Which of these patient behaviors is a classic symptom of depression?

A) Profound sadness
B) Rapid speech
C) Obsession with exercising
D) Anxiety about entering the health-care system
E) Sleeping soundly at night

Depression

A mental health disorder characterized by persistent feelings of sadness, loss, or anger that interfere with daily functioning.

Classic Symptom

A classic symptom is a typical or characteristic sign of a condition, disease, or infection that is often cited in diagnostics.

Profound Sadness

A deep and overwhelming sense of despair or unhappiness.