Unlike the United States, health insurance in Great Britain is NOT tied to employment

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.

Which of the following is NOT a limitation of radiographs in the evaluation of periodontal disease?

a. They record an exaggerated assessment of actual clinical involvement of the disease. b. They provide a two-dimensional representation of three-dimensional structures. c. Changes in soft tissue are not recorded. d. They cannot distinguish between treated versus untreated disease.