1. What is a mental health disorder?
A clinically significant disturbance in an individual's cognition, emotional regulation, or behavior, associated with distress or impairment in functioning.
Explication
A mental health disorder is defined as a clinically significant disturbance in cognition, emotional regulation, or behavior, which is associated with distress or impairment in functioning. The other options describe temporary feelings, physical injuries, or personality traits, which are not the standard definitions of mental health disorders.