Firefighters should always check that section valves are in the ____________ when sprinkler water flow and pressure is inadequate during sprinkler operation

There are three major approaches to treating leukemia, depending on the severity and phase of the disease. These include all of the following EXCEPT _________

a. partial lung removal b. bone marrow transplantation c. radiation d. chemotherapy

A respiratory therapist notices an increasing high-pitched noise coming from the upper airway of a child receiving 30% oxygen by heated aerosol. Which of the following would be most appropriate for further evaluation?

A. CT scan of the upper airway B. bedside pulmonary function test with flow volume loop C. MRI of the upper airway D. lateral neck radiograph