A nurse is teaching a client who has obstructive sleep apnea (OSA) about continuous positive airway pressure (CPAP). Which of the following instructions should the nurse include?

The CPAP device delivers less pressure during exhalation than inhalation.

The CPAP device should be placed over the nose.

The CPAP device should fit loosely on the face.

The CPAP device requires an invasive ventilation tube.