A client with a pneumothorax receives a chest tube attached to a Pleur-evac. The nurse notices that the fluid of the second chamber of the Pleur-evac isn't bubbling. Which nursing assumption would be most invalid?
a) The tubing from the client to the chamber is blocked.
b) There is a leak somewhere in the tubing system.
c) The client's affected lung has reexpanded.
d) The tubing needs to be cleared of fluid.
Answer: b) There is a leak somewhere in the tubing system.
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Fill in the blank(s) with the appropriate word(s).