When the Nurse Assesses That the Level of Drainage Has

When the nurse assesses that the level of drainage has not increased over the last 3 hours on a first-day postoperative thoracotomy patient,the nurse should initially:

A) inform the charge nurse.
B) rearrange tubing to correct dependent loops.
C) splint the patient with a pillow and coach to cough.
D) gently massage the tube toward the collection bottle.