In the past ten years, there has been increasing recognition that children who have been exposed to traumatic events can develop post-traumatic stress disorder (PTSD). Lisa is a 10 year old who appeared to be developing normally and is now complaining of stomachaches, having difficulty with schoolwork and completing tasks, appears tired throughout the day, hears a voice at night calling her name, and has become oppositional at home. Her physical exam is normal. What symptoms might she be having that might suggest PTSD? List two questions you might ask that would help you with the diagnosis. Are children different than adults with their presentation of PTSD?