Final answer:
The general term for severe disorders that disrupt daily life by impacting thoughts, emotions, and behaviors is referred to as mental illness.
Step-by-step explanation:
The general term for a disorder that disrupts thoughts, feelings, moods, and behavior to the extent that it interferes with daily life is b. mental illness.
Mental illnesses are a broad range of nervous system disorders that can severely impact a person's ability to think, feel, and interact with others, often hindering their capability to perform routine tasks. These can include conditions such as schizophrenia, major depression, bipolar disorder, anxiety disorders, phobias, post-traumatic stress disorder (PTSD), and obsessive-compulsive disorder (OCD).
The American Psychiatric Association catalogs these in the Diagnostic and Statistical Manual of Mental Disorders (DSM), which outlines the criteria necessary to diagnose these mental health conditions.