The Nurse Is Working on a Respiratory Care Unit in the Hospital.On

The nurse is working on a respiratory care unit in the hospital.On entering the room of a patient with emphysema,the nurse notes that the patient is experiencing respiratory distress.Which of the following actions should the nurse take?

A) Instruct the patient to breathe rapidly.
B) Provide oxygen at 2 L per minute via nasal cannula.
C) Immediately place the patient in the supine position.
D) Contact the physician.