Which of the following is a type of anxiety disorder characterized by persistent and unwanted obsessions or compulsions that result in senseless and time-consuming rituals?

Obsessive-compulsive disorder (OCD) involves persistent, unwanted obsessions—intrusive thoughts or urges—and/or compulsions, repetitive behaviors performed to reduce distress. These compulsions can become senseless and take up a great deal of time, matching the description. Generalized anxiety disorder involves ongoing worry, while panic disorder involves recurrent panic attacks; neither is defined by compulsive rituals.

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