Lung Step 8 Step 8 (1 hour): Self Learning Pre-Tests Take the following pre tests, no minimum score is required to move to next section (5 questions per section) Pneumothorax 1. T or F: Absence of lung sliding always means pneumothorax*A. TrueB. False2. What structures must you identify first before calling a structure the pleural line?*A. Ribs and rib shadowsB. Chest wallC. Lung parenchyma3. On M-mode imaging, what sign do you see when lung sliding is present?*A. Water signB. Pneumothorax signC. Seashore signD. Sand Stone sign4. 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 movingB. Motion artifact from patient movingC. Motion artifact from high frequency oscillatory ventilationD. All of the above5. T or F: Absence of lung sliding means a chest tube must be placed for suspected pneumothorax.*A. TrueB. False