This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Psychiatry
True about Trichotillomania is 
Select and explain. 
A. Irresistible desire to set fire, B. Irresistible desire to steal things, C. Associated with patchy hair loss, D. Pathological gambling
C: Associated with patchy hair loss
Answer: C: Associated with patchy hair loss 
Explanation: (C) Associated with patchy hair loss # TRICHOTILLOMANIA (compulsive hair-pulling)> It is characterized by noticeable hair loss caused by person's persistent and recurrent failure to resists impulses to pull out hair.> There is an intense urge to pull out hair with mounting tension before the act and a sense of relief afterwards.> There is no pre-existent skin lesion or inflammation & hair pulling is not secondary to any delusion or hallucination. Irresistible desire to set fire ... Pyromania Irresistible desire to steal things ... Kleptomania Irresistible desire to pull hair... Trichotillomania Irresistible desire to drink ... Dipsomania Irresistible desire to dress like opposite sex ... Transvestism