A nurse is educating a patient in anticipation of a procedure that will require a water-sealed chest drainage system. What should the nurse tell the patient and the family that this drainage system is used for?
A) Maintaining positive chest-wall pressure
B) Monitoring pleural fluid osmolarity
C) Providing positive intrathoracic pressure
D) Removing excess air and fluid
Ans: D
Feedback:
Chest tubes and closed drainage systems are used to re-expand the lung involved and to remove excess air, fluid, and blood. They are not used to maintain positive chest-wall pressure, monitor pleural fluid, or provide positive intrathoracic pressure.
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