A patient has a water-sealed chest drainage system following thoracic surgery. The nurse should instruct the patient and the family that this drainage system is used to:
A) Maintain positive chest wall pressure
B) Monitor pleural fluid
C) Provide positive intrathoracic pressure
D) Re-expand the lung and remove excess air and fluid
Ans: D
Feedback: Chest tubes and closed drainage systems are to re-expand the lung involved and to remove excess air, fluid, and blood.
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