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
Which of the following is a Cluster B personality disorder? 
Select and explain. 
A. Schiziod personality disorder, B. Narcissistic personality disorder, C. Dependant personality disorder, D. Anantastic personality disorder
B: Narcissistic personality disorder
Answer: B: Narcissistic personality disorder 
Explanation: Narcissistic personality disorder is a cluster B personality disorder.
Schiziod personality disorder is a cluster A personality disorder.
Dependant & Anankastic personality disorders are cluster C personality disorder.