The therapist is setting up an INOvent to administer inhaled NO to a neonatal patient. The therapist wants to deliver a concentration of 20 ppm of NO to this patient. What must the therapist do to the INOvent before attaching it to the patient?
A. Disconnect the INOvent from the Y-piece in the inspiratory breathing circuit before turning on the flowmeter.
B. Turn off the following alarms before setting the O2 flow and the injector: loss of gas pressure, calibration required, and delivery system failure.
C. Set an O2 flow of 15 L/minute and squeeze the bag four times to clear residual NO2.
D. Activate the dual channels to control NO delivery and to monitor the INOvent output.