The respiratory therapist has been called because the nasal cannula with humidifier delivering 4 L/min is making a high-pitched whistle.The most probable cause of the problem is that the:

Question

Quizplus · Accepted Answer

Humidifier pop-off valves typically provide both an audible alarm and a visible alarm; the humidifier automatically resumes normal operation once the excess pressure is vented.

The Respiratory Therapist Has Been Called Because the Nasal Cannula