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: Unknown
Blood of 45 yrs old male shows increased HVA. This patient is most likely to show - 
Select and explain. 
A. PCC, B. Schizophrenia, C. Depression, D. Parkinson's disease
B: Schizophrenia
Answer: B: Schizophrenia 
Explanation: Ans- B Schizophrenia Increased levels of HVA are found in the schizophrenia but this does not have any clinical utility. It is a research-based parameter based on the fact that schizophrenia is an illness caused by Hyperdopaminergic state. HVA is a metabolite of dopamine higher levels are found in CSF and plasma.