NCLEX Practice Quiz: Identifying Signs of Pneumothorax in a Client with Chest Injuries NCLEX Practice Quiz: Identifying Signs of Pneumothorax in a Client with Chest Injuries A client who has sustained crushing chest injuries in a car accident is brought to the emergency department. Which of the following signs could potentially suggest the presence of a pneumothorax?* 1. Diminished or absent breath sounds on the affected side. 2. Decreased sensation on the affected side. 3. Increased fremitus. 4. Cheyne-Stokes respirations. Δ