How Does Expiration Take Place After a Positive-Pressure Breath During

How does expiration take place after a positive-pressure breath during an IPPB treatment?

A) The elastic recoil of the lungs and thorax allows the patient to exhale
B) The sensitivity is set to allow the ventilator to be 'sensitive' to the patient when exhalation is started
C) The expiratory timer is set to limit the amount of time inspiration takes place
D) The flow rate through the Venturi is cut off cycling the ventilator into expiration

Correct Answer:

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