A Patient Receiving Mechanical Ventilation Via Pressure-Regulated Volume Control (PRVC)has

Multiple Choice

A patient receiving mechanical ventilation via pressure-regulated volume control (PRVC) has a set target volume of 500 mL with an upper pressure limit setting of 35 cm H₂O.During the respiratory therapist's first patient ventilator system check,25 cm H₂O was needed to deliver the set volume.Several hours later the pressure to deliver the set volume is 15 cm H₂O.The respiratory therapist should do which of the following?

A) Switch the patient to pressure support ventilation (PSV) .
B) No action should be taken.
C) The set volume should be reduced.
D) The upper pressure limit should be reduced.