Jen is a 31-year-old female who presents for care complaining of depressed mood. During the interview it becomes apparent that she has a long history of depressive symptoms, as well as a long history of being socially isolated and feeling generally inadequate. When considering a diagnosis of persistent depressive disorder, the PMHNP considers that the core concept of persistent depressive disorder refers to subaffective or subclinical depressive disorder with all of the following except: A. Low-grade chronicity for at least 2 years   B. Insidious onset, usually in childhood or adolescence C. Strong family history of depression and bipolar disorder  D. Long asymptomatic periods between episodes   --- YouTube: https://www.youtube.com/watch?v=z-OTtAp0kHs&list=PLf0PFEPBXfq5HGfNV-GbOlYHtDwd35OeG&index=8