Lung Step 16 Part 3 Pneumothorax 1. T or F: Absence of lung sliding always means pneumothorax* A. True B. False 2. What structures must you identify first before calling a structure the pleural line?* A. Ribs and rib shadows B. Chest wall C. Lung parenchyma 3. On M-mode imaging, what sign do you see when lung sliding is present?* A. Water sign B. Pneumothorax sign C. Seashore sign D. Sand Stone sign 4. Which of the following can make errors in diagnosis when using M-mode to evaluate for lung sliding?* A. Motion artifact from operator’s hand moving B. Motion artifact from patient moving C. Motion artifact from high frequency oscillatory ventilation D. All of the above 5. T or F: Absence of lung sliding means a chest tube must be placed for suspected pneumothorax.* A. True B. False
