Which of the following statements is \it \text{true }true about obsessive-compulsive disorder? a. it involves intrusive, unpleasant thoughts and repetitive behaviors. b. it involves persistent, unfocused anxiety. c. it is most often diagnosed during adolescence. d. men are more often diagnosed than women.

A. It involves intrusive, unpleasant thoughts and repetitive behaviors

The correct answer is A. It involves intrusive, unpleasant thoughts and repetitive behaviors.

Explanation:

Obsessive-compulsive disorder refers to a mental disorder that is characterized by the presence of certain routines that a person does repeatedly, known as compulsions or by the presence of certain thoughts  that a person has repeatedly, known as obsessions. The person cannot control the thoughts or routines for a long period. Some examples of compulsions include hand washing or check if a door is locked.

These activities usually affect the person's daily life as well as most adults are aware of the behaviors and they know that they are inappropriate. This condition is mainly related to tics and anxiety disorder. The cause of this condition is unknown.      

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