This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
A 35 year old man with an obsessive compulsive personality disorder is likely to exhibit all of the following features, except 
Select and explain. 
A. Perfectionism interfering with performance, B. Compulsive checking behaviour, C. Preoccupation with rule, D. Indecisiveness
D: Indecisiveness
Answer: D: Indecisiveness 
Explanation: D i.e. Indecisiveness Diagnosis & Treatment In Psychiatry p-351-365; Shoer Oxford Textbook of Psychiatry 5/e p. 196-201; Neeraj Ahuja: A Sho textbook of psychiatry 6/e P.101-1051 Ambivalence i.e. severe inability to decide for or against (indecisiveness) is Bleur's fundamental symptom of schizophrenia. Presenting symptoms of obsessive compulsive disorder (OCD) - Persons with OCD are stubborn, rigid, overconscious, scrupulous & inflexible about matters of morality & ethics (not indecisive)Q. Person is preoccupied with rules Q, details, list, order-organization or schedules to the extent that the major point of activity is lost. - Shows perfection that interferes with task completion Q. eg. unable to complete project because his/her own ovely strict standards are not met. Is excessively devoted to work and productivity to the exclusion of leisure activities & friendships. Is reluctant to delegate task or work to others. Adopts a miserly spending style.