A Goal of Treatment for Patients Who Have Experienced Major

A goal of treatment for patients who have experienced major depressive disorders is delaying or preventing the next episode.In which of the following situations would this goal be LEAST important?

A) patients who have recovered from a major depressive episode but still have some residual symptoms
B) patients with a past history of chronic depression (dysthymia)
C) patients with a past history of multiple episodes of major depressive disorder
D) patients who have had a single, brief episode of major depressive disorder and recovered without treatment