A Patient Who Is Restricted to Bed Rest Asks the Nurse

A patient who is restricted to bed rest asks the nurse the purpose of the deep breathing exercises. Which reply by the nurse is correct?

A) Deep breathing enhances ciliary activity and promotes bronchial clearance.
B) Deep breathing stretches the alveoli and stimulates the production of surfactant.
C) Deep breathing increases the diaphragmatic strength improving respiratory effort.
D) Deep breathing stimulates the Hering-Breuer reflex to increase respiratory rate.