Trauma Nurse Core Course (TNCC) Practice Exam 2025 - Free Practice Questions and Study Guide

The signs of respiratory distress in a trauma patient are characterized by increased respiratory rate, the use of accessory muscles for breathing, and cyanosis. An increased respiratory rate indicates that the body is trying to compensate for inadequate oxygenation or increased carbon dioxide levels. When patients are in respiratory distress, they may also engage accessory muscles, such as those in the neck and shoulders, to help draw air into the lungs more effectively, as the primary respiratory muscles may not be sufficient.

Cyanosis, a bluish discoloration of the skin, particularly around the lips and extremities, indicates a lack of adequate oxygenation in the blood, suggesting that the patient is not effectively breathing or that their lungs are not permitting proper gas exchange. This combination of symptoms is critical in identifying and addressing respiratory distress quickly, which is essential in trauma care settings where timely intervention can significantly impact patient outcomes.