Identifying Obsessive-Compulsive Disorder

Jamie is a 27-year-old woman who has been struggling with anxiety for several years. She has persistent, unwanted thoughts about harming her loved ones, despite knowing she would never act on them. To cope with these intrusive thoughts, Jamie engages in time-consuming rituals, such as repeatedly checking locks and washing her hands multiple times, believing that this will prevent any harm from occurring. Which of the following disorders best describes Jamie's condition?