A 20-year-old man is assessed for new onset psychosis. He is observed to have paranoid delusions and occasional auditory hallucinations. On physical examination, the psychiatrist also notices some...

A 20-year-old man is assessed for new onset psychosis. He is observed to have paranoid delusions and occasional auditory hallucinations. On physical examination, the psychiatrist also notices some abnormal movements of the arms and legs. Examination of the eyes reveals some abnormality with the cornea, but the physician is not sure what exactly the problem is. What is the most important next step in the management of this patient? A. Start treatment with antipsychotic medications B. Order a blood test to measure the level of ceruloplasmin C. Order an MRI of the brain D. Order a CT scan of the brain E. Refer the patient to a neurologist