Registered Practical Nurse (RPN) Practice Test

Which disorder is characterized by a chronic depressed mood lasting for at least two years, with accompanying low energy and insomnia?

1. Major depressive disorder

2. Dysthymic disorder

3. Bipolar disorder

4. Psychotic depression

The correct answer is: Dysthymic disorder

The disorder characterized by a chronic depressed mood lasting for at least two years, along with low energy and insomnia, is known as dysthymic disorder, which is better referred to as persistent depressive disorder in current terminology. This condition is characterized by a steady state of depression that is less severe than major depressive disorder, yet persistent over time, leading to significant impairment in daily functioning. Individuals with dysthymic disorder typically report a long history of depressive symptoms, which can include low self-esteem, hopelessness, and lack of motivation. The duration of symptoms is a critical factor in identifying this disorder, as the two-year timeline is essential to distinguish it from other types of depressive disorders, such as major depressive disorder, where episodes may be more acute and severely debilitating but do not last as long chronically. While the other disorders mentioned can feature depressive symptoms, they do not fit the specific criteria outlined in the question. Major depressive disorder involves episodes of depression that can be more intense but are not exclusively chronic like dysthymia. Bipolar disorder includes episodes of mania or hypomania alongside depressive episodes, which does not align with the chronic nature of the described condition. Psychotic depression involves psychotic features such as hallucinations or delusions,