A man leaves his apartment to go to the library,and he turns back several times to make sure the door is locked.Frequently,he cleans the apartment even when it is not dirty.The man is likely suffering from:

Question

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The man displays symptoms of obsessive-compulsive disorder (OCD), as he repeatedly checks the door and cleans even when not necessary. OCD is characterized by intrusive and unwanted thoughts or impulses (obsessions) that lead to repetitive behaviors (compulsions) in an attempt to reduce anxiety or prevent harm. A is not correct as there is no indication of excessive or persistent worry, which is characteristic of generalized anxiety disorder. B is not correct as agoraphobia is a fear or avoidance of situations where escape might be difficult, but there is no indication that the man experiences this. D is not correct as there is no evidence of panic attacks, which are characteristic of panic disorder.

A Man Leaves His Apartment to Go to the Library,and