What are the functions of a chest tube in a patient with chest trauma that causes bleeding and pneumothorax?
1. To measure the rate of bleeding
2. To improve ventilation
3. To allow lung reexpansion
4. To allow for application of bleeding control medication
a. 1 and 4 only
b. 2 and 3 only
c. 4 only
d. 1, 2, and 3 only
ANS: D
The chest tube is multifunctional to allow measurement of the rate of bleeding, to allow the lung to be pulled to the parietal pleural surface to tamponade bleeding, and to allow maximum venti-lation.
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