Read the passage and answer the following questions:

Rajan, a grade XII student, has been aspiring for medicine as a career. He has gone through a lot of challenges on the family- front, like moving into a new house, serious health issues, financial setbacks etc. Suddenly, a week before his entrance examination, he experienced numbness on the left side of his body and within the next few days he was unable to move entirely. He was hospitalized and couldn't appear for the entrance exam. Doctors did not find any physiological anomalies in his medical reports but identified psychological causes of the problem. Later, he recovered and is now pursuing his graduation.

Identify which of the following is a classification system that can be referred to screen Rajan's disorder?

DSM-5

The correct answer is Option (1) → DSM-5

DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th edition) → Standard classification system used to diagnose and classify psychological disorders