A nurse is assessing a client who has post-traumatic stress disorder. Which of the following findings should the nurse expect? (Select all that apply.)

A. Difficulty sleeping is a common symptom of post-traumatic stress disorder (PTSD) due to hyperarousal and intrusive thoughts related to the trauma. B. Talking excessively is not a typical symptom of PTSD. Instead, clients may exhibit avoidance behaviors or a tendency to become emotionally detached. C. PTSD is often associated with negative self-beliefs, such as feelings of worthlessness or guilt, which are a direct result of the trauma. D. While some individuals with PTSD may externalize blame, the hallmark symptom is persistent negative beliefs about oneself, rather than blame directed outward. E. Difficulty concentrating is a common symptom of PTSD, often due to hypervigilance or intrusive thoughts about the traumatic event.