<prompt> A person washes hands repeatedly with a fear of getting HIV, he is suffering fromPhobic disorderObsessive-compulsive disorderDissriative and conversion disorderSomatoform disorder  <response>: B Obsessive-compulsive disorder OBSESSIVE-COMPULSIVE DISORDER: Washers: This is commonest type. Here the obsession is of contamination with dirt, germs, body excretions and the like. The compulsion is washing of hands or the whole body, repeatedly many times a day. It usually spreads on to washing of clothes, washing of bathroom, bedroom, door knobs and personal articles gradually. 