[Solved] Which of the following is most characteristic of anxiety disorders? A) Feelings of isolation or not belonging B) Extreme fatigue C) Persistent feelings of threat and worry D) Persistent feelings of sadness and despair Regulate: The act of controlling or maintaining the rate or speed of a process or system, often to achieve stability or to meet certain criteria. Adjusting: Adjusting entails modifying or altering behaviors, strategies, or attitudes to better fit new conditions or to achieve a desired outcome. Kindergarten: A preschool educational approach that emphasizes play, physical activity, creativity, and socialization to foster children's growth and development. Psychosexual Feelings: Emotions and attachments related to the erotic desire and experiences as conceptualized in psychoanalytic theory.