While counting the respirations of an adult client who is bedfast, the nurse observes that the client uses the sternocleidomastoid, trapezius, and abdominal muscles during respirations. Which action should the nurse take in response to this finding?

Document the client's asymmetrical thoracic movement during inspiration.

Assist the client to a position that helps the client breathe more easily.

Provide the client an incentive spirometer to increase respiratory effort.

Encourage the client to continue to breathe deeply to expand the lungs.