<prompt> Which of the following events is most likely to result in post-traumatic stress disorder PTSD?DivorceBankruptcyDiagnosis of diabetes mellitusRobbery at knifepoint  <response>: Robbery at knifepoint, a life-threatening event, is most likely to result in post-traumatic stress disorder PTSD. While life events such as divorce, bankruptcy, illness, and changing residence are stressful, they are rarely life-threatening. Psychological symptoms occurring after such less severe events may result in adjustment disorder, not PTSD. 