What is the primary symptom of obsessive-compulsive disorder (OCD)?

A. Persistent delusions
B. Excessive worry
C. Recurrent, unwanted thoughts and repetitive behaviors
D. Extreme mood swings

Answer: Recurrent, unwanted thoughts and repetitive behaviors


Additional Information: Obsessive-compulsive disorder (OCD) is characterized by recurrent, intrusive thoughts (obsessions) and repetitive behaviors (compulsions) aimed at reducing distress.


Subjects: Psychology