True about obsessive compulsive disorder is/are :

A i.e. Irresistible desire to do a thing repeatedly; C i.e. Denial is the defence mechanism against OCP; B i.e. Patient is conscious about the disorder An idea intrudes into Conscious awareness repeatedly. 4' - Recognized as one's own idea but is Ego-alien (Foreign to one's personality) Q. - Recognized as irrational & absurd (insight is present)Q. - Patient tries to resist against but unable to do soQ. Failure to resist leads to marked distress.