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
Fixation of anal phase of Psychosexual stage of development can lead to 
Select and explain. 
A. Anxiety disorders, B. Depression, C. Obsessive compulsive disorder, D. Schizophrenia
C: Obsessive compulsive disorder
Answer: C: Obsessive compulsive disorder 
Explanation: Anal phase (1.5-3 years) child derives pleasure by holding and releasing faeces.
Arrest or fixation of this stage can lead to obsessive compulsive disorder in future.