Licensed Clinical Social Worker (LCSW) Therapist Development Center Practice Exam

A 24-year-old woman has experienced depressed mood for the past 2-3 years with low energy and difficulty concentrating. What is her most likely diagnosis?

1. Dysthymic Disorder

2. Major Depressive Disorder

3. Adjustment Disorder

4. Bipolar Disorder

The correct answer is: Dysthymic Disorder

The most likely diagnosis for this 24-year-old woman is Dysthymic Disorder, which is characterized by a chronic, low-grade form of depression that lasts for at least two years in adults. In this case, the symptoms of depressed mood, low energy, and difficulty concentrating have been present for 2-3 years, which aligns with the diagnostic criteria for Dysthymic Disorder. Dysthymic Disorder, now referred to as Persistent Depressive Disorder in the DSM-5, is characterized by a depressed mood most of the day for more days than not, along with additional symptoms such as low energy and difficulty in concentration, which this individual exhibits. While Major Depressive Disorder is characterized by a more severe episode of depression that can occur over a shorter period, it typically requires additional symptoms and generally lasts for a minimum of two weeks. Adjustment Disorder is triggered by a specific stressor and does not meet the duration seen in this case. Bipolar Disorder would involve episodes of both depression and mania or hypomania, which is not indicated in this scenario. Hence, the chronic aspect and duration of her symptoms steer the diagnosis towards Dysthymic Disorder.