Psychiatry The diagnostic feature that differentiates PTSD from other disorders that occur following a stressful incident is: A Episodic occurrence of symptoms B Severe anxiety and autonomic arousal C Re-experiencing and avoidance of trauma D Nightmares about the event 💡 Explanation The diagnostic feature that differentiates PTSD from other disorders that occur following a stressful incident is: ✓ Correct Answer: C. Re-experiencing and avoidance of trauma