Postraumatic Stress Disorder (PTSD)

Postraumatic Stress Disorder (PTSD) 
Instructions 
1-Based on the most current version of the DSM, what are the diagnosing criteria for
posttraumatic stress disorder (PTSD)?
2-Explain what determines whether someone exposed to a traumatic event will or will not
develop posttraumatic stress disorder (PTSD).
3-Provide two examples of real-life events that may contribute to someone experiencing PTSD.
4-Discuss insulating factors that might lead someone exposed to traumatic events not to develop
PTSD.