[Solved] ____ is a well-defined radiopacity that is seen below the apex of a nonvital tooth with a history of a long-standing pulpitis. A) Condensing osteitis B) Periodontal abscess C) Sclerotic bone D) Periapical abscess Post-Traumatic Stress Disorder: A mental health condition triggered by experiencing or witnessing a terrifying event, characterized by flashbacks, nightmares, and severe anxiety. Generalised Anxiety Disorder: A mental health condition marked by persistent and excessive worry about various aspects of life, often to the point of interference with daily activities. Conversion Disorder: A psychological disorder characterized by symptoms such as blindness, paralysis, or other issues related to the nervous system that medical assessments cannot account for. Panic Disorder: A mental health condition characterized by sudden and repeated episodes of intense fear accompanied by physical symptoms such as chest pain, heart palpitations, dizziness, or abdominal distress.