<prompt> Repetitive hand washing is a symptom of:Post-traumatic stress disorderDepressionAnorexia nervosaObsessive compulsive disorder  <response>: Ans. D. Obsessive compulsive disorderRepetitive hand washing is a feature of OCD.Persistent and recurrent thought or emotion that cannot be eliminated from consciousness by reasoning.Insight is present.Disorder of content of thought.Involuntary. 