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 type of Schizophrenia carries the worst prognosis? 
Select and explain. 
A. Catatonic, B. Hebephrenic, C. Paranoid, D. Simple
D: Simple
Answer: D: Simple 
Explanation: Simple Schizophrenia carries the worst prognosis.
It is characterized by presence of only negative symptoms & no positive symptoms. (Presence of negative symptoms always carry bad prognosis)