A nurse is contributing to the plan of care for a client who has a chest tube set to continuous suction to relieve a pneumothorax. Which of the following interventions should the nurse include?
a. Ensure the device is kept below the level of the client's chest.
b. Clamp the chest tube every 4 hr.
c. Place the client in a supine position.
d. Empty the collection chamber every 8 hr.