You have applied a nonporous dressing to a puncture wound on a patient's chest. An OEC candidate asks you why the dressing was taped only on three sides. Your best response is that taping the dressing on three sides:
a. permits oxygen to enter the lungs.
b. allows trapped air to escape upon exhalation.
c. is less painful for the patient.
d. decreases the chances that air will enter the chest upon exhalation.
Answer: b
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