Which of the following defense mechanisms are seen in obsessive compulsive disorder
 i) Reaction formation 
 ii) Undoing 
 iii) Dissociation 
 iv) Isolation of affect
Reaction formation, Undoing, Isolational affect, Displacement and Inhibition are the defense mechanisms associated with obsessive compulsive disorder.
Dissociation is seen with Dissociative disorders.
All are present
I, II, & III are present
I, II & IV are present
II & IV are present