OCD criteria require presence of obsessions, compulsions, or both. Which option best reflects this?

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OCD is defined by the presence of obsessions or compulsions, or both. Obsessions are intrusive, distressing thoughts, urges, or images, while compulsions are repetitive behaviors or mental acts aimed at reducing that distress or preventing a feared outcome. The diagnosis hinges on having these symptoms present and causing significant distress or impairment. So, stating that there is presence of obsessions, compulsions, or both best reflects the criteria. The other options don’t fit because OCD is not defined by mood symptoms alone, nor by absence of obsessions/compulsions, and impairment is typically part of the disorder if these symptoms are present.