A nurse is assisting with the care of four clients. Which client requires the nurse to contact the primary health care provider? A. A client with emphysema scheduled to begin pulmonary rehabilitation. B. A client with right-sided heart failure who has 2+ bilateral edema in the legs and feet. C. A client with a pleural effusion who has stabbing chest pain. D. A client experiencing tracheal deviation following a subclavian catheter insertion.