II and IV
B) I, II, and III
C) III and IV
D) I, II, III, and IV

Correct Answer:

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