Final answer:
Chad likely suffers from an anxiety disorder characterized by motor tension, hyperactivity, and apprehensive thoughts.
Step-by-step explanation:
If Chad regularly experiences motor tension, hyperactivity, and apprehensive expectations and thoughts, it is likely that he suffers from an anxiety disorder. Anxiety disorders are characterized by persistent feelings of worry and fearfulness that last for months at a time. Some common anxiety disorders include obsessive-compulsive disorder (OCD), panic disorders, posttraumatic stress disorder (PTSD), and phobias.