Psychiatry Post traumatic stress disorder (PTSD) is differentiated from other disorders by presence of: A Nightmares about events B Autonomic arousal and anxiety C Recall of events and avoidance of similar experiences D Depression 💡 Explanation Post traumatic stress disorder (PTSD) is differentiated from other disorders by presence of: ✓ Correct Answer: C. Recall of events and avoidance of similar experiences