The Nursing Student Asks the Nurse About Nurse-Initiated and Physician-Initiated

The nursing student asks the nurse about nurse-initiated and physician-initiated interventions. Which of the following is a physician-initiated intervention?

A) Teach client how to transfer from bed to chair and chair to bed.
B) Administer oxygen 4 L/min per nasal cannula.
C) Assist the client with coughing and deep breathing every hour.
D) Monitor intake and output every 2 hours.