question 2: a patient is brought in by ems to the emergency department (ed) after being involved in a motor vehicle crash. he has crushing injuries to the chest and abdomen, a head injury and multiple fractured extremities. a chest x-ray reveals a pneumothorax and a chest tube is placed. the ed nurse is assessing the site and drainage and sees signs of an air leak. she notifies the provider to come assess. what would the ed nurse expect to see if this is true?