After a Stab Wound to the Chest, a Client Develops

question 28

Multiple Choice

After a stab wound to the chest, a client develops a pneumothorax and has a chest tube inserted in the emergency room (ER) that is connected to a self-contained underwater-seal drainage system (pleur-evac) . Select the action the ER nurse should take first when she notices that the second chamber has stopped bubbling.

• A)Remove any blockages from the drainage tube.
• B)Tape all connections to eliminate leaks in the system.
• C)Change out the drainage system because the first one is obviously defective.
• D)Increase the suction to 120 mm Hg negative pressure.

---

Definitions:

Independent Variable

A variable that is manipulated in an experiment to see if it causes a change in another variable.

Confounding Variable

A factor other than the independent variable that might produce an effect in an experimental design, thus confounding the results.

Manipulates

Influences or controls someone or something to one's advantage, often with deceit or skill.

Random Assignment

A method used in experiments where participants are allocated to different groups randomly, ensuring that each group is similar at the start of the experiment.