The Nurse Is Caring for a Patient with a Chest

The nurse is caring for a patient with a chest tube connected to wall suction.To keep the tube patent,the nurse should implement which of the following?

A) Routinely "milk" the drainage tubing.
B) Avoid dependent loops of the drainage tubing.
C) Lift and clear the tube every 15 minutes.
D) Coil the drainage tubing to prevent dependent loops.