Read the passage given below carefully and answer the questions that follow :-

Major Chandra, an infantry soldier, was posted in the border area with his unit. One day, an informer gave a message that terrorists have entered in a school and are threating to blow it, if some of their terrorist prisoners are not released. The major entered the school premises along with other soldiers, but was shocked to see the terrorists armed with the latest weapons. Soon the firing started, as the terrorists had an advantageous position so they immediately shot down a few soldiers without caring for their life. Major Chandra entered the school and started firing which led to killing of the terrorists and he got badly injured. Though the Major has recovered, still he gets flashback and recurring nightmares.

Identify the major disorder under which post traumatic stress disorder is categorized:

Trauma and Stress Related Disorders

The correct answer is Option (4) → Trauma and Stress Related Disorders

Trauma- and Stressor-Related Disorders : Very often people who have been caught in a natural disaster (such as tsunami) or have been victims of bomb blasts by terrorists, or been in a serious accident or in a war-related situation, experience post-traumatic stress disorder (PTSD). PTSD symptoms vary widely but may include recurrent dreams, flashbacks, impaired concentration, and emotional numbing. Adjustment Disorders and Acute Stress Disorder are also included under this category.