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CEN Practice Exam (Certified Emergency Nurse)

Category - Respiratory

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What sign would indicate that a patient with a blunt injury to the chest has developed a pneumothorax?

A sucking sound at the site of injury
Diminished breath sounds
A low respiratory rate
Presence of a barrel chest

Explanation

Answer: B - Diminished breath sounds would indicate a pneumothorax. Other symptoms might be shortness of breath and chest pain. If it is a large pneumothorax, the nurse may see tachypnea, cyanosis and subcutaneous emphysema.

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