Final answer:
Post-traumatic stress disorder (PTSD) is a psychological disturbance lasting more than one month following stresses that would produce anxiety in anyone who experienced them. It is characterized by intrusive and painful memories, negative emotional states, detachment from others, angry outbursts, and avoidance of reminders of the event.
Step-by-step explanation:
Post-traumatic stress disorder (PTSD) is a psychological disturbance lasting more than one month following stresses that would produce anxiety in anyone who experienced them. It is characterized by experiences and behaviors such as intrusive and painful memories of the stressor event, jumpiness, persistent negative emotional states, detachment from others, angry outbursts, and avoidance of reminders of the event. PTSD is commonly seen in individuals who have experienced traumatic events like military combat, physical assaults, or natural disasters.