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