A nurse is planning care for a client who is scheduled for a thoracentesis. Which of the following actions should the nurse plan to take?

A. Coughing during the procedure can cause sudden movement, increasing the risk of lung injury or pneumothorax. B. The client does not need to be NPO for 6 hours; thoracentesis is not a procedure that affects the gastrointestinal system. C. The client should be seated upright, leaning forward over a table, not prone (on the stomach). D. After the procedure, the client should be positioned on the unaffected side to facilitate lung expansion.